HP 5061B Operating And Service Manual Download Page 9

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Summary of Contents for 5061B

Page 1: ...ID D o II Q J OPERATING AND SERVICE MANUAL 50618 Cesium Beam Frequency Standard F iOW HEWLETT PACKARD J 0 U1 o en tll ...

Page 2: ...d on the list drop us a line anyway we may still be able to point you to other sources If you have an existing manual you would like scanned please write for details This can often be done very reasonably in consideration for adding your manual to our library Typically the scans in our manuals are done as follows 1 Typed text pages are typically scanned in black and white at 300 dpi 2 Photo pages ...

Page 3: ...able 1 1 of this manual the warranty shall be for the specified period Hewlett Packard will at its option repair or replace products which prove to be defective during the warranty period provided they are returned to Hewlett Packard and provided the preventive maintenance procedures in this manual are fOllowed Repairs necessitated by misuse of the product are not covered by this warranty NO OTHER...

Page 4: ...erial Numbers 2624A and 2612A Also covered in Section VII is the Series 2612 A2 Battery Charger Assembly Part of Option 003 SERIAL PREFIXES NOT LISTED For Serial Prefixes above 2636A a Manual Updating Changes sheet is included with this manual OPTIONS This manual applies directly to Model 5061B instru ments with Option 003 Time Standard and Standby Power Supply and Option 004 High Performance Beam...

Page 5: ... 11 3 12 3 14 3 16 3 18 3 20 3 23 3 25 3 27 3 29 3 32 3 34 3 36 3 39 3 41 3 42 3 45 3 47 3 51 Introduction 3 1 Controls and Indicators on Front Top and Rear Panels 3 1 Front Panel LED Light Emitting Diode Indications 3 5 Front Panel MODE Switch Functions 3 6 Front Panel CIRCUIT CHECK Switch and Meter 3 6 Turn On Procedures 3 7 Introduction to Turn On 3 7 Initial Turn On Procedure 3 7 C Field Adjus...

Page 6: ... Battery Dropout A3 Multiplier Description Phase Modulator A3 Multiplier Balanced Doubler A3 Multiplier 10 MHz Filter A3 Multiplier 10 to 30 MHz TripIer A3 Multiplier 30 MHz Filter A3 Multiplier 30 To 90 MHz Class C TripIer and Filter A3 Multiplier 5 MHz Isolation Amplifier A3 Multiplier A4 Harmonic Generator Description A5 Digital Divider Description Part of Option 003 A5A1 Multiplier Amplifier A...

Page 7: ... Description 4 36 A18 3500 VDC Power Supply Description 4 37 Power Supply A18 4 37 Ion Pump Current Monitor A15 4 37 A19 2500 VDC POWER SUPPLY 4 37 Power Supply A19 4 37 Electron Multiplier Regulator A15 4 37 V MAINTENANCE 5 1 5 1 Introduction 5 1 5 3 Safety Considerations 5 1 5 5 HP 5061B Assembly Designations 5 1 5 7 Periodic Maintenance 5 2 5 10 Standby Battery Periodic Maintenance Part of Opti...

Page 8: ...ription A8 Phase Detector Operational Check A8 Phase Detector Repair or Replacement Considerations A9 Operational Amplifier Maintenance A9 Operational Amplifier Description A9 Operational Amplifier Check A9 Repair and Replacement Considerations A9 Operational Amplifier Replacement Considerations AlO Oscillator Maintenance A10 Description A10 Oscillator Operational Checks A10 15V Reference Supply C...

Page 9: ...ck 5 36 A14 Integrator Limit Operational Check 5 36 A14 Synthesizer Operational Check 5 36 A14 Logic Assembly Troubleshooting 5 37 A14 Replacement Considerations 5 37 A15 Power Regulator Maintenance 5 37 A15 Power Regulator Description 5 37 A15 Power Regulator Operational Checks 5 37 A15 Power Regulator Replacement Considerations 5 37 A17 Terminal Board Maintenance 5 37 A18 3500 Volt Power Supply ...

Page 10: ...CIRCUIT DIAGRAMS 8 1 8 1 8 3 8 5 Introduction Schematic Diagram Notes and Reference Designations Safety Considerations Appendix A Cesium Beam Tube Vacuum Check Following 8 1 8 1 8 1 HP 5061B Storage A I Appendix B Pumping the Cesium Beam Tube During Storage When Tube is Stored While Removed from the HP 5061B Chassis B 1 LIST OF TABLES Table Page 1 1 Specifications 1 3 1 2 Equipment Supplied 1 6 1 ...

Page 11: ...nufacturer s Code List HP 5061B Instrument Backdating HP 506lE Option 003 Manual Backdating LIST OF FIGURES 1 1 Model 5061B and Accessories 1 2 Frequency of Independently Aligned 5061A Cesium Beam Standards with Option 004 High Performance Tubes 2 1 Power Cable HP Part Numbers versus Mains Plugs Available 2 2 Conversion for Rack Mounting 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14...

Page 12: ...erter 4 15 4 27 An X Octal Code Converter 4 15 4 28 Coder Producing Several Dependencies 4 15 4 29 Coder Producing One Type of Dependency 4 15 4 30 Use of Binary Grouping Symbol 4 16 4 3l Input Labels 4 16 4 32 Factoring Input Labels 4 16 4 33 Placement of Three State Symbols 4 16 4 34 Output Labels 4 17 4 35 Factoring Output Labels 4 17 4 36 Al Synthesizer Simplified Block Diagram 4 18 4 37 Al Sy...

Page 13: ...bly 05061 6157 Part of Option 003 Includes Component Locator 8 19 8 12 A5A2 5 Volt Regulator Schematic Diagram 05061 6155 Part of A5 Digital Divider Assembly 05061 6157 Part of Option 003 Includes Component Locator 8 21 8 13 A5A3 1 PPS and Delay Generator Schematic Diagram 05061 6153 Part of A5 Digital Divider Assembly 05061 6157 Part of Option 003 Includes Component Locator 8 23 8 14 A5A4 Interco...

Page 14: ...ocator 8 43 8 24 A16 Led Display Board 05061 6179 Schematic Diagram Part of Standard HP 506IB Includes Component Locator 8 45 8 25 A16 Clock Display Board 05061 6178 Schematic Diagram Part of HP 5061B Option 003 Includes Component Locators 8 47 8 26 A17 Terminal Board Assembly 05061 6188 Includes Component Locator 8 49 8 27 A18 3500 VDC Power Supply 05061 6182 and A19 2500 VDC Power Supply 05061 6...

Page 15: ... I i nt tt sa operating proced ure practice or the like which if not correctly performed or adher ed to could result in damage to or destruc tion of part or all of the product Do not proceed beyond a CAUTION sign until the indicated con ditions are fully understood and met SAFETY INFORMATION IWARNING I Any interruption of the protective grounding conductor inside or outside the instrument or disco...

Page 16: ...N AMPLIFI ER ACCESSOR Y SEE TAB LE 1 3 10638A DEGAUSSER HEWlETT PACI ARD OPERATING POWER ON LO 10638A DEGAU SSER ACCESSORY SEE TABLE 1 3 START CURREN T HI 5061 B ______________ I 5089 A STANDBY POWER SUPPLY ACCESS OR Y SEE TABLE 1 3 DC POWER CONNECTOR AC CESSORY KIT I NCLUDED SEE TABLE 1 2 Scans by ArtekMedia 2011 ...

Page 17: ...a list of recommended test equipment SECTION II INSTALLATION Provides information about initial inspection storage and shipment and electrical power connections SECTION III OPERATION Provides information about operating controls and indicators operating modes including options turn on procedures and in cabinet performance tests SECTION IV THEORY OF OPERATION Provides an overall description of inst...

Page 18: ...r and prevents impurity ions from reaching the electron multiplier 1 2 h HOT WIRE IONIZER Heated tantalum ribbon ionizes cesium atoms which strike it 1 ELECTRON MULTIPLIER Amplifies the elec tron current initiated by a cesium ion striking the first dynode j BEAM CURRENT Current resulting from the action of the hot wire ionizer and electron mul tiplier k ION PUMP Maintains a vacuum in the cesium be...

Page 19: ... 10 3 10 2 10 10 10 102 103 104 105 106 10 3 10 2 10 10 102 103 104 105 106 T SECONDS OF FSET FROM SIGNAL H Notes 1 See definitions page 1 5 6 With degaussing Retrace is less than 2XI0 12 2 See Figure 1 2 without degaussing 3 With 10638A Degausser 7 For values of T S 104 seconds instruments 4 Use 60 second time constant for increased short are not subjected to frequency stability testing on a term...

Page 20: ...d instrument s and 25 kg 55 lbs for Option 004 instrument s shipping weight ACCESSORIES FURNISHED Power Cord 180 cm 6 ft detachable Accessory Kit HP 05061 6070 includes two extender boards test cables maintenance tools and a mating connector 1251 0126 for EXT DC input ACCESSORIES AVAILABLE EXT DC cable connects 5061B to 5089A Standby Supply 05089 60101 10638A Degausser for use with Option 004 High...

Page 21: ...ffects of random noise to an insignificant value is implied Frequency changes due to environmental effects must be considered separately Retrace The degree to which a cesium standard will produce the same frequency from one occasion to another after cessation ofpower for periods up to one month without a re alignment This does B not include calibration Intrinsic Reproducibility The intrinsic repro...

Page 22: ...nder 12 pin 05061 6073 90 bend This part number will vary depending on country of destination See Figure 2 1 for additional power cable part numbers that are available 1 6 Table 1 3 Accessories Available Accessory Description HP Part No Standby 22 to 28 Vdc 2 amp sup 5089A Power ply with 15 amp hours Supply standby capacity at 25 C Cable Connects 5061B to the 05089 60101 5089A dc output a Extensio...

Page 23: ... Performance Check Rise Fall Time A 30 ns to 10 ms Time Interval A to B 1 ns to 103 sec Feedthrough 50n male and female BNC Performance Check No Termination2 Troubleshooting Recommendation Spectrum Analyzer Frequency Range 1 kHz to 110 MHz Performance Check HP 141T with Response 0 5 dB Troubleshooting HP 8552B and Sensitivity 130 dBm HP 8553B Scan Width 2 kHz to 100 MHz Stability Residual FM 20 Hz...

Page 24: ...d Low Pass Filter Cutoff Frequency 15 MHz Adjustments HP 10856A Input Impedance 50 Troubleshooting Signal Rejection 20 dB for signals in the 100 500 MHz range Output Impedance for use with 1M instruments Attenuation X2 1 The HP 5334A is recommended as an alternative approach to the 1 PPS parameter check pulse width and rise fall time for the Option 003 It is also useful in the manual synchronizati...

Page 25: ... can be obtained from your local Hewlett Packard office or a local freight transportation company Here is a recommended method for packaging a standard 5061B unit a Wrap the instrument in heavy paper or plastic If shipping the unit to a Hewlett Packard office or service center attach a tag indicating type of service required return address model number and full serial number b Obtain a same size c...

Page 26: ... CONNECTED TO THE PROTECTIVE CONDUCTOR OF THE MAINS POWER CORD THE MAINS PLUG SHALL ONLY BE INSERTED IN A SOCKET OUTLET PROVIDED WITH A PROTECTIVE EARTH CONTACT THE PROTECTIVE ACTION MUST NOT BE NEGATED BY THE USE OF AN EXTENSION CORD POWER CABLE WITHOUT A PROTECTIVE GROUNDING CONDUCTOR 2 19 The HP 5061B is equipped with a detachable ac power cable and a dc power connector which can be used 2 2 to...

Page 27: ...ller strip along bottom edge offront panel d Attach mounting brackets to sides with larger corner notch toward bottom of cabinet See Figure 2 2 The HP 506lB is ready to mount in a standard 19 inch rack j FOOT FOOT RELEASE BUTTON LARGER NOTCH TRIM STRIP ADHESIVE BACKED FILLER STRIP Figure 2 2 Conversion for Rack Mounting Table 2 2 Mating Connectors Connector Connector Mating Connector Mating Connec...

Page 28: ...iates strong magnetic fields oftwo Gauss or more Also avoid placing 2 4 a strong permanent magnet near the beam tube A strong magnetic field can permanently affect the mag netic shielding in the beam tube The front panel C FIELD control can compensate for small magnetic field effects such as the magnetic field of the earth Check the C FIELD adjustment when the HP 5061B is relocated Refer to C FIEL...

Page 29: ...an 5 Vdc c See Table 3 1 for further explanation of LED fun ctions 2 CONTINUO US OPERATION LED Green Nor ma lly on to indicate that circuits are functioning properly a nd the H P 5061B is operating as a prima ry frequency standard See Table 3 1 for further expla na tion of LED functions 3 BATTERY LED Amber lormally off Flashes 4 when HP 5061B is drawing powcr from intcrnal battery Part of the Opti...

Page 30: ...stment Of F 7 14 es OVEN 5MHz ose OVEN ION PUMP I BATTERY CIRCUIT CHfe 6 13 0 C FREQUENCY Controls COARSE control pro vides crystal oscill ator frequency adj ustment of1 part in 106 The method for adj ustment is with a screw driver via the fro nt panel The COARSE control is used to maintain the quartz oscillator within the control range of the HP 5061B circuits The iO l0 Fine control provides adju...

Page 31: ...ifier GAIN Switch Selects HI or LO gain of amplifier See AC AMPLIFIER MAINTENANCE in Section V for more details HP 5061B Operation J _ _ 4 SECONDS RESET 5 SET MINUTES 1 6 SET HOURS 4 Seconds Reset Switch Option 003 only Seconds digits are set to zero See paragraph 3 40 for more details 5 Set Minutes Switch Option 003 only Minutes digits are advanced at a fast rate approximately 5 Hz See paragraph ...

Page 32: ...al amplitude is about 150 mV into 50 Ohms 9 W NINC I _ _ _ _ _ 8 7 7 AC LINE Jack Accepts round female connector on ac power cable supplied with HP 5061B 8 AC LINE Fuse 1 25 ampere fuse HP Part No 2110 0305 for 115 volt power line operation or O B ampere fuse HP Part No 2110 0020 for 230 volt power line operation 9 SELECTOR Switch 115 230 Volt ac power line selector switch Must be set to correct a...

Page 33: ... for adjustments To correct the above faults see Troubleshooting Tables Section V Off Off Press LOGIC RESET switch If CONTINUOUS OPERATION LED remains off one or more of the following troubles are indicated 1 CONTINUOUS OPERATION and or ALARM LED failure 2 Synthesizer AI Assembly circuits 3 AC power fuse is open or loss of ac power On On Indicates the following situation Unit is operating properly...

Page 34: ... 10 Functions and use of the front panel CIRCUIT CHECK switch are listed in Table 3 3 Table 3 3 Operating Checks With CIRCUIT CHECK Switch CIRCUIT CHECK Correct Description Switch Position Meter Indications BATTERY o 35 to 45 with Option 003 Indicates battery voltage SUPPLY 35 45 Indicates 18 7 Volts regulated voltage ION PUMP I 0 15 Indicates pressure in cesium beam tube by monitoring ion pump cu...

Page 35: ...CORD REMOVED FROM THE HP 5061 B PROCE DURES CALLING FOR THE REMOVAL OF INSTRU MENT COVERS SHOULD BE ACCOMPLISHED ONLY BY QUALIFIED TECHNICAL PERSONNEL NOTE When the HP 5061 B is shipped equipped with Option 003 the battery is discharged Approxi mately fifteen hours after connecting the HP 5061 B to an ac power source the automatic internal charging circuits will have fully charged the battery c Ob...

Page 36: ... d Connect the HP 5061B and other units as shown in Figure 3 5 e Set the frequency counter controls for the best resolution to measure the desired frequency of 53 53 kHz If the counter used is the HP 5334A Universal Counter perform the following setup procedure L Press POWER switch to ON position FREQ A and AUTO TRIG LEDs will be on 2 Press AUTO TRIG key LED OFF 3 Press COM A key to SEPARATE posit...

Page 37: ...PER Wait for ALARM LED to go off Push LOGIC RESET button CONTINUO OUS OPERATION LED should light and stay lighted The HP 5061B is now frequency locked to the cesium resonance hyperfine transition fre quency of the cesium atom and is ready for use 3 18 CIRCUIT CHECK Meter Indications 3 19 Set the CIRCUIT CHECK switch to each position and record each reading in the HP 5061B Operating Record This for...

Page 38: ... CUIT CHECK Meter readings will change somewhat They will stabilize within a few days of initial turn on After this initial stabilization period the readings will remain relatively constant The following paragraphs describe the recommended operating procedures for the HP 5061B Table 3 4 lists what operator adjustments need to be made and when to make them a During the first few days of operation c...

Page 39: ...application and individual user requirements 3 34 Automatic Synchronization NOTE Refer to Figure 3 2 to physically locate the switches used in this test 3 35 To have the HP 5061B automatically synchronized and delayed from the reference by 0 to 200 nanoseconds proceed as follows HP 5061B Operation a Open the access door in the HP 5061B top cover b Set the seven thumbwheel switch to 0 0 0 0 0 0 0 c...

Page 40: ...ess READ key once LED ON so that trigger levels are displayed 11 Adjust TRIGGER LEVELISENS controls for 4 8 to 5 2 Volts 12 Adjust GATE TIME setting for preferred sample rate NOTE With the seven 1O posltlon thumbwheel switches set to 000000 0 the counter should read less than or equal to 200 nanoseconds 3 38 Two different examples using the synchronization feature are described here a Example 1 Fi...

Page 41: ...ill indicate the two following conditions a BATTERY LED Amber Flashing when HP 5061B is powered from internal battery supply b BATTERY LED Off when normal charging is taking place 3 43 Initial Charging of Battery 3 44 When the HP 5061B is shipped with Option 003 the battery is discharged When ac power is first applied to the HP 5061B rear panel AC line jack J20 the internal battery charging circui...

Page 42: ...OVERS SHOULD BE ACCOMPLISHED ONLY BY QUALIFIED TECHNICAL PERSONNEL a Disconnect ac power and external dc power supply if connected b Remove HP 5061B bottom cover 3 14 c Momentarily short test points A2TP1 and A2TP2 with a jumper wire Both test point are located on the A2 Battery Charger Assembly NOTE Shorting test pOints A2TP1 and A2TP2 disconnects the internal battery power supply The battery wil...

Page 43: ...The front and rear panel connectors labeled 10 MHz 5 MHz 1MHz and 100 kHz provide output signals at those freq uencies for external use Procedure a Measure the frequencies of the HP 5061B front and rear panel 10 MHz 5 MHz 1 MHz and 100 kHz output connectors Use an electronic counter of known high accuracy The counter should display the correct frequencies associated with each HP 5061B connector 3 ...

Page 44: ... or more below the fundamental 2 OUTPUT SIGNALS NON HARMONIC DISTORTION TEST HP 141T SPECTRUM ANALYZER HP 85528 85538 50 l20d8 PAD r N m TO 8NC f T ADAPTER 1250 0780 I 10MHz 5 MHz 1 MHz 100 kHz B Figure 3 9 Harmonic and Non Harmonic Distortion Test Setup Non harmonic distortion in the 10 MHz 5 MHz 1MHz and 100kHz output signals should be 80 dB or more below the output signals To perform this test ...

Page 45: ...g procedure in paragraph 3 17 Vector Voltmeter Calibration Procedure a Connect the test equipment as shown in Figure 3 10 HP 5061B Operation b Set up the HP 5061B as a reference for normal operation CONTINUOUS OPERATION LED on ALARM LED off c Set Vector Voltmeter FREQ RANGE MHz to correspond to input frequency 5 MHz d Zero the Vector Voltmeter Phase Meter on 6 range with PHASE RANGE ZERO e Set Str...

Page 46: ...eliminates the effects of variations in test point impedance on measurement accuracy An isolator adds no more than 3 pF to probe input capacitance 3 Model 10218A Adaptors converts probe tip to a conventional BNC male RF connector 4 HP K34 59991A may be modified for 50n Input Impedance Figure 3 10 Vector Voltmeter Phase Comparator Calibration Test Setup Accuracy Measurement Procedure Using the HP 8...

Page 47: ...R OR I t PHASECOMPARATORfll 1 ______ CHANNEL A J HP 5061 B UNIT UNDER TEST CESIUM BEAM FREQUENCY STANDARD CHANNEL B _ 10216A ISOLATOR 111 1 10218A ADAPTER 12 5 MHZft r ANC TEE 50l LOAD 1 Model 10216A Isolator Eliminates the effects of variations in test point impedance on meas urement accuracy An isolator adds no more than 3 pF to probe input capacitance 2 Model 10218A BNC Adaptor Converts probe t...

Page 48: ...these conditions I I I I I I STRIP CHART RECORDER OUTPUT 2 x 10 7 sec START 0800 Full Scale Calibration t 1 X 10 7 sec _1600 0 1 2 3 4 5 6 7 8 v t 2 88 X 104 sec Figure 3 12 Error Measurement 4 OUTPUT CLOCK PULSE CHECK OPTION 003 The front panel output labeled 1PPS has the following specifications Rate 1 pulse per second Amplitude 10 Volts peak 10 Width 20 microseconds minimum Rise Time 50 nsec Fa...

Page 49: ...t the FREQ STD switch to EXT b Set HP 5370A B LINE switch to ON and set INPUTS START and STOP controls as follows SLOPE f Attenuators X10 Input resistance 1Mn Coupling DC START COM SEP START COM c Press TRIG LVL key FUNCTION group d Set HP 5370A B INPUTS START and STOP trigger LEVEL controls for a display ofapproximately 0 50 VOLTS e From HP 5061B connect 1PPS output through 50n feedthrough to STA...

Page 50: ...n thumbwheel switches located on the A5 Digital Divider module to 000000 0 e On HP 506lB A5 divider press and hold the SYNC switch Figure 3 2 for one or two seconds The lPPS output will synchronize with the first pulse at the SYNC INPUT after the SYNC button is pressed The HP 5370A B counter should display a reading between 0 and 200 nanoseconds The HP 506lB A5 TIME DELAY thumbwheel switch setting...

Page 51: ...003 CAPACITY CHECK Standby Battery Capacity Test Procedure 13 80msec 14 700 msec 15 800 msec 16 900 msec a Operate the HP 5061B for at least 15 hours This will ensure that the battery has fully recharged prior to test initialization b Disconnect the HP 5061B power cable connector from the ac power source for 45 minutes The HP 5061B BATTERY LED should flash on and off during the entire 45 minute pe...

Page 52: ...imits 1 Harmonic Distortion greater than Greater than 40 dB 40 dB from rated output 2 Non Harmonic Distortion greater Greater than 80 dB than 80 dB from rated output 3 Accuracy Standard Tube 1 x 10 11 1 X 10 11 Option 004 7 X 10 12 7 X 10 12 4 Clock Pulse Option 003 Rate 1 PPS Amplitude 10 V POp 10 Width 20 J Lsec minimum Rise Time less than 50 Dsec Fall Time less than 50 nsec Jitter less than 1 n...

Page 53: ...Limits 1 Harmonic Distortion greater than Greater than 40 dB 40 dB from rated output 2 Non Harmonic Distortion greater Greater than 80 dB than 80 dB from rated output 3 Accuracy Standard Tube 1 x 10 11 1 X 10 11 Option 004 7 x 10 12 7 X 10 12 4 Clock Pulse Option 003 Rate 1 PPS Amplitude 10 V Pop 10 Width 20 j l sec minimum Rise Time less than 50 nsec Fall Time less than 50 nsec Jitter less than 1...

Page 54: ... FREQUENCY 53 53 kHz FRONT PANEL CIRCUIT CHECK SWITCH POSITIONS AND METER READINGS ION OSC CS DATE BATTERY SUPPLY PUMP I OVEN OVEN 5 MHz MULT BEAM I CONTROL 2nd HARM o 35 to 45 with 35 45 20 o may be as Option 003 35 45 0 15 20 45 5 35 no load 35 45 Nominal much as 50 30 50 Changes with ambient temperature Scans by ArtekMedia 2011 ...

Page 55: ... FREQUENCY 53 53 kHz FRONT PANEL CIRCUIT CHECK SWITCH POSITIONS AND METER READINGS ION OSC CS DATE BATTERY SUPPLY PUMP I OVEN OVEN 5 MHz MULT BEAM I CONTROL 2nd HARM o 35 to 45 with 35 45 20 o may be as Option 003 35 45 0 15 20 45 5 35 no load 35 45 Nominal much as 50 30 50 Changes with ambient temperature Scans by Artekmedia 2011 ...

Page 56: ...THIS PAGE LEFT BLANK SCANS By ArtekMedia Scans by ArtekMedia 2011 ...

Page 57: ...in the A4 Harmonic Generator Assembly 4 5 The output ofthe Al Synthesizer Assembly which is also derived from the 5 MHz quartz oscillator output signal is mixed with the multiplied signal in the A4 Harmonic Generator The result of the multiplying and mixing process is a signal at a frequency very close to the Cesium 133 hyperfine transition frequency This finalized microwave field is applied to th...

Page 58: ...ION OF NEW LOGIC SYMBOLS by F A Mann 4 16_ Introduction 4 17 The International Electrotechnical Commission IEC has been developing a very powerful symbolic language that can show the relationship ofeach input of a digital logic circuit to each output without showing explicitly the internal logic At the heart ofthe system is dependency notation which will be explained in a later paragraph 4 18 The ...

Page 59: ...ne used in the lEe system 4 26 Figure 4 3 shows that unless otherwise qualified by dependency notation an input to the common control block is an input to each of the elements below the common control block a b c d COMMON CONTROL BLOCK I a b c d HP 5061B Theory of Operation Figure 4 3 Illustration of Common Control Block 4 27 A common output depending on all elements ofthe array can be shown as th...

Page 60: ...put SN7486 Logic identity All inputs must stand at same state SN74180 2k An even number of inputs must be active SN74180 2k 1 An odd number of inputs must be active 1 The one input must be active SN7404 or J A buffer or element with more than usual output capability symbol is SN74S436 oriented in the direction of signal flow Schmitt trigger element with hysteresis SN74LS18 X V Coder Code Converter...

Page 61: ...ndicated by dependency notation 4 33 The application of internal inputs and outputs requires an understanding of dependency notation which is explained in paragraph 4 42 4 35 SYMBOLS INSIDE THE OUTLINE Table 4 4 shows some symbols used inside the outline Note particularly that open collector open emitter and three state outputs have distinctive symbols Also note that an EN input affects allthe out...

Page 62: ...t is supplemented with a built in passive pull up NPN open emitter or similar output that can supply a relatively low impedance H level when not turned off Requires external pull down Capable of positive logic wired OR connection Passive pull down output is similar to NPN open emitter output but is supplemented with a built in passive pull down Three state output Enable input When at its internal ...

Page 63: ...the affecting or the affected ones e g if they stand in an AND relationship the choice may be made in any convenient way HP 5061B TheorY of Operation 4 44 So far 11 types of dependency have been defined and 10 of these are used in the Texas Instruments data book They are listed below in the orderin which they are presented and are summarized in Table 4 5 Table 4 5 Types of Dependency Notation Para...

Page 64: ...bers at the affected inputs or outputs See Figure 4 5 4 52 If two affecting inputs or outputs have the same letter and sameidentifying number they stand in an OR relationship to each other See Figure 4 8 a tGl b G1 c 1 Figure 4 8 OR ed Affecting Inputs 4 8 4 53 If the affected input or output requires a label to denote its function e g D this label will be prefixed by the identifying number of the...

Page 65: ... output will be same as the internal logic state of the Zm input or output unless modified by additional dependency notation See Figure 4 12 NOTE Paragraphs 4 63 to 4 66 and Figure 4 13 are not taken from Texas Instruments publications 4 63_ X TRANSMISSION DEPENDENCY The sym bol X denotes transmission dependency 4 64 When an Xm input or an Xm output stands at its internal 1 state all input output ...

Page 66: ...ting reset dependency is the letter R 4 71 Set and reset dependencies are used if it is necessary to specify the effect ofthe combination R S l 4 10 on a bistable element Case 1 in Figure 4 15 does not use S or R dependency 4 72 When an Sm input is at its internal 1state outputs affected by the Sm input will react regardless of the state of an R input as they normally would react to the combinatio...

Page 67: ...nputs affected by this Mm input or Mm output have their normally defined effect on the function ofthe element i e the inputs are enabled 4 84 When an Mm input or Mm output stands at its internal 0 state the inputs affected by this Mm input or Mm output have no effect on the function ofthe element When an affected input has several sets of labels separated by solidi e g C4 2c 3 any set in which the...

Page 68: ... 1 is effective only in modes 2 and 3 In modes 0 and 1 this output stands at its normally defined state as ifit had no labels At output fthe label set has effect when the mode is not 0 so output e is negated if c 1 in modes 1 2 and 3 In mode 0 the label set has no effect so the output stands at its normally defined state In this example 0 4 is equivalent to 112 3 4 At output g there are two label ...

Page 69: ...ssibly simultaneous access to sections of the array then the letter A is modified to lA 2A because they have access to the same sections of the array these sets of A inputs may have the same identifying numbers 4 100 Figure 4 23 is another illustration of the A Address dependency Table 4 6 Summary of Dependency Notation Type of Letter Affecting Input Affecting Input Dependency Symbol At Its 1 Stat...

Page 70: ...held However the output is still postponed until the C input returns to its initial external level 4 104 Notice that synchronous inputs can be readily recognized by their dependency lD 1J 1K 1S 1R compared to the asynchronous inputs S R which are not dependent on the C inputs 4 105 Coders 4 106 The general symbol for a coder or code converter is shown in Figure 4 25 X and Y may be replaced by appr...

Page 71: ... of the symbol for a coder as an embedded symbol See Figure 4 28 4 112 If all affecting inputs produced by a coder are of the same type and their identifying numbers correspond with the numbers shown at the outputs ofthe coder Y in HP 5061B Theory of Operation XIV 1 0 G1 1 G2 2 2 V4 2 3 NS C3 I I Figure 4 28 Coder Producing Several Dependencies the qualifying symbol X Y may be replaced by the lett...

Page 72: ...ect on the function ofthe element the internal logic states of the outputs of the element are not specified by the symbol Ifall inputs ofa sequential element are disabled the content of this element is not changed and the outputs remain at their existing internal logic states 4 119 Input labels may be factored using algebraic techniques See Figure 4 32 Figure 4 32 Factoring Input Labels 4 120 Sequ...

Page 73: ...t 1through 9 because ofthe time required for presetting see Figure 4 37 Since the divider can be set to divide by any predetermined integer the system is considered a divide by n preset divider For example If the divider were to divide by 2 000 an 8 000 would be preset into decade before the counting sequence starts Since an 8 000 count is already in the decade from the preset it will take only 2 ...

Page 74: ...he proper RC time constant for the one shot multivibrator Since the 5 MHz input has a period of 0 2 microseconds C2 is chosen to lock out nine pulses ofthe input waveform See Section V for adjustment procedures 4 139 The jumper wires program the inputs to preset decade ICl IC2 IC5 and IC6 For example ICI input is programmed for a BCD of 1 ICl 4 is highandICl 3 10 11 are low ICI requires positive l...

Page 75: ...d R84 provide AGC dc feedback to the base of Q19 4 148 Transistor Q27 and associated components pro vide a synthesizer failure signal to the A14 Logic assembly During normal synthesizer operation Q27 is biased off and no output signal is available If the synthesizer loses phase lock the input to Q23 becomes a ACIN WAVE CURRENT CLIPPER REGULATOR Q1 U1 HP 5061B Theory of Operation random ac signal c...

Page 76: ... full wave rectifier Q1 also protects power regulator U1 from 4 20 excessive thermal stress by dissipating most of the power in the circuit 4 159 Charge Current Regulator 4 160 U1 a three terminal IC configured as a current regulator supplies 280 rnA of dc current to the battery whenever the voltage at the regulator s input terminal is 3 Volts greater than the battery voltage Since U1 s input volt...

Page 77: ...ow impedance balanced HP 5061B Theory of Operation doubler circuit to the high impedance double tuned 10 MHz filter circuit A double tuned lO MHz filter is formed by C34 R30 L12 C36 L14 and C38 Capacitor C40 provides high impedance coupling between the filter and the lO 30 MHz tripler input 4 177 10 to 30 MHz Tripier CA3 Multiplier 4 178 Transistor Q9 amplifies the filtered lO MHz signal to drive ...

Page 78: ...signal for a front and rear panel output signal and drives the A16 Clock Display The 1PPS output can be synchronized to an external 1 pps signal with selectable time delay difference from the external synchronizing 1 pps 4 193 A5 has four subassemblies A5A1 Multiplier and Amplifier A5A2 Voltage Regulator A5A3 10 MHz to 1 Pulse Per Second Divider and Digital Pulse Delay and the A5A4 Interconnect Th...

Page 79: ...nd ENABLE T Pins 7 and 10 of U11 are always enabled always high Every time the clock pulse occurs that counter changes state The least significant bit in this counter chain is pin 14 of U1I If this point is monitored with an oscilloscope a 5 MHz signal is displayed U11 pin 13 has a 2 5 MHz signal and pin 11 has a 1 MHz signal Pin 15 the ripple carry output ofU11 also has 1 MHz The U11 15 output is...

Page 80: ...mits the gain of transistor Q4 to approximately 4 Q4 and the Cll L10 impedance transforming circuit provides the 10 MHz 1Vrms into a 50 Ohm load sinewave output to the front and rear panel BNC output connectors A 5 MHz notch filter consisting of L9 and C17 filters any unwanted 5 MHz signal component at the base of Q4 to ground Choke L6 provides lB 7 Vdc to the collector ofQ4 while capacitor C21 bl...

Page 81: ...o the Q1 Q2 Q3 amplifier which amplifies the fundamental and second harmonic signals Diodes CR1 and CR2 are forward biased and couple the signal through the stages Negative feedback through R12 R3 or R12 R4 stabilizes the amplifier gain The HI LO GAIN switch A7S1 selects R3 or R4 in the feedback loop and extends the range of the front panel LOOP GAIN control A7R17 This improves the amplifier input...

Page 82: ...nd has very fast rise and fall times Capacitor C7 bypasses R14 to couple fast voltage changes from the collector of Q4 to the base of Q5 Either Q4 or Q5 conducts depending on the input signal When Q5 conducts the negative going transition at its collectoris fed to the Q6 Q7 frequency divider The network composed of C8 CR3 Cll RI9 and R21 allows only negative pulses to be fed to the frequency divid...

Page 83: ...tronically as part of a servo loop or by a potentiometer HP 5061B Theory of Operation 4 246 A10A1 Oscillator Assembly HP Part No 10811 60109 theory of operation is covered by the enclosed 10811A B Operating and Service Manual 4 247 Circuit Board Operation A10 4 248 The 10 MHz output from oscillator assembly AlOA1 passes through a 10 MHz bandpass filter L1 and C5 on power supply assembly A10A3 then...

Page 84: ...path is now through L2 to ground through the load cesium oven heater in this case and back to L2 through CR5 The current flow in L2 drops with time until Q3 is turned on again and the cycle repeats The on time of Q3 controlled by U2 sets the average current through or voltage across the load Increasing the on time increases the load voltage R18 senses the maximum current and feeds it back to U2 4 ...

Page 85: ... output voltage by controlling the on time of QlO A negative voltage is generated at the output P1 7 as in the circuit of U2 because of the shunt inductance configuration of L5 U6 derives its reference from the 16V supply through divider R48 R50 R51 allows U6 to monitor and control the power supply output R49 enables U6 to track the 16V supply in the opposite direction that is if the HP 5061B Theo...

Page 86: ...c is shown in Figure 4 42 Cesium atoms effuse from the oven source and are formed into a beam by collimating slits The beam passes through the nonhomogeneous magnetic field of the first state selector A magnet This magnet selects the desired state atoms for deflection into the interaction cavity Within this cavity the selected atoms of cesium are acted upon by the injected microwave magnetic field...

Page 87: ...n output current varies at the same rate as the modulation When the carrier is below fo see plot fc2 then the output current varies at the modulation rate but is shifted by 180 degrees When the applied microwave signal is matched to the cesium resonant frequency only the second harmonic component of the modulation signal appears in the beam current output When the applied signal is above or below ...

Page 88: ...e CONTINUOUS OPERATION LED is controlled by SCRI through Q23 Transistor Q23 is controlled by the OR gate through Q19 Any high input to the OR gate will switch Q19 on which switches SCRI on which switches Q23 off which switches the CONTINUOUS OPERATION LED off Three inputs are available at the OR gate A high signal at any input will switch the CONTINUOUS OPERA TION LED off 4 295 The 274 Hz second h...

Page 89: ...fted signal is synchronously detected by phase detector Q7 This detectoiis driven by a 137 Hz square wave from the A8 Phase Detector 4 306 Differential amplifier Q9 Q10 is dc balanced so the output signal is low during normal operation Ifthe instrument should drift from the cesium peak or lock to a secondary peak the input to Q9 base will unbalance the amplifier putting a high at Q14 base Normally...

Page 90: ...age being applied to the base emitter junction of Q1 or Q2 4 34 4 315 18 7V Regulator Current Limiter A15 4 316 Transistor Q1 chassis mounted along with Q3 and operational amplifier U4 both located on the A15 circuit board form the voltage regulator portion ofthis circuit The voltage regUlating action of Q1 is controlled by driver Q3 and U4 A lOY reference is supplied by U5 to U4 2 U4 3 senses an ...

Page 91: ...ront panel LED annunciator d 18 7 Volts from A17 Terminal Board to drive ALARM and BATTERY front panel LED annun ciators The 18 7 is also regulated to 5 Vdc and used to power all HCMOS integrated circuits on the A16 Assembly 4 327 Oscillator Divider U14 4 328 U14 generates the 5 Hz FAST FORWARD SIG NAL signal the 40 Hz Sl and S2 SWITCH DEBOUNCE CLOCK signal and the 80 Hz LCD PHASE DRIVE signal for...

Page 92: ... 341 Under normal operating conditions the 1 PPH signal is allowed to pass through the data selector circuitry The signal then enters the hours stage where the signal is again divided The logic control for this stage is designed to reset the hours decade counters on the 24th input pulse 1 PPH rather than on the 60th Consequently the hours tens digit will reset from 2 to 0 and the ones digit will r...

Page 93: ...ontroller and disables A19 the 2500 Vdc power supply This HP 506lB Theory of Operation removes beam tube operating voltages and allows ion pump current to return to normal as indicated by approximately 4V at A15UlB 6 When A15UlB changes state the positive feedback loop A15R5 and A15R7 introduces a hysteresis between the reference voltage and the sense voltage This insures that the comparator latch...

Page 94: ...THIS PAGE LEFT BLANK SCANS By ArtekMedia Scans by ArtekMedia 2011 ...

Page 95: ...PERSONNEL WARNING I WHEN THIS INSTRUMENT IS CONNECTED TO THE POWER MAINS OR POWERED BY A STAND BY POWER SOURCE HP 5061B OPTION 003 OR HP 5089A POWER SUPPLY DANGEROUS VOLT AGES 3500 VDC AND 2500 VDC ARE ALWAYS PRESENT INSIDE THE INSTRUMENT Before connecting power to the HP 5061B ensure the following 1 The rear panel LINE SELECTOR switch setting matches the available line voltage 2 The correct line ...

Page 96: ...al aging of the electron multiplier within the cesium beam tube When the meter indication in the 2ND HARMONIC position decreases to 30 or increases to 50 adjust the front panel BEAM I ADJUST as follows a Set HP 5061B controls as listed here MOD ON MODE OPER CIRCUIT CHECK 2ND HARMONIC If controls are not set as indicated perform the tum on procedures in paragraph 3 15 b Adjust front panel BEAM I AD...

Page 97: ...en operating long enough to reach operating temperature about one hour the meter should indicate between 35 and 45 5 21 OSC OVEN Position HP 5061B Maintenance 5 22 In the OSC OVEN position the meter signal is from the AlO Oscillator through A17 The meter monitors power applied to the oven in the oscillator At an ambient temperature of 25 C and the oven has been operating long enough to reach opera...

Page 98: ...y values can then be correlated to help identify the cause of a trouble Troubleshooting procedure tables on the following pages can be used to locate the section of the HP 5061B where the fault is most probably located See Table 5 2 5 4 5 39 When tests indicate that the HP 5061B frequency offset is greater than a 1 part in 1011 for a Standard Cesium Beam Tube or b 7 parts in 1012 for a High Perfor...

Page 99: ... FIgure 8 2 V L Buffer Amp Check signal J Assy A13 iatA13Jl _ I I Figure 8 2 0 YES Incorrect LTroubleshoot CONTINUOUS OPERATION LED off Check ALARM LED I I TINUOUS OPERATION OK Check synth freq as deser in Para 5 43 J Synth Assy Al I Troubleshoot and ALARM LEOs NORMAL Check l SUPPLY on meter OFF I G Zero NOT NORMAL L Meas power Check ac supply voltage dc fuses ac on A17 board power source OK Shoul...

Page 100: ...0865A HP 5345A 15 MHz ELECTRONIC FREQ I r I EXT I STD INPUT I 1 10 MHz J LOW PASS COUNTER FILTER L __ _ Figure 5 1 Al Synthesizer Operational Check Setup 5 6 5 48 Table 5 3 lists the signal period at AlTP1 Table 5 4 a b and c is a step by step troubleshooting aid to help locate a faulty component Table 5 3 Al Synthesizer AITPI Output Period Digital Divider Hardwired for Signal Period at AHP1 5921 ...

Page 101: ...ave power source supplying a 300 milliwatt phase modulated 90 MHz signal to the A4 Harmonic Generator NOTE Do not adjust the A3 Multiplier unless It Is faulty 5 57 A3 Multiplier Operational Check 5 58 To determine if the A3 Multiplier is operating normally check the 90 MHz output signal as follows a Disconnect A4Pl at the A4 Harmonic Generator Connect A4Pl to the 50 OHM vertical amplifier input of...

Page 102: ... p L Connect AlJl Check signal at Disconnect R58 at R82 CR39 junction Connect l 6Vde power meas signal at fD Check Ql9 assoc compon Iinclud R58 I l n 8 IN 1 CORRECT Ql9 E l ZV p_p Check Q2l CO R CT I assoc circuitry INCORRECT R E I Go to 8 Table 5 4 b page 5 9 Incorrect output ampl J3 or 3V J2 Check 3ignai at t L INCORRECT theCk signal i CORRECT 4D CORRECT l l assoc circuitry signal at Check tunin...

Page 103: ...as voltage at Q23 D 6 5 O 3Vdc whIle alter pla mg Install AlYI rR69 R7lA Junction YES to grd Voltage connect Elec 6 5VDC YES counter to AIJ3 Wait 5 min NO r Disconnect AIJI should change to note freq connect lCheck continuity junction at R69 from R72 C thru R7l to grd Q23 RBI L2 and L3 NO like 0 Freq should YES I whileQ23D changes I to 14 volts Replace CR28 r Check leakage Re lace CR28 I I around ...

Page 104: ... being preset by following the steps below 1 Remove 5 MHz input from Al assy 2 Ground strobe line by shorting jumper wire located between R18 and R7 to chassis 3 Measure preset input and output voltages Corresponding input and output pins 9 should be at the same TTL logic level as shown below Input Pin C 4 3 10 11 IC Output Pin 5 9 2 12 1 H L L L 2 L L H L 5 H L L H 6 H H L L Measure Voltage at Ch...

Page 105: ... powerexceeds 330 mW readjust the 10000 potentiometer to 290 mW HP 5061B Maintenance j Continue adjusting as in step i while maintaining an output level of 290 to 310 mW with the 10000 pot NOTE The output amplifier peaking adjustment phase Is complete when no further peaking Is possible k Adjust the 10000 pot to its minimum resistance position The power meter should indicate a power output of 380 ...

Page 106: ...ication on the CIRCUIT CHECK meter increases as a result of this test it indicates the cesium beam tube and the power supplies are operating properly 5 12 d Realign the A4 assembly using the Harmonic Generator Adjustments paragraph 5 202 Ifthe alignment is effective continue with the adjust ments given in paragraphs 5 206 through 5 223 NOTE If A4 cannot be properly aligned return It to Hewlett Pac...

Page 107: ...assis This completes the 100 kHz Divider adjustment procedure 5 86 Connect an electronic counter to the 10 MHz 1 MHz and 100kHz front panel BNC connectors Connect the counter s external reference standard input to the HP 5061B 5 MHz output Counter readings should be 10 MHz 1 MHz and 100 kHz This completes the A6 adjustment procedure 5 87 A7 AC AMPLIFIER MAINTENANCE 5 88 A7 AC Amplifier Description...

Page 108: ...e terminal ofthe powersupply should be connected to the A7 common or negative terminal 5 97 If there is a problem in the beam current differen tial amplifier Q4A B 5 or 6 a 10 Volt power supply 5 14 must be connected to the A7 VIO terminal Refer to the A7 schematic diagram for operating voltages at signifi cant test points Standard troubleshooting methods can be used with A7 5 9S A7 AC Amplifier R...

Page 109: ...be similar to waveform B on Figure 8 2 If the waveform is clipped or distorted readjust OSC FREQUENCY XlO 10 control for waveform 7 in Figure 8 2 This is the amplified error signal from the A7 AC Amplifier Readjust OSC FREQUENCY XlO 10 to 250 f Remove cable from ABJ3 and connect a dc volt meter to ABJ6 Note voltmeter reading to 1 mV resolution HP 5061B Maintenance g Adjust ABR39 PHASE ZERO over it...

Page 110: ...MHz output by two and provides a buffered 5 MHz output to both the A3 Multiplier and the A6 Frequency Output assemblies The A10A3 is the power supply for the A10A1 and A10A2 assemblies A10 input and output connections are on the A10A2 board 5 16 Power supply A10A3 provides an interface between the 5061B power supplies and A10 assembly circuitry Table 5 6 lists the input and output connections for ...

Page 111: ...leshooting is relatively easy Power supply voltages can be measured on A10A3 sockets If power supply is defective remove oscillator assembly A10A1 to gain access to power supply assembly AlOA3 AlOA3 will operate with A10A1 removed HP 506lE Maintenance 5 131 IF AlOA1 IS FOUND TO BE DEFECTIVE THE ENTIRE AI0 ASSEMBLY 05061 6189 MUST BE REPLACED THE A10A1 10 MHz OSCILLATOR IS NOT FIELD REPAIRABLE 5 13...

Page 112: ...ce All so that it does not short against any live terminals but still allows access to the All components 5 18 c Reconnect power to the HP 506lB and allow at least 45 minutes of warm up time d Once the 45 minute warm up time has elapsed the waveform at AllQ3 E should appear as that shown in photograph lB or lC depending on whether the cesium beam tube is the Standard or Option 004 located next to ...

Page 113: ...aph 5 150 HP 5061B Maintenance 1 Cesium Oven Temperature Set A11Rll and AllR12 2 Hot Wire Ionizer voltage A11R1 and the 3 Mass Spectrometer Adjustment A11R27 b BEAM I Adjustment paragraph 5 206 c Phase Modulation Amplitude Adjustment para graph 5 217 d Phase Modulation Phase Adjustment paragraph 5 219 e Loop Gain Adjustment paragraph 5 221 5 150 Use the following adjustment procedure ifAll is repl...

Page 114: ... is warranted for 1 year from the date of purchase 5 156 Ifthe cesium beam tube fails within its warranty period contact the Hewlett Packard Sales and Support office nearest you for shipping instructions 5 157 A12 NORMAL OPERATION 5 158 No adjustments are provided for the A12 Cesium Beam Tube It is a sealed unit and should not be opened to attempt repairs The following paragraphs give tests for A1...

Page 115: ... system A cesium beam tube is considered to be at the end ofits life HP 5061B Maintenance when the Cesium Frequency Standard can not be adjusted to meet its stability specifications or the tube fails to meet the specifications given in Table 5 10 Table 5 9 Beam Tube Signals Summary INPUT or I Y or Where Applicable OUTPUT Waveform Measured Procedure Cesium See Fig See Fig Para 5 146 Oven 8 20 8 20 ...

Page 116: ...d in paragraph 5 199 Adjust front panel BEAM I ADJUST control R7 to obtain an Ip of 25 nA as indicated by the front panel meter M1 with CIRCUIT CHECK Switch in the BEAM I position and MOD switch set to OFF The cesium beam tube is not considered to be at its end of life due to low Ip unless the value of Ip falls below 8 X 10 9 at an Electron Multiplier voltage of 2500 Volts 5 22 NOTE Approximately ...

Page 117: ...ECT SETTING I Q _ _ I is z a w I W I J o HP 5061B Maintenance a Set the MODE switch to LOOP OPEN and the MOD switch to OFF b Set the CIRCUIT CHECK meter switch to BEAM I c Carefully adjust the OSC FREQUENCY COARSE to the primary peak of the cesium resonance as indicated on the CIRCUIT CHECK meter See Figure 3 4 NOTE Three peaks will occur two peaks of lower amplitude on either side of one peak of ...

Page 118: ...PTION 003 OR HP 5089A POWER SUPPLY DANGEROUS VOLT AGES 3500 VDC AND 2500 VDC ARE ALWAYS PRESENT INSIDE THE INSTRUMENT 5 181 With HP 5061B operating normally as described in Section III remove HP 5061B top and bottom covers and set control as follows MOD OFF CIRCUIT CHECK BEAM I MODE LOOP OPEN 5 24 a Remove the input cable from A7J1 and connect a high input impedance dc voltmeter HP 41OC to this ca...

Page 119: ... and valley voltages are con verted to current values by applying Ohm s Law and the value of the voltmeters Input resistance Rmeter 5 187 Use the following procedure to measure the cesium beam tube Signal to Noise Ratio a Set MOD switch OFF and set MODE switch to LOOP OPEN HP 5061B Maintenance b Remove cable from A7Jl and using the adapters provided connect the cable to the input of a high impedan...

Page 120: ... test point A2TPI to A2TP2 to disconnect battery Refer to Figure 8 4 for test point locations Remove the A2 Battery Charger printed circuit board from the HP 506lB c On the bottom side of the chassis disconnect AllPl from the All Cesium Oven Controller Locate and remove the screw that fastens the All Cesium Oven Controller to the HP 506lB bottom chassis Remove the two screws that fasten All to the...

Page 121: ...um beam tube WARNING I ALL POWER TO THE HP 5061B MUST REMAIN DISCONNECTED AT THIS TIME VERIFY THAT AC POWER STANDBY DC POWER AND STANDBY BATTERY POWER PART OF OPTION 003 HAVE ALL BEEN DISCONNECTED FROM THE 5061B NOTE HP 5061B Maintenance Refer to the A11 Cesium Oven Controller schematic and component locator In Section VIII to Identify parts referred to In the following steps a Locate resistor s A...

Page 122: ...tacle While holding the tabs engaged tighten the plastic locking retainers until the connectors are firmly fastened k Plug the red cable into the 3500V receptacle J4 Repeat step j to lock the cable in place 1 Connect the two multi wire cable plugs to the adjacent chassis receptacles J16 and J17 and fasten the plugs in place by sliding the chassis mounted retainer toward the rear of the cabinet Gen...

Page 123: ...unit is cold a warm up period of at least 3 4 ofan hour is required The ION PUMP current must be less than 20 J l A before the cesium beam tube will output current d Set CIRCUIT CHECK switch to ION PUMP I and observe current indication on CIRCUIT CHECK meter Meter may indicate full scale and then decrease After indication falls below 20 the cesium beam tube will be switched on If ION PUMP I does n...

Page 124: ...l is reached Then proceed with step j g Ifthe voltmeter reading doesn t increase set A4R1 completely counterclockwise then turn it 118 to 114 turn clockwise Loosen the knurled locknut on the A4 tuning cavity and adjust the cavity tuning control maximum counterclockwise Then turn the cavity tuning control 3 4 turn clockwise This sets the alignment starting point to about 9192 MHz h Adjust A4S5 for ...

Page 125: ...double peaking is obtained this pro cedure is complete If double peaking is not obtained proceed with step t t If the saturated double peak is not observed in steps rand s pull the A4 attenuator out slightly and repeat steps rand s If saturation cannot be reached with the attenuator pulled all the way out i e at minimum attenuation repeat steps d through s above This completes the A4 Harmonic Gene...

Page 126: ...f cesium resonance g Disconnect connector A4P2 from the bottom ofthe A4 Harmonic Generator Record this voltmeter reading as the background signal Vb h Reconnect A4P2 to the A4 Harmonic Generator i Disconnect the voltmeter and adapter cable from A7P1 5 32 j Reconnect the cable to A7Pl of the A7 AC Amplifier 5 210 PHASE MODULATION FREQUENCY ADJUSTMENT 5 211 Use the following procedure to adjust the ...

Page 127: ... adjust the phase modulation amplitude a Set the front panel controls as follows MOD OFF MODE LOOP OPEN OSC FREQUENCY X10 10 250 CIRCUIT CHECK BEAM I HP 5061B Maintenance b Observe the CIRCUIT CHECK meter indication and CAREFULLY adjust the OSC FREQUENCY COARSE control to the VER Y TOP ofthe primary peak of the cesium resonance c Set MOD switch to ON d Adjust the OSC FREQUENCY X10 10 to 200 The qu...

Page 128: ...for zero voltmeter indication Some noise will be present in the meter indication Make this adjustment for minimum voltmeter indication e Set OSC FREQUENCY XlO 1o control to 200 f Adjust front panel LOOP GAIN control located behind the plug button for voltmeterindication of 1 6 0 15 Volts NOTE The setting of the A7 HI LO GAIN switch can be changed to HI if the LOOP GAIN control range is not suffici...

Page 129: ...12 FUND GAIN ADJ control clockwise until the front panel ALARM LED just switches on Wait a few seconds after each incremental adjustment to allow circuit time constants to settle Remove the clip wire from AI4Ql1 u Set the MODE switch to LOOP OPEN Adjust the OSC FREQUENCY COARSE control to the pri mary peak ofcesium resonance as observed on the CIRCUIT CHECK meter v Adjust the AIIR27 MASS SPECTrome...

Page 130: ...mper wire from A14Ql1 and disconnect the dc voltmeter 5 36 n Set the MODE switch to LOOP OPEN and set the OSC FREQUENCY XlO 10 control to 250 o Tune the OSC FREQUENCY COARSE control back to the primary peak of the cesium resonance as indicated on the CIRCUIT CHECK meter Set the MODE switch to OPER 5 234 A14 Second Harmonic Channel Operational Check a Connect a high impedance dc voltmeter to A14CR2...

Page 131: ...HP 428B probe around the yellow wire connected to Al 7 29 The C Field current will be displayed on the meter The C Field current should be between 10 and 25 milliamperes b Disconnect the clip on milliammeter HP 428B probe from the yellow wire c Remove ALL power from HP 5061B ac external dc and internal standby battery Remove A15 assembly from extender board socket and remove extender board from506...

Page 132: ...from the cesium beam tube to the HP 506lB chassis Disconnect the red wire from the 3500 volt chassis connector e Connect the dc voltmeter with a high voltage probe to conductor in 3500 Volt chassis connector J4 f Reconnect operating electrical power to the HP 506lB g Voltmeter indication should be more than 3000 Volts for normal operation h Disconnect all electrical power to the HP 506lB i Disconn...

Page 133: ...placed potentiometer R7 front panel BEAM I ADJUST control must be adjusted Refer to paragraph 5 199 for the correct procedure The A19 is a sealed assembly and as such is not field repairable Return to HP for repair HP 5061B Maintenance 5 260 TIME STANDARD AND STANDBY POWER SUPPLY OPTION 003 MAINTENANCE 5 261 A2 Battery Charger Maintenance Part of Option 003 5 262 The A2 Battery Charger recharges t...

Page 134: ... a complete discharge followed by a recharge This cycle should be repeated several times The procedure for discharging the battery calls for discharging the BTl battery until relay A2K1 opens This means that the particular HP 5061B being discharged will be WITH OUT POWER at the end of the discharge cycle Service personnel must determine depending on HP 5061B s use and application if this particula...

Page 135: ...of the chassis HP 5061B Maintenance c Remove the screws that hold the A5 assembly in the chassis and carefully remove A5 from the chassis d Remove the screws that hold the A5 assembly shield cover and remove the cover e Reconnect cables and wjres to supply power and signal connections to A5 f Keep the A5 assembly in a position so that no electrical connections are short circuited g After repairs a...

Page 136: ...OGIC RESET switch f Front panel LEDs should indicate as follows ALARM OFF CONTINUOUS OPERATION ON BAITERY OFF 5 42 If a problem with the CONTINUOUS OPERA TION and or ALARM LEDs is detected check their associated driving circuits located on the A14 Logic Assembly If no trouble is found here troubleshoot the LEDs on the A16 following the procedures outlined in paragraph 5 311 g If the HP 5061B under...

Page 137: ...t care The glass can be easily broken HP 5061B Maintenance 5 297 Before removing or installing theA16 Clock LED Display Assembly disconnect all HP 5061B operating power Wires and cables to the clock are long enough for the A16 to be operated outside of the HP 5061B Use the following procedure to remove the clock from the HP 5061B cabinet a Disconnect ALL HP 5061B operating power ac external dc and...

Page 138: ...ly when completed 5 305 A16 LCD Display Test 5 306 A16 Clock Display test procedures are as follows a Examine the front panel LCD display Depress SET MINUTES S2 and SET HOURS Sl This will test all display drivers and their respective counters If problem is detected with display use the A16 schematic to isolate problem to the appropriate segment driver or segment All counter and display driver outp...

Page 139: ...D cathodes To check the A16 LED circuits proceed as follows 80 Hz 5V Phase ovJ Signal OS1 Pln1 5V Any ovJ Segment Input Pin I HP 5061B Maintenance a Disconnect all power to the HP 5061B and remove bottom cover SOME STEPS IN THE FOLLOWING PROCEDURE REQUIRE OPERATION OF THE HP 5061B WITH CABINET COVERS REMOVED BE CAREFUL DANGEROUS VOLTAGE POINTS ARE EXPOSED WITH THE CABINET COVERS REMOVED b Carefull...

Page 140: ...h conditions 5 46 HP 5061B Maintenance 5 315 Using a suitable ohmmeter check resistance from instrument enclosure to ground pin on power cord plug The reading must be less than 1 Ohm Flex the power cord while making this measurement to deter mine whether intermittent discontinuities exist 5 316 Check any indicated front or rear ground termi nals using the above procedure 5 317 Check resistance fro...

Page 141: ...part e A typical manufiicturer of the part in a five digit code f The manufacturer s number for the part 6 9 The total quantity for each assembly is given only once at the first appearance of the part number in the list for that assembly AI A2 etc 6 10 ORDERING INFORMATION 6 11 To order a part listed in the replaceable parts table quote the Hewlett Packard part number the check digit indicate the ...

Page 142: ... lock log Iogarithm ic PLO pheU lock oacillelor LPF low pea filter PM pheU modul tlon LV low voltege PNP poaH negatl poIill m met Idietenoa P O part of mA mmlempere POLY potyatyrene MAX maximum PORC porcel ln MIl megohm POS poahlve poaillon a luted In MEG meg 1101 lueed In partlliat partlllll MET FLM matelfilm POSN poaHlon MET OX matel oxide POT potentiometer MF medium frequency microf red p p pee...

Page 143: ...bly Retainer Handle Assembly Kit Rack Mount Option 908 Panel Rear Panel Front Cover Top Standard Cover Top Option 003 Upper Dress Panel Standard Upper Dress Panel Option 003 Lower Dress Panel Standard Lower Dress Panel Option 003 HP 5061B Replaceable Parts HP Part No 5000 0063 5000 8727 5060 0222 5060 0736 5060 0767 5060 8719 5060 8735 5060 8742 05061 0109 05061 0099 05061 2059 05061 6100 05061 01...

Page 144: ...ON MOUNTS IN 28480 2 SYNTHESIZER BOARD ASSEMBLY 28480 SERIES 2248 NOT ASSIGNED 1 CAPACITOR FXD 200PF 5 300VDC MICA 72136 1 CAPACITOR FXD 240PF 5 300VDC MICA 72136 1 CAPACITOR FXD 680PF 5 300VDC MICA 72136 1 CAPACITOR FXD 270PF 5 300VDC MICA 72136 1 CAPACITOR FXD 200PF 1 300VDC MICA 72136 1 CAPACITOR FXD 220PF 5 300VDC MICA 28480 1 CAPACITOR FXD 240PF 1 300YDC MICA 72136 1 CAPACITOR FXD 250PF 1 100...

Page 145: ...V 200MA 2NS 00 35 28480 7 DIODE SWITCHING 30V 50MA 2NS 00 35 28480 1 DIODE ZNR 13 3V 5 00 35 PD 4W 28480 DIODE SWITCHING 80V 200MA 2NS 00 35 28480 1 DIODE ZNR 7 5V 5 00 35 PD 4W TC 05 28480 DIODE SWITCHING 80V 200MA 2NS 00 35 28480 DIODE SWITCHING 80V 200MA 2NS 00 35 28480 2 DIODE SAMPLER 28480 DIODE SAMPLER 28480 DIODE SWITCHING 30V SOMA 2NS 00 35 28480 DIODE SWITCHING 30V SOMA 2NS 00 35 28480 DI...

Page 146: ...W FT 600MHZ 04713 TRANSISTOR NPN SI PD 300MW FT 600MHZ 04713 TRANSISTOR NPN SI PD 300MW FT 600MHZ 04713 NOT ASSIGNED 1 TRANSISTOR NPN 2N2221 SI TO 18 PD 500MW 04713 1 TRANSISTOR NPN 2N3725 SI TO 5 PD 800MW 01295 4 TRANSISTOR NPN SI PD 200MW FT 600MHZ 28480 1 TRANSISTOR NPN SI TO 5 PD 800W FT 2HZ 28480 TRANSISTOR NPN SI PD 200MW FT 600MHZ 28480 TRANSISTOR NPN SI PD 200MW FT 600MHZ 28480 1 TRANSISTO...

Page 147: ...W F TC 0 100 24546 2 RESISTOR 15K 2l 125111 F TC 0 100 24546 2 RESISTOR 16K 2l 1251 1 F TC 0 100 24546 2 RESISTOR 18K 2l 1251 1 F TC O lOO 24546 2 RESISTOR 20K 2X 1251 1 F TC O lOO 24546 RESISTOR 10K 2X 125111 F TC O lOO 24546 RESISTOR 39K 2l 1251 1 F TC O lOO 24546 1 RESISTOR 43K 2X 1251 1 F TC 0 100 24546 2 RESISTOR 47K 2l 1251 1 F TC 0 100 24546 1 RESISTOR 51K 2l 1251 1 F TC O lOO 24546 1 RESIS...

Page 148: ...100 24546 RESISTOR 20K 2X 125W F TC 0 100 24546 1 RESISTOR 4 75M 2X 125W CF TC O 1300 91637 RESISTOR 10K 2X 125W F TC 0 100 24546 RESISTOR 1K 2X _125W F TC 0 100 24546 RESISTOR 1M 1X 125W CF TC 0 500 91637 RESISTOR 12K 2X 125W F TC 0 100 24546 RESISTOR 1K 2X 125W F TC 0 100 24546 RESISTOR 2K 2X 125W F TC 0 100 24546 RESISTOR 5 6K 2X _125W F TC 0 100 24546 RESISTOR 100 2X 125W F TC 0 100 24546 RESI...

Page 149: ...s Continued HP Part C Number D 05061 6175 8 Qty Description Mfr Code 1 BATTERY CHARGER BOARD 28480 ASSEMBLY SEE TABLE 6 3 OPTION 003 REPLACEABLE PARTS See introduction to this section for ordering information Indicates factory selected value Mfr Part Number 05061 6175 6 9 Scans by Artekmedia 2011 ...

Page 150: ... IN OD 28480 PLACED IN GROOVED EDGES OF ENDPLATES 1 COV BOT MULTI 28480 1 COY TOP MULTI 28480 1 PLATE END 28480 1 PLATE END 28480 1 MULTIPLIER BOARD ASSEMBLY 28480 SERIES 1852 NOT ASSIGNED 2 CAPACITOR FXD 100UF l0 30VDC TA 56289 20 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 6 CAPACITOR FXD 200PF 5 300VDC MICA 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 ...

Page 151: ...XD 12PF 5 500VDC MICA 72136 CAPACITOR FXD 01UF 80 20X 100VDC CER 28480 CAPACITOR FXD 100UF l0X 30VDC TA 56289 1 CAPACITOR FXD 15PF 5 500VDC MICA 72136 1 CAPACITOR V TRMR CER 5 25PF 350V PC MTG 28480 CAPACITOR FXD 3 3PF 25PF 500VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20X 100VDC CER 28480 CAPACITOR FXD 270PF 5X 300VDC MICA 72136 CAPACITOR FXD 01UF 80 20 100VDC C...

Page 152: ...C 0 100 24546 6 RESISTOR 470 2X 125W F TC 0 100 24546 3 RESISTOR 10K 2X 125W F TC 0 100 24546 RESISTOR 470 2X 125W F TC 0 100 24546 5 RESISTOR lK 2X 125W F TC 0 100 24546 RESISTOR 10K 2X 125W F TC 0 100 24546 2 RESISTOR 3K 2X 125W F TC 0 100 24546 1 RESISTOR 300 2X 125W F TC 0 100 24546 1 RESISTOR 51K 2X 125W F TC 0 100 24546 1 RESISTOR 680 2X 125W F TC 0 100 24546 1 RESISTOR 1 5K 5X 25W F TC 0 l0...

Page 153: ...K 2 125W F TC 0 100 24546 1 XFMER PWR AMP 28480 1 TRAN AY 5MC 28460 1 MOUNTING PAD TOROID 28460 LOCATED BETWEEN A3Al BOARD AND T2 1 SHIELD CAN MU ME 688 IN DP OUT 68 IN OD 02875 8 CONNECTOR SGL CONT PIN 04 IN BSC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN BSC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN 8SC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN BSC SZ RND 28460 CONNECTOR SGL CONT PIN 04 IN 8SC SZ ...

Page 154: ...NTL T NO 2 089 IN ID 28480 4 SCREW MACH 4 40 5 IN LG 82 DEG 28480 1 SCREW MACH 4 40 312 IN LG FIL HD SLT 00000 3 SCREW MACH 4 40 375 IN LG FIL HD SLT 00000 4 SCREW SET 4 40 125 IN LG SMALL CUP PT 00000 2 SCREW SET 4 40 094 IN LG OVAL PT ALY 00000 3 NUT HEX DBL CHAM 12 28 THD 1 IN THK 28480 5 SCREW SET 2 56 062 IN LG SMALL CUP PT 00000 3 WASHER LK INTL T NO 12 218 IN ID 28480 4 WASHER FL MTLC NO 8 ...

Page 155: ...FXD 130PF 5 300VDC MICA 72136 1 CAPACITOR FXD 80PF 2 300VDC MICA 72136 1 CAPACITOR FXD 110PF 1 300VDC MICA 28480 1 CAPACITOR FXD 91PF 5 300VDC MICA 0 70 28480 1 CAPACITOR FXD 100PF 5 300VDC MICA 28480 1 CAPACITOR FXD 120PF 5 300VDC MICA 28480 1 CAPACITOR V TRMR CER 5 25PF 350V PC MTG 28480 1 DIODE GEN PRP 100V 200MA 00 7 28480 1 INDUCTOR RF CH MLD lUH 10 105DX 26LG 28480 1 INDUCTOR RF CH MLD 22UH ...

Page 156: ...O Options Continued HP Part C Number D 05061 6157 8 Qty Description Mfr Code 1 DIGITAL DIVIDER ASSEMBLY SEE 28480 TABLE 6 3 OPTION 003 REPLACEABLE PARTS See introduction to this section for ordering information Indicates factory selected value Mfr Part Number 05061 6157 Scans by ArtekMedia 2011 ...

Page 157: ...NUT HEX DBL CHAM 10 32 THD 067 IN THK 28480 8 WASHER FL MTLC NO 4 125 IN ID 28480 1 COVER BOT FREQUENCY OUTPUT 28480 1 COVER BOT FREQUENCY OUTPUT 28480 1 PLATE END OUTPUT Jl J8 FL1 1 PLATE END 28480 1 CABLE TIE 062 625 DIA 091 WD NYL 06383 FT CABLE COAX 600V GRA 28480 1 FREQUENCY OUTPUT BOARD 28480 ASSEMBLY SERIES 2636 15 CAPACITOR FXD 0IUF 20X 50VDC CER 28480 CAPACITOR FXD 0IUF 20X 50VDC CER 2848...

Page 158: ...05DX 26LG 28480 INDUCTOR RF CH MLD 220UH 5 105DX 26LG 28480 2 INDUCTOR RF CH MLD 2 2UH 5 105DX 2SLG 28480 1 INDUCTOR RF CH MLD 22UH 5 105DX 26LG 28480 INDUCTOR RF CH MLD 220UH 5 1050X 26LG 28480 INDUCTOR RF CH MLO 220UH 5 105DX 26lG 28480 INDUCTOR RF CH MLD 2 2UH 5 105DX 26LG 28480 INDUCTOR RF CH MLD 220UH 5 105DX 26LG 28480 1 INDUCTOR RF CH MLD 100UH 5 105DX 26LG 28480 1 INDUCTOR RF CH MLD 2 4UH ...

Page 159: ...SISTOR 51 1 1 125W F TC 0 100 24546 RESISTOR 6 81K 1 125W F TC 0 l00 24546 1 RESISTOR 1 47K 1 125W F TC 0 l00 24546 RESISTOR 4641 125W F TC 0 l00 24546 RESISTOR 316 1 125W F TC 0 l00 24546 RESISTOR 4641 125W F TC 0 l00 24546 RESISTOR 825 1 125W F TC 0 l00 24546 3 RESISTOR 1 21K 1 125W F TC 0 l00 24546 RESISTOR TRMR 500 10 C TOP ADJ l TRN 73138 RESISTOR 750 1 125W F TC 0 l00 24546 3 RESISTOR 2 37K ...

Page 160: ...IN LG PAN HD POZI 28480 1 WASHER LK INTL T 3 8 IN 377 IN ID 28480 1 NUT HEX DBL CHAM 3 8 32 THD 094 IN THK 28480 6 NUT HEX DBL CHAM 10 32 THD 067 IN THK 28480 NOTE COVER END PLATES MUST 8E ORDERED AS A UNIT SINCE END PLATES ARE RIVETED TO COVER FT CABLE COAX 50 OHM 29PF FT MAX 28480 4 TERMINAL STUD DBL TUR PRESS MTG 28480 4 TERMINAL BUSHING TEFLON MOUNTS IN 28480 4 TERMINAL STUD SGL TUR PRESS MTG ...

Page 161: ... SI TO 39 PD 800MW 28480 2 RESISTOR lK 2 125W F TC 0 100 24546 3 RESISTOR 56K 2 125W F TC 0 100 24546 1 RESISTOR 10M 1 lW CF TC 0 800 91637 1 RESISTOR 3 3M IX 125W CF TC 0 1300 91637 8 RESISTOR 10K 2 125W F TC 0 100 24546 RESISTOR 56K 2 125W F TC 0 100 24546 RESISTOR 56K 2 125W F TC 0 100 24546 RESISTOR 10K 2 125W F TC 0 l00 24546 2 RESISTOR 20K 2 125W F TC 0 l00 24546 2 RESISTOR 1M 1 125W CF TC 0...

Page 162: ...ESISTOR 3K 2 125W F TC 0 100 24546 RESISTOR 200 2X 125W F TC 0 100 24546 RESISTOR lK 2 125W F TC 0 100 24546 RESISTOR 1M 1 125W CF TC 0 500 91637 2 RESISTOR 93 1K 1 125W F TC 0 l00 03888 RESISTOR 20K 2X 125W F TC 0 100 24546 1 RESISTOR 47 5K 1 125W F TC 0 100 24546 RESISTOR 93 1K 1 125W F TC 0 100 03888 RESISTOR 10K 2X 125W F TC 0 100 24546 1 RESISTOR 100 2X 125W F TC 0 100 24546 See introduction ...

Page 163: ...LE OUTPUT 28480 1 PLATE END MULTIPLE OUTPUT 28480 1 PHASE DETECTOR BOARD 28480 ASSEMBLY SERIES 1904 1 CAPACITOR FXD 01213UF Zl 50VDC 28480 1 CAPACITOR FXD 2 7UF l01 35VDC TA 56289 1 CAPACITOR FXD 0252UF 11 50VDC POLYSTY 28480 2 CAPACITOR FXD 6 8UF l0 35vDC TA 56289 1 CAPACITOR FXD 5PF 10 500VDC MICA 72136 1 CAPACITOR FXD IUF 80 201 50VDC CER 28480 I CAPACITOR FXD 100PF Zl 300VDC MICA 72136 3 CAPAC...

Page 164: ...100 24546 1 RESISTOR 22 1K IX 125W F TC 0 100 24546 1 RESISTOR 56 IX 125W F TC O IOO 24546 RESISTOR 10K 2X 125W F TC 0 100 24546 1 RESISTOR TRMR 5K 5X WW SIDE ADJ l TRN 28480 1 RESISTOR 7 5K 2X 125W F TC O IOO 24546 4 RESISTOR lOOK 2X 125W F TC 0 l00 24546 2 RESISTOR 10K IX 125W F TC 0 100 24546 RESISTOR lOOK 2X 125W F TC 0 100 24546 2 RESISTOR 390 2X 125W F TC O IOO 24546 RESISTOR 24K 2X 125W F T...

Page 165: ...1K 2 12SW F TC 0 100 24548 2 RESISTOR 3K 2 125W F TC 0 100 24546 RESISTOR 3K 2 125W F TC 0 100 24548 RESISTOR lOOK 2 125W F TC 0 100 24548 RESISTOR lOOK 2 125W F TC 0 100 24548 1 TRANSFORMER 1 V 60 CPS 28480 10 CONNECTOR SGL CONT PIN 04 IN 8SC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN 8SC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN 8SC SZ RND 28480 CONNECTOR SGL CONT PIN 04 IN BSC SZ RND 28480 CONNE...

Page 166: ...IP MNL MSH 094 IN OD 28480 PLACED IN GROOVES OF END PLATES 1 COV BOT 28480 1 COV TOP 28480 1 PLATE END 28480 1 PLATE END 28480 1 OPERATIONAL AMPLIFIER BOARD 28480 ASSEMBLY SERIES 2534 2 CAPACITOR FXD IUF 201 25VDC CER 28480 CAPACITOR FXD IUF 201 25VDC CER 28480 1 CAPACITOR FXD 30PF 51 300VDC MICA 28480 NOT ASSIGNED I CAPACITOR FXD 5UF 101 50VDC MET POLYC 28480 1 CAPACITOR FXD 0IUF 201 50VDC CER 28...

Page 167: ...TUNING OSC 28480 1 TIP INPUT 28480 1 SHAFT TUNING 28480 1 BRACKET OSC 28480 1 CLAMP OSC TUNING 28480 1 IC V RGLTR ADJ POS 1 2 37V TO 220 PKG 28480 2 TERMINAL STUD FKD TUR SWGFRM MTG 28480 TERMINAL STUD SGL TUR PRESS MTG 28480 1 10 MHZ OSCILLATOR ASSEMBLY 28480 SERIES 2332 Al0Al NOT FIELD REPAIRABLE SEE SECTION V 1 FREQUENCY DIVIDERIAMP BOARD 28480 ASSEMBLY SERIES 2552 3 CAPACITOR FXD 01UF 10 100VD...

Page 168: ...ESISTOR lK lX 125W F TC 0 100 24546 2 RESISTOR 4 64K lX 125W F TC 0 100 24546 2 RESISTOR 3 16K lX 125W F TC 0 100 24546 1 RESISTOR 13 3K lX 125W F TC 0 l00 19701 RESISTOR 4 64K lX 125W F TC 0 100 24546 RESISTOR lK lX 125W F TC 0 100 24546 3 RESISTOR 511 lX 125W F TC 0 100 24546 1 RESISTOR 1 78K lX 125W F TC 0 100 24546 RESISTOR 511 lX 125W F TC 0 100 24546 1 RESISTOR 511 lX 125W F TC 0 100 24546 2...

Page 169: ... F TC 0 100 28480 1 RESISTOR 38 3K 1 125W F TC 0 100 24546 1 RESISTOR 46 4K 1 125W F TC 0 100 24546 1 RESISTOR 215K 1 125W F TC 0 100 24546 3 RESISTOR 316K 1 125W F TC 0 100 28480 1 RESISTOR 562K 1 125W F TC 0 100 28480 1 RESISTOR 56 2K 1 125W F TC 0 l00 24546 1 RESISTOR 68 1K 1 125W F TC 0 100 24546 1 RESISTOR 82 5K 1 125W F TC 0 100 24546 1 RESISTOR 110K 1 125W F TC 0 100 24546 RESISTOR 464 1 12...

Page 170: ...OVEN CONTROLLER BOARD 28480 ASSEMBLY SERIES 2506 3 CAPACITOR FXD 1000PF 20 100VDC CER 28480 1 CAPACITOR FXD lUF l0 35VDC TA 56289 3 CAPACITOR FXD 3 3UF 20 15VDC TA 56289 7 CAPACITOR FXD IUF 20 50VDC CER 28480 8 CAPACITOR FXD 47UF l0 35VDC TA 56289 CAPACITOR FXD 47UF l0 35VDC TA 56289 CAPACITOR FXD 47UF l0 35VDC TA 56289 1 CAPACITOR FXD 100UF 20 20VDC TA 56289 NOT ASSIGNED CAPACITOR FXD 47UF l0 35V...

Page 171: ...1 385DX 635LG 28480 1 INDUCTOR RF CH MLD 100UH 51 166DX 385LG 28480 2 TRANSISTOR NPN 2N3019 SI TO 39 PD 800MW 04713 TRANSISTOR NPN 2N3019 SI TO 39 PD 800MW 04713 1 TRANSISTOR NPN 2N5427 SI TO 66 PD 4OW 04713 2 TRANSISTOR PNP SI TO 39 PD lW FT 100MHZ 28480 4 TRANSISTOR NPN 2N2222A SI TO 18 PD 500MW 04713 TRANSISTOR NPN 2N2222A SI TO 18 PD 500MW 04713 TRANSISTOR NPN 2N2222A SI TO 18 PD 500MW 04713 1...

Page 172: ...W TC 0 90 28480 RESISTOR lK IX 125W F TC 0 100 24546 RESISTOR lK 11 125W F TC 0 100 24546 RESISTOR 10K 11 125W F TC 0 100 24546 I RESISTOR 15K IX 125W F TC 0 100 24546 RESISTOR 100 11 125W F TC 0 l00 24546 RESISTOR 100 IX 125W F TC 0 100 24546 RESISTOR 10K 11 125W F TC 0 100 24546 RESISTOR 10K IX 125W F TC 0 l00 24546 RESISTOR 23 7K 11 125W F TC 0 l00 24546 RESISTOR 23 7K 11 125W F TC 0 100 24546 ...

Page 173: ...ECTOR SGL CONT SKT 04 IN BSC SZ RND 28480 2 HOOD HEXAGONAL 4 CONT CONN 28480 OPTION 004 ONLY CONNECTOR SGL CONT SKT 04 IN BSC SZ RND 28480 2 LOCK SPRING HEXAGONAL CONN 28480 OPTION 004 ONLY I CONNECTOR I PIN MHEXAGONAL 28480 I CONNECTOR I PIN F 28480 NOT ASSIGNED 1 CONNECTOR 9 PIN MD SERIES 28480 1 CONNECTOR 7 PIN MD SERIES 28480 1 HOOD SUBMIN D 9 CONT CONN 28480 4 LOCK SUBMIN D CONN 28480 4 INSER...

Page 174: ...SERIES 1248 11 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 CAPACITOR FXD 01UF 80 20 100VDC CER 28480 2 CAPACITOR FXD 200PF 5 300VDC MICA 72136 2 CAPAC...

Page 175: ...00 24546 1 RESISTOR 470 2X 1251 1 F TC 0 100 24546 6 RESISTOR 510 2X 1251 1 F TC 0 l00 24546 2 RESISTOR 56 IX 1251 1 F TC 0 100 24546 RESISTOR 56 IX 1251 1 F TC 0 100 24546 1 RESISTOR 3 3K 2X 1251 1 F TC 0 100 24546 RESISTOR 510 2X 1251 1 F TC 0 l00 24546 RESISTOR 510 2X 1251 1 F TC 0 l00 24546 2 RESISTOR 200 2X 1251 1 F TC 0 100 24546 2 RESISTOR lK 2X 1251 1 F TC 0 100 24546 RESISTOR 200 2X 1251 ...

Page 176: ...VDC lA 56289 CAPACITOR FXD lUF 20 25VDC CER 28480 CAPACITOR FXD lUF 20 25VDC CER 28480 1 CAPACITOR FXD 1UF 20 50VDC CER 28480 3 DIODE ZNR 7 15V 5 00 35 PD 4W 28480 1 DIODE GEN PRP 180V 200MA 00 7 28480 11 DIODE SWITCHING 30V 50MA 2NS 00 35 28480 DIODE SWITCHING 30V SOMA 2NS 00 35 28480 DIODE SWITCHING 30V SOMA 2NS 00 35 28480 DIODE SWITCHING 30V SOMA 2NS 00 35 28480 2 DIODE ZNR 5 76V 10 00 35 PD 4...

Page 177: ...F TC 0 100 24546 2 RESISTOR lS 4K 1 125W F TC 0 25 28480 RESISTOR lS 4K 1X 125W F TC 0 25 2S41l0 RESISTOR 51K 2 125W F TC 0 100 24546 6 RESISTOR 33K 2 125W F TC 0 100 24546 1 RESISTOR 5 73K 25 125W F TC 0 50 07716 RESISTOR 10K 2 125W F TC 0 l00 24546 4 RESISTOR 2K 2 125W F TC 0 100 24546 1 RESISTOR 3K 2 125W F TC 0 100 24546 RESISTOR 33K 2 125W F TC 0 100 24546 1 RESISTOR TRMR lK 5 WW TOP ADJ l TR...

Page 178: ...6 RESISTOR 33K 2 125W F TC 0 100 24546 RESISTOR 33K 2X 125W F TC 0 l00 24546 RESISTOR 2K 2X 125W F TC 0 l00 24546 RESISTOR 5 1K 2X 125W F TC O 100 24546 RESISTOR 10K 2X 125W F TC O IOO 24546 RESISTOR 5 1K 2X 125W F TC O 100 24546 RESISTOR 15K 2X 125W F TC O 100 24546 RESISTOR 10K 2X 125W F TC 0 100 24546 RESISTOR 10K 2X 125W F TC 0 100 24546 RESISTOR 10K 2X 125W F TC 0 l00 24546 RESISTOR 100 2X 12...

Page 179: ...0 30 28480 CAPACITOR FXD 33PF 5 200VOC CER 0 30 28480 1 CAPACITOR FXO 4700PF 20 100VOC CER 28480 1 DIODE SCHOTTKY 30V 511 28480 1 DIODE SM SIG SCHOTTKY 28480 2 OIOOE PWR RECT 100V I SA 28480 DIODE PWR RECT 100V 1 511 28480 3 OIODE ZNR 19 6V 5 00 35 PO 4W 28480 DIODE ZNR 19 6V 5 00 35 PO 4W 28480 DIODE ZNR 19 6V 5 00 35 PO 4W 28480 1 OIODE ZNR 6 19V 5 00 35 PO 4W 28480 1 DIODE SWITCHING 30V SOMA 2N...

Page 180: ...IX 125W F TC 0 l00 24546 1 RESISTOR 11 0K IX 125W F TC 0 100 24546 1 RESISTOR 12 1K IX 125W F TC 0 l00 24546 1 RESISTOR 16 2K IX 125W F TC 0 100 24546 I RESISTOR 51 1K lX 125W F TC 0 100 24546 I RESISTOR 56 2K lX 125W F TC 0 100 24546 1 RESISTOR 61 9K IX 125W F TC 0 100 24546 I RESISTOR 68 1K IX 125W F TC 0 100 24546 I RESISTOR 75 0K IX 125W F TC 0 l00 24546 1 RESISTOR S2 5K lX 125W F TC 0 100 245...

Page 181: ... 64M IX 125W F TC 0 100 28480 RESISTOR 4 64K IX 125W F TC 0 100 24546 1 RESISTOR 261 IX 125W F TC 0 100 24546 2 RESISTOR 8 64K IX 125W F TC 0 25 19701 RESISTOR lK IX 125W F TC 0 l00 24546 RESISTOR 2K IX 125W F TC O IOO 24546 NOT ASSIGNED 1 RESISTOR 432 IX 25W F TC 0 100 24546 RESISTOR 8 64K IX 125W F TC 0 25 19701 RESISTOR 10K IX 125W F TC 0 25 28480 RESISTOR 10K IX 125W F TC 0 25 28480 1 RESISTOR...

Page 182: ...003 SEE TABLE 6 3 1 LED DISPLAY ASSEMBLY 28480 STANDARD SERIES 2612 1 LED LAMP IF 20MA MAX BYR 5Y AMBER 28480 1 LED LAMP LUM INT 6 7MCD IF 25MA MAX 28480 GREEN 1 CONN POST TYPE 100 PIN SPCG S CONT 03460 2 RESISTOR 2 15K 11 125W F TC 0 100 24546 RESISTOR 2 15K 11 125W F TC 0 100 24546 2 STOF L E O 28480 See introduction to this section for ordering information Indicates factory selected value Mfr P...

Page 183: ...4546 1 RESISTOR 61 9K 1 125W F TC 0 7100 24546 1 RESISTOR 68 1K 1 125W F TC 0 100 24546 1 RESISTOR 75 0K 1 125W F tc 0 100 24546 1 RESISTOR 92 5K 1 125W F TC 0 100 24546 1 RESISTOR 90 9K 1 125W F TC O 100 24546 1 RESISTOR lOOK 1 12SW F TC 0 100 24546 RESISTOR 38 3K 1 125W F TC O 100 24546 RESISTOR 46 4K 125W F TC 0 100 24546 RESISTOR 42 2K 1 125W F TC 0 100 24546 RESISTOR 34 8K 1 125W F TC 0 100 2...

Page 184: ... 6182 3 05061 6183 6 Qty Description Mfr Code 1 3 500 VDC POWER SUPPLY 28480 ASSEMBLY SERIES 2612 NOT FIELD REPAIRABLE 1 2500 VDC POWER SUPPLY 28480 ASSEMBLY SERIES 2612 NOT FIELD REPAIRABLE See introduction to this section for ordering information Indicates factory selected value Mfr Part Number 05061 6182 05061 6183 Scans by ArtekMedia 2011 ...

Page 185: ...28480 FUSEHOLDER COMPONENT NUT THREAD M12 7 28480 1 FUSE 3A 250V NTD 1 25X 25 UL 75915 FUSEHOLDER BODY 12A MAX FOR UL H9027 FUSEHOLDER CAP 12A MAX FOR UL 28480 FUSEHOLDER COMPONENT NUT THREAD M12 7 28480 5 CONNECTOR RF BNC FEM SGL HOLE FR 50 OHM 28480 8 CONNECTOR RF BNC FEM SGL HOLE RR 50 OHM 28480 2 CONNECTOR 1 PIN F 28480 MATES WITH 1251 1978 2 CONNECTOR 1 PIN M HEXAGONAL 28480 MATES WITH 1251 1...

Page 186: ...ESISTOR 400K 1 125W F TC 0 l00 28480 OPTION 004 LOCATED AT TP1 1 RESISTOR 12M 1 lW CF TC 0 1300 91637 STANDARD LOCATED AT TP1 1 RESISTOR 1M 1 5W F TC 0 l00 28480 OPTION 004 LOCATED AT TP1 1 RESISTOR TRMR 20K 5 WW SIDE ADJ 22 TRN 32997 FRONT PANEL 1 MOUNTING BRACKET FOR R7 28480 PART OF R7 1 RESISTOR YAR PREC WW 10 TRN SK 5 28480 FRONT PANEL RESISTOR 10K 1 125W F TC 0 l00 24546 MOUNTED ACROSS C5 TE...

Page 187: ...HZ 28480 1 CABLE ASSY A6J8 TO REAR PANEL 10MHZ 28480 1 CABLE ASSY A7J4 TO A8J3 28480 1 CABLE ASSY A8J4 TO AI4 19 28480 PART OF MAIN CABLE ASSY 1 135 1 CABLE ASSY A4J3 TO ZEEMAN MOO INPUT 28480 1 CABLE ASSY TERMINAL 28480 1 CABLE ASSY OPERATIONAL AMPLIFIER A9Jl TO 28480 R6 CHASSIS MOUNTED NOT ASSIGNED 1 CABLE ASSY Al0Jl TO S2 28480 Part of 1 136 Cable Assembly 1 CABLE ASSY Al0J2 TO R3 28480 1 CABLE...

Page 188: ... POZI 00000 6 SCREW MACH 4 40 375 IN LG 82 DEG 00000 6 NUT HEX PLSTC LKG 4 4O THD 141 IN THK 00000 15 NUT HEX W LKWR 4 4O THD 094 IN THK 00000 8 SCREW MACH 6 32 312 IN LG PAN HD POZI 00000 2 SCREW MACH 6 32 375 IN LG PAN HD POZI 00000 1 SCREW MACH 6 32 5 IN LG PAN HD POZI 00000 8 SCREW MACH 6 32 25 IN LG 82 DEG 00000 10 SCREW MACH 6 32 5 IN LG 82 DEG 00000 3 SCREW MACH 6 32 25 IN LG 100 DEG 00000 ...

Page 189: ...UL RECEPTACLE 28480 2 PLUG HOLE DOME Hi FOR 5 D HOLE STL 28480 2 CLAMP TUSE SUPP 28480 2 ROD TB SUPP 28480 I CHAS SMALL 28480 I BKT BUFF AMP 28480 I ANGLE SUPPORT 28480 I SHIELD CST TOP STANDARD ONLY 28480 I SHIELD CBT BOT STANDARD ONLY 28480 I BRACKET CAPACITOR 28480 I PAD RUBBER BOTTOM COVER 28480 1 HINGE DOOR 28480 I PANEL INNER 28480 I BKT P C B 28480 I CHAS LARGE 28480 I BKT PCB 28480 I PLT N...

Page 190: ...0 1 CONNECTOR RF BNC FEM SGL HOLE RR 50 OHM 28480 FRONT PANEL lPPS BNG CONNECTOR 1 NUT SPCLY 15 32 32 THD 1 IN THK 562 WD 00000 3 SCREW MACH 8 32 312 IN LG PAN HD POZI 00000 2 SCREW MACH 8 32 375 IN LG PAN HD POZI 00000 3 PLASTIC SWITCH CAPS 28480 2 GASKET BATT 28480 1 BRACKET BATTERY 28480 1 TOP COVER ASSY OLIVE GRAY 28480 1 PNL UPPERDRESS PANEL OPTION 003 28480 1 WINDOW CLEAR 28480 1 LOWER DRESS...

Page 191: ...O 6 141 IN ID 28480 WASHER LK INTL T NO 6 141 IN ID 28480 WASHER LK INTL T NO 6 141 IN ID 28480 1 RELAY lC 18VDC COIL 3A 3VDC 28480 2 HEAT SINK 28480 1 TRANSISTOR NPN 2N6055 SI DARL TO 3 04713 2 TRANSISTOR NPN SI PO 350MW FT 300MHZ 04713 TRANSISTOR NPN SI PD 350MW FT 300MHZ 04713 3 RESISTOR 13 3 lX 125W F TC 0 100 03888 RESISTOR 13 3 IX 125W F TC 0 100 03888 RESISTOR 13 3 IX 125W F TC 0 100 03888 ...

Page 192: ...A BLK BTN 82389 1 1OMHZ MULTIPLIER 1 PPS OUTPUT 284S0 BOARD ASSEMBLY SERIES 2340 1 HEAT SINK TO 5 TO 39 CS 284S0 18 CAPACITOR FXD 1UF 20 50 lDC CER 284S0 2 CAPACITOR FXD 01UF 20 100 lDC CER 284S0 CAPACITOR FXD 1UF 20 50 lDC CER 284S0 2 CAPACITOR FXD 220PF 5 200VDC CER 284S0 CAPACITOR FXD 1UF 20 50 lDC CER 284S0 CAPACITOR FXD 1UF 20 50VDC CER 284S0 CAPACITOR FXD 01UF 20 100 lDC CER 284S0 CAPACITOR ...

Page 193: ...TRANSISTOR PNP SI PO 300MW FT 850MHZ 04713 2 TRANSISTOR NPN 2N3866 SI TO 39 PD 1W 3L585 TRANSISTOR NPN 2N3866 SI TO 39 PD IW 3L585 TRANSISTOR PNP SI PD 300MW FT 850MHZ 04713 TRANSISTOR NPN SI TO 18 PD 360MW 28480 TRANSISTOR PNP SI PD 300MW FT 850MHZ 04713 TRANSISTOR NPN SI TO 19 PD 360MW 28480 TRANSISTOR NPN SI TO 18 PD 360MW 28480 12 RESISTOR lK 1 125W F TC 0 l00 24546 RESISTOR lK 1 125W F TC 0 1...

Page 194: ...STUD SGL TUR PRESS MTG 28480 1 TRANSISTOR NPN 2N5877 SI TO 3 PD 150W 04713 1 TRANSISTOR PNP 2N2907A SI TO 18 PD 400MW 04713 1 RESISTOR 25 5 3W PW TC 0 90 28480 RESISTOR 500 1 125W F TC 0 l00 24546 RESISTOR 10K 1 125W F TC 0 l00 24546 RESISTOR 500 lX 125W F TC 0 l00 24546 1 RESISTOR 200K 1 125W F TC 0 l00 24546 RESISTOR 100 lX 125W F TC 0 100 24546 RESISTOR 10K IX 125W F TC 0 100 24546 RESISTOR lK ...

Page 195: ...S1G 7 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 IC GATE TTL LS EXCL OR QUAD 2 INP 01295 7 IC CNTR TTL LS DECO SYNCHRO 01295 IC CNTR TTL LS DECO SYNCHRO 01295 IC CNTR TTL LS DECO SYNCHRO 01295 IC CNTR TT...

Page 196: ... 3 RESISTOR 2 15K lX 125W F TC 0 100 24546 RESISTOR 2 15K lX 125W F TC 0 100 24546 RESISTOR 2 15K lX 125W F TC 0 100 24546 NETWORK RES 8 SIP100 0K OHM X 4 01121 3 SWITCH PB SPST NO MOM 25A 125VAC 28480 SWITCH PB SPST NO MOM 25A 125VAC 28480 SWITCH PB SPST NO MOM 25A 125VAC 28480 1 IC GATE CMOS 74HC AND OR 2 INP 03445 1 IC GATE CMOS AND QUAD 2 INP 28480 1 IC FF CMOS 74HC D TYPE POS EDGE TRIG 28480 ...

Page 197: ...ON ELECTRONIC CORP WAKEFIELD 24546 CORNING GLASS WORKS BRADFORD BRADFORD 27014 NATIONAL SEMICONDUCTOR CORP SANTA CLARA 28460 HEWLETT PACKARD CO CORPORATE HQ PALO ALTO 3L585 RCA CORP SOLID STATE DIV SOMERVILLE 32997 BOURNS INC TRIMPOT PROD DIV RIVERSIDE 33095 SPECTRUM CONTROL INC FAIRVIEW 52763 STETTNER ELECTRONICS INC CHATTANOOGA 56289 SPRAGUE ELECTRIC CO NORTH ADAMS 72136 ELECTRO MOTIVE CORP FLOR...

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Page 199: ...ed pages or modify existing manual information as directed in the MANUAL UPDATING CHANGES pages Contact the nearest Hewlett Packard Sales and Support Office listed at the back of this manuai if the change information is missing 7 7 Older Instruments 7 8 To adapt this manual to older instruments having a serial number prefix lower than 2636A with the exception ofinstruments with serial numbers 2624...

Page 200: ...2A see Table 7 1 make the following changes 7 2 Page 4 24 Paragraph 2 215 Delete eighth sentence in paragraph which reads Resistor R59 limits the gain of transistor Q4 to approximately four Replace Figure 4 39 A6 Frequency Output Assembly Block Diagram with Figure 7 1 Page 4 25 Paragraph 4 218 Modify last sentence in paragraph to read The 1 MHz output of Q8 is also coupled to emitter follower QIO ...

Page 201: ... 1902 3301 CD 5 Description DIODE ZNR 34 8V 5 DO 35 PD 4W Mfr Code 28480 Mfr Part Number 1902 3301 Change A2Q1 from 1854 0611 to 1854 0063 CD 7 Description TRANS1STOR NPN 2N3055 S1 TO 3 PD 115W Mfr Code 3L585 Mfr Part Number 2N3055 Change A2R4 Qty from 5 to 4 Change A2R8 from 0698 6360 to 0757 0279 CD O Description RES1STOR 3 16K 1 125W F TC 0 100 Mfr Code 24546 Mfr Part Number C4 1I8 TO 3161 F Pa...

Page 202: ...HP 506lE Manual Changes 7 4 FL1 J8 J5 J7 J4 J3 J2 J1 J6 Figure 7 2 A6 Component Locator Series 2612 Revision A Scans by ArtekMedia 2011 ...

Page 203: ...R T1 AC INPUT RED J rRECTIFIER XA2 XA2 5 7 I I 1 7 7 Cll I 0 lUF I I I I AC INPUT R ED s Sf XA2 S I HP 5061B Manual Changes WAVE CLIPPER CR3 34 8V Figure 7 3 A2 Schematic Diagram Backdating Series 2612 7 5 Scans by Artekmedia 2011 ...

Page 204: ...THIS PAGE LEFT BLANK SCANS By ArtekMedia Scans by ArtekMedia 2011 ...

Page 205: ... AN EXTERNAL AC POWER SOURCE CONTACT WITH THESE CIR CUITS CAN CAUSE INJURY TO PERSONNEL OR DAMAGE EQUIPMENT UNITS EQUIPPED WITH STANDBY POWER SUPPLY PART OF 003 WILL HAVE DC VOLTAGES EVEN WITHTHEACPOWER CORD REMOVED FROM THE 5061 B PROCE DURES CALLING FOR THE REMOVAL OF PRO TECTIVE INSTRUMENT COVERS SHOULD BE ACCOMPLISHED ONLY BY QUALIFIED TECHNI CAL PERSONNEL WARNING I WHEN THIS INSTRUMENT IS CON...

Page 206: ...N ARE TYPICAL REFERENCE DESIGNATIONS REFERENCE DESIGNATIONS WITHIN ASSEMBLIES ARE ABBREVIATED ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTION ASSEMBLY A25 A25Al NO PREFIX AB9REVIATION C1 CR1 J3 COMPLETE DESCRIPTION A25Cl A25A1CR1 J3 Assembly Stk No Assembly Series No Assembly Assembly i ncludes o425A1 used to document Number Name A ssembly changes A A25POWER SUPPLY ASSY 05100 6007 SER...

Page 207: ...05V cm 0 1 Ils cm O IV cm 0 5 Ils cm 0 2V cm 5 ms cm V MODE to LOOP OPEN OSC FREQ XlO 10 at 300 G 5V cm 2 ms cm 0 05V cm 2 ms cm MODE to LOOP OPEN OSC on cesium peak 50618 Normal operation unless noted lV cm 0 1 Ils cm 50n Term at scope 20 mV cm 5 ms cm OSC FREQ XlO 1o set to 300 MODE to LOOP OPEN o 0 2V cm 5 ms cm 4D 0 05V cm 5 ms cm Scans by Artekmedia 2011 ...

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Page 209: ...OSI J13 J16 A5 A12 R8 A10A1C1 R7 A7R17 A160S4 J5 AMBER J7 S5 Figure 8 3 Front Panel and Top Internal Views R3 M1 51 J1 J9 A16 Scans by Artekmedia 2011 ArtekMedia Digitally signed by ArtekMedia DN cn ArtekMedia o ArtekMedia com ou email manuals ArtekMedia com c US Date 2011 04 13 21 31 06 05 00 ...

Page 210: ...1 4 J1 8 F2 S3 0 0 G 0 0 0 11 I J11 J2 J1 5 J12 J19 F3 F1 J20 A5 A11 C9 C10 L1 T1 Q1 CR3 A17 l2 R9 A3 C5 R10 A8 R42 R39 BT1 OPTION 003 ONLY Figure 8 4 Rear Panel and Bottom Internal Views Scans by ArtekMedia 2011 ...

Page 211: ...l 1 J3 W4 5MHZ TO A 13J2 BUFFER AMPL A3 MULTIPLIER RIO 14 7K W5 P3 WHT ORG L __ B L U__ TO A IT 13 I MULT I RED 18 7V R f FROM A 17 44 W R WHT RED BLK BRN WHT RED IS 7V D P2 L2 4MH FROM AI7 53 IV 25V TO 33V W H T R E D B LO U __ i 24V W28 S2B FROM AI7 41 AIO EFC PI 15Y EFC TO A17 17 WHT BRN M OSCILLATOR 7 L 1MODEI i S2 FROM A 17 43 FREQUENCY DIVIDER AC ERROR I TEST PHASE DETECTOR J I SIGNALS OUT S...

Page 212: ...J3 18 7V FROM AISIIS RED A6 FREQUENCY OUTPUT J2 1100KHZ I J9 J4 WI9 J7 IIOMHZ I JI6 IMHZ JS A5W5 Je WIS r I IOMHz I L _____ J JII 18 7V FROM A1714S RED OS061 6157 J4 2 WHT BlK WHT BRN ORN RED RED RED 18 7V TO AI7 43 44 4S1 TO A6 BLK BLK BLK WHT WHT BTl BRN RED ORN YEL RED At7lRI3 I I R7 I BEAM I ADJ UST I C6 47 F YE 56 2K GRN L A17 35 I OPTION 003 I L _Cw RRE 0 L _________ STAN 0 0 5 SUPP _ _ _ _ ...

Page 213: ...50 Lsec div V 1V div I 4 6 Normal operation H 0 5 Lsec div V 1V div IC3 8 IV IC4 not operating H 1 Lsec div V IV div Q3 c H 0 2 Lsecdiv V 1V div input pulses to divider with input gate disabled R or IC3 12 shorted to chassis Strobe line IC4 1 Normal operation H 0 5 Lsec div V IV div o TPl Normal operation H 0 5 Lsec div V IV div o IC3 8 Normal operation H 0 1 Lsec div V 1V div PIO Figure 8 7 Part ...

Page 214: ...R107 108 J3 W GRN J1 W GRY Scans by ArtekMedia 2011 ...

Page 215: ... II 61 NC 12 5V Ji I 2 4 8 IC2 102 5V 8 1820 1251 8 I Pfl_ 2 T 4 _E _ DE Jh 4 10 3 II I I rh XRIII J ONE SHOT 1 SEE NOTE AJ II C2 250 RI7 10K 5V I RIIO 9 4 5 14 C52 R20 I Ol u F 1000 YC r STROBE V JUMPER RI12 XRI09 5V 8 R23 10K R24 10K 5V R25 lOt XRII5 tl NC NC 6 5 19 12 8 12 2 4 8 104 IC6 1820 1251 PRESET DECADE I 2 4 8 4 10 3 II I R26 10K 5V RII4 XRI16 RI13 5 NOTE A IF IC4 IS REPLACED C2 MUST BE...

Page 216: ... loop not locked o cilloscope DC coupled 5061B Normal operation unless noted fl 5V cm 0 2 J ls cm AC Coupled 4J 2V cm 0 05 J ls cm AC Coupled AlYI Disconnected 0 1V cm 0 1 jis cm 5V cm 0 05 J ls cm AC Coupled 1V cm 2 jis cm Phase loop locked 0 5V cm 0 1 jis cm Scans by ArtekMedia 2011 ...

Page 217: ... 2000 R97 200 R96 68 C25 1200 C27 OlliF 3V S 7V R64 6800 CR33 7 5V R66 10K R68 3000 R70 1000 6 V 022 1854 0092 R75 100 SAMPLE DRIVE R76 2000 C42 01liF R86 10K R87 1000 R93 100 026 1854 0092 12 63MHz OUTPUT AMPLIFIER R94 2000 R98 200 I I I I I I I I I I I I TO JI5 NOTES REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY ARE ABBREVIATED ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTION 2 UNLESS ...

Page 218: ...ms cm DC Coupled Line Voltage 115 Vac G A2F1 Charging Current 100 mA cm 2 ms cm Continuous Operation LED ON Battery LED OFF 0 VOLTS 0 mA Measured with clip on milliammeter and oscilloscope Line Voltage 115 Vac 1 0mA APPROXIMATELY 1400 mA o A2F1 Discharge Current Continuous Operation LED OFF Battery LED FLASHING Measured with clip on milliammeter and oscilloscope Scans by ArtekMedia 2011 ...

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Page 220: ...7V o 4 JvV r 3 ____ 4 R6B 10K 3 4 CR4 R14 464K R7A 10K R7B 10K 8 R7D 10K 6 7 6 R7C 10K NC 3 3 XA17Jl BTlPI I I T Rm 101 3 I RED A17 55 I I I I I I T RED IO 1 BLK AI7 52 L BTl T REFERENCE DESIGNATORS A2 ASSY CI C3 CRI CR6 F1 Kl 01 03 RI RI4 TPl 2 Ul 2 3 ASTERISK INDICATES FACTORY SELECTED COMPONENT AVERAGE VALUE SHOWN 4 RELAY SHOWN IN DE ENERGIZED POS ITION 5 MOMENTAR ILY CONNECT TPI AND TP2 TO DIS...

Page 221: ... E5 CS R6 C5 014 C17 L8 C s C 7 C42 if OS C45 Tl R14R3CJ3 RU CR1E2C0242R21 L9 C36 Q E4 C L 4 8 6 C52 R19 L5 C 2 8 L C 39 R32 C54 R21 C3 C5 Q R18 D38 H2 CR2 R1S R24 tl6 33 L16 C48 R37 05 3 C 6 R 11 CA CJt Rl6 C20 S i E3 8 ColO R35 cijj l S4 9 E 1 03 J 123 Fl Q J CR7 0 f R4 CJO L6 R29 C35 C47 eR9 R36 R31 o C37 L21 I FL2 C53 J Cl 1 FLl L1 A3Wl A4Pl a 0 0 6 00 I 8 01 l l j j a j a a j 0 rt I a d oo 01...

Page 222: ...MPLIFIER 1 lCI3 11c20 r C7RV5 BO 300mVp Pl 1000 0IUF 100UF LI6 SINE WAVE I E 180 I Tg o 1 6 IC2 C ll m r r I I IB 7V FROM A17 441 I l bI TI 0IUF I IV RMS 50n I OAD _ J3 100UF _ _ I _ _ _ _ _ FC lo L 5MHz I I b7K C7 1 TO I I 260 I 1AMPLIFIER AI3J2 I I __ r_ ________ ___________________________ ____ 1 3VRMS 50flLOAD I I 3R34 0 U4F 02 30 TO 90 MHz 90 MHz r jl t 2N708 MHz FILTER r CLASS C TRIPLER r FI...

Page 223: ... 5 25 CII 100 CR2 STEP RECOVERY DIODE I L _ _ _ _ _ 9192 63MHz CESI UM BEAM TUBE r I I I I t L L2 22 I I I I I I I CIO 5000l A4TPI BIAS T o 01 1853 0001 REGULATOR I 3 3 TO 7 6VDC I I I I L BLU MULT BIAS T TO A17 13 C9 5000 1 I 2 7 TO 1 2vDC NOTES I REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY ARE ABBREVIATED ADO ASSEMBLY NUMBER TO ABBREVIATION FOA COMPLETE DESCRIPTION 2 UNLESS OTHERWISE INDICATED A...

Page 224: ...HP 5061B Circuit Diagrams A5A4 _____ A5A3 A5A2 A5A1 PIO Figure 8 11 A5 Digital Divider Assembly 05061 6157 8 18 Scans by ArtekMedia 2011 ...

Page 225: ...12 10 3 1 REAR 12 10 3 18 7 Vdc IN TO A16 1 PPS OUT CLOCK DISPLAY 12 Vdc NC GROUND Scans by Artekmedia 2011 ...

Page 226: ... ABBREVIATEO ADD ASSEMBLY NUMBER TO ABBREVIATION FOR CJMPLETE REFERENCE DESIGNAnON 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPAC ITANCE IN FARADS INDUCTANCE IN HENRIES REFERENCE DES IGNATIONS A5A I ASSY C I 19 CR I I I E 1 2 J 1 4 0 IUR28 500 12 TO ASA3 12 L 1 4 C9 T 220P V JI V I A A5A4 TTL LEVEL P I 0 1 14 R 1 30 UI MA 3 4 4 L _ K 09 TO J 13 FRONT PANEL IOV PULSE TTL LEVEL CR I I I I I P...

Page 227: ...TERMINAL 2 5 Vdc TERMINAL 1 GND 12 10 12 10 3 3 REAR Scans by Artekmedia 2011 ...

Page 228: ...5 VCC RI RiO 16 lOOK CR3 46 4K VREF t 1 C5 C6 3 3U NON INV 00 1U 9 INV COMP COMPENSATION U2 SHUTDOWN CI C2 2 13 MODULATED PULSE OUTPUT EI E2 I 14 RT CT GND l7C4 GiR 10K 0047U 8 CLOCK FREQUENCY 15 25kHz TERMINAL 2 HP 5061B Circuit Diagrams t 5V PIO L3 PI 5VDC REGULATED 7 o TO A5A3 10 75U T I IC7 1 C9 VIA A5A4 T OOP 220U _____ J NOTES REFERENCE DESIGNATIONS WITHIN THIS ASSE BLY ARE ABBREVIATED ADD A...

Page 229: ...12 10 12 10 S1 P1 3 3 REAR Scans by Artekmedia 2011 ...

Page 230: ... He 4 4 T C 1 COMMON d l 8 5V I I I 5000 9n NC IlL I H 10 L f 2 H II f __ 12 1 NO Ifj L NC 4 H 7 0 _ COWMo 13 1 a 5V I 19h NC 5000 IlL I H 10 L h 2 H11 f __ 12 L we THUMBWHEEL SWITCHES CI CRI 2 P QI 2 R1 19 SIA G UI 21 XSIA G Iu Y J J I lu lu J 1 IU2 J 1 THUM WHEEL DETECT S IA G TRUTH TA E COWMON CONNECTED TO TERWINAL II 8 6 3 II 9 6 3 II 9 fj 3 II 8 6 S READOUT BCD IEIGHTS 4 SVM80L I 2 8 U9 UI2 U...

Page 231: ... OF DAY CLOCK IPPS DELAYED b GND I I GND fl NC NC fl NC I 18V 10 MHZ TTLl I J2 I SYNC SIGNAL IPPS TO TIME OF DAY CLOCK IPPS DELAYED GND 5V Iev 10 MHZ TTLl I J3 I SYNC SIGNAL IPPS TO TIME OF DAY CLOCK IPPS DELAYED GND f BLK WHT GRN GND I BlK IWHTIYEl GND iP 5V 9 f r NC fl NC I 10 MHZ TTLl I I I I I I I I I I I I I I I I I I I IBLK WHT IGRN I BLK WHT IYEL IBLK WHT 0 I I S SYNC WITCH A551 Figure 8 14...

Page 232: ...J6 FL 1 J8 Scans by ArtekMedia 2011 ...

Page 233: ... 1 j V V V 8 A6J5 IV crn 0 5 j ls crn no load A6A1T1 4 1 A6A1T1 51 0 VOLTS 0 VOLTS 0 VOLTS 0 VOLTS f A6AIUI 1l IV crn 0 05 j ls crn with 50 0 load at J7 or J8 o A6AIU3 9 1V crn 2 j ls cm o A6JI IV crn 0 5 j ls cm into 50nload f J I I i V V V o A6J2 IV crn 5 j ls crn into 50 0 load 0 VOLTS 0 VOLTS 0 VOLTS Scans by Artekmedia 2011 ...

Page 234: ... J I I I I TO ASJ4 1 0 TO J10 0 H TO J9 HP 5061B Circuit Diagrams NOTES 1 REF RENCE DESIGNAT I ONS WITHIN TI IS ASSEr f3L Y ARE ABBRE VIATED ADO ASSEM3LY Nu t lER TO A BBREVIATION rOR C I oFLETE DESCRIPTION 2 UNLESS OTHERW ISE INDICATED RESISTANCE IN 01 15 CAPACITANCE IN PICOfARADS INDUCTANCE IN MICROHENRIES 3 SEE TEST POINT 2 PAGE 8 3 F OR WAVEF ORM REF RENCE DES I GNATORS A6 ASSY A6AI ASSY ru CI...

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Page 236: ..._ ITST _ _ _________ __ ______ _ _ ______ _ _ ______ _ _ ______ _ _ OUTPUT Q8 1854 0003 rP n 7 1 03 _ 04 l____R 2 9 ell 4700 047IJF 7 2ND HARMONIC AMPLIFIER J2 r i274HZ MONITOR POINT 1 Fl 5J 1 100 I SEE NOTE 6 J3 W8G 2ND HARMONIC SIGNAL TO LOGIC CIRCUIT AI4 15 I IWHT IBRN NOTES 1 REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY ARE ABBREVIATED ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTIO...

Page 237: ...R21 05 CR3 C8 C21 R46 R38 CI4 R28 R26CI3 R27 CR5 R25 CR4 R22 RI7 C11 C7 RI4 RI3 RI2 R1G18 Q4 RI6 C6 03 fig C4OCQ RJI RI5 00 RIO R9 C5 R8 R7 R3 Q2 C2 R6 QI R5 RI C3 o O 5V crn 2 rns crn 5V crn 2 rns crn TOW R 5V crn 2 rns crn 5V crn 2 rns crn O 005V crn 2 rns crn o O 05V crn 2 rns crn O 005V crn 5 rns crn No ac error input at A8J 3 Oscilloscope D coupled 5061B Normal operation unless n oted Scans b...

Page 238: ...MATCHED PAIR REFERENCE DESIGNATIONS ABA1 AB CI 29 CRI 7 EI 2 JI 6 01 13 RI 54 TI A8 TABLE OF ACTIVE ELEMENTS REFERENCE DESIGNATOR HP PART NO MFG PART NO QI 3 8 12 1854 0541 SAME Q4 7 1854 0005 2N708 CRI 2 6 7 1901 0033 SAME CR3 5 1901 0040 SAME CI2 9 CI3 R26 OllJF 390 Ii FREO DIVIDER BY TWO R30 1500 n 7 R31 1500 n 7 R42 50K PHASE SHIFTER R4B 51K 1 37HZ 5 6F I J5 1 t ATlON SIGNAL TO T I MULTIPLI ER...

Page 239: ...J2 Scans by Artekmedia 2011 ...

Page 240: ...R3 15V P2 I J I IK CR4 15V R4 1 21M OC SIGNAL FROM PHASE DETECTOR H r lNV _f __r 2 4 OUT A8J6 TP2 NOTE 1 A9 OPERATIONAL AMPLIFIER HAS A HIGH IMPEDANCE INPUT A9Jl AND THEREFORE IS SUSCEPTIBLE TO LOADING BY TEST EQUIPMENT CONNECTED AT THIS POINT MAKE ALL VOLTAGE MEASUREMENTS AT A9 OUTPUT I e TEST POINT A7TPI CONTROL h1 L CWHT BLK CRI CR2 6 R8 15V 150 15V 3 15V C5 WHT IBLU P O J2 _ _ _ _ _ _ 1 HP 506...

Page 241: ... TO A10A3 H8141 SECURE A10A3 TO MP5 A10A3 MP6 MP1 Pia Figure 8 19 A10 Oscillator Assembly 05061 6189 8 34 A10U1 FASTENED TO MP5 WITH H13 H12 H11 SERIAL NUMBER LABEL A10A2 R11 VALUE LABEL H5 1 CAPTURED LOCK WASHER r Scans by Artekmedia 2011 ...

Page 242: ...vider Amplifier Assembly 05061 6199 A10A3 Power Supply Assembly 05061 6198 CD Vert 5V div Horiz 50 ns div CD Vert 2V div Horiz 50 ns div CD Vert 2V div Horiz 50 ns div CD Vert 1V div Horiz 50 ns div CD Vert 5V div Horiz 50 ns div CD Vert 5V div Horiz 50 ns div Scans by ArtekMedia 2011 ...

Page 243: ...4 CHASSIS CONNECTION MADE 8Y AIOA2 MOUNTING SCREW 5 DC CONTROL VOLTAGE CAN RANGE BETWEEN 5Vdc AND 5Vdc DEPENDING ON THE FRECUENCY DIFFERENCE BETWEEN THE CESIUM RESONANCE AND THE APPLIED MICROWAVE SIGNAL SYNTHESIZED FROM THE AIOAI 10MHz OUTPUT ALARM LEO IS SET TO TURN ON AT 4 5Vdc NOMINAL AND 4 5Vdc NOMINAL REFERENCE DESIGNATIONS NO PREfIX AIOAI AIOA2 AIOA3 RIO C1 13 C1 7 CRI 2 CR 1 3 JI 4 6 9 JI 2...

Page 244: ...R40 R2 8 11 3 06 CR4 e1l CR 1 CRa R14 Jl Scans by ArtekMedia 2011 ...

Page 245: ...H PERf ORMlI NCE TuBE OPT 004 MEASUREMENT NORMAL J DUR ING NORMAL DUR ING POIN T OPERATION In AN ON OPEf lATION TUR J CN u211 2 8V 1v 2 5v 2 BV 2 7V 2 5V 2 1 v 31 vp_p 5 vp p vp p vp_ p U311 Ov 0 0 ov 2 6 1V 15 01 1 7 4 V 15 0V 1 1 3 6v S 93v 1 8V In tS 7V 16 7V 16 7V 16 7V I U4 1 l _ 2 3V I l V 2 6Y 15 5v 3 6v 6 V 9 5v 17V I i300 r IO K I 1 1 9K I i ISV i r II I I R8 22 5R 4 I I I _ __ _ _ i I 2 ...

Page 246: ...CII R20 C7 RI4 C5 W G V C2 RII 01 C2 R3 R5 R CI RI R22 CI3 LI CIO C4 CRI RIG R7 RG R4 C3 RI2 R9 RI7 C9 RIO RB TI 0 o 0 5V cm 0 2 J ls cm 2VIcm 0 2 J ls m 5V cm 0 2 J l I cm T rminate A13J3 into 50n load 0 5V cm 0 2 J ls cm Terminate A13J3 into 50n load Scans by ArtekMedia 2011 ...

Page 247: ... i f e REAR PANEL I J6 CI3 R25 2 2lJF 3900 L _ 1 1II 4 y I r oIY_ 1 _J _7 2 _7 V TO AI7 15 58 0 1 1 T 5HiJ CI2 01lJF I GRA 1 1 I 11 RI91R21 750 82 _ J I I I HP 5061B Circuit Diagrams NOTES I REFERENCE DESIGNATIONS WITHIN THIS ASSEMBLY ARE AB8REVIATEO ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLI TE DESCRIPTION 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPACITANCE IN PICOFARADS INDUCTANCE IN...

Page 248: ...13 CR20 CR10 R60 CR13 R54 CR12 RSS R5S 0 24 020 R15 C7 R12 C5 C1 R4 C11 01 R1 CR19 023 R70 R69 R6S SCR1 R63 019 CR14 C22 CR1S RSB 022 NOTES 1 REFERENCE DESIGNATIONS WITH IN THIS ASSEMBLY ARE ABBREVI ATED ADD ASSEMBLY NUMBER TO ABBREVIATION FOR COMPLETE DESCRIPTION 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPACITANCE IN PICOFARADS INDUCTANCE IN MI CROHENRIES 3 ASTERISK INDICATES SELEC TED CO...

Page 249: ...V CI8 4 0V 4 7 1F AlAR R31 33K B 7V R26 33K R29 2000 cw R27 BAl 1000 CI3 e R30 R33 13K R3S 470 R40 R38 CR6 10K 13K fll OV C20 CR7 4 7 1F 5 7V 4 7V 4 2V R43 lOOK R36 3300 l l O lF R28 2000 11K DIFFERENTIAL AMPI IFIER R46 RS3 20K RSO 20K ISOK FUNDAMENTAL TRIGGER R54 2400 OOIV 4 7V CRI4 CRIS R60 lOOK RS8 5100 I C22 I O IF B 7V R68 10K HP 5061B Circuit Diagrams l 6 WHT Y E L G Y 1 t m7 WHT AI6JI S7 I ...

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Page 252: ...A16 LED DISPLAY ASSEMBLY STANDARD COMPONENT SIDE CIRCUIT SIDE Scans by ArtekMedia 2011 ...

Page 253: ... TO ABBREVIATION FOR COMPLETE DESCRIPTION 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPACITANCE IN FARADS INDUCTANCE IN HENRIES 3 A16 CLOCK DISPLAY ASSEMBLY HP PART NO 05061 6178 FOUND IN OPTION 003 UNITS ONLY 4 A16 LEO DISPLAY ASSEMBLY HP PART NO 05061 6179 FOUND IN STANDARD UNITS ONLY REFERENCE DESIGNATORS TABLE OF ACTIVE ELEMENTS A16 ASSY DS2 3 JI R2 3 REFERENCE DESIGNATOR DS2 DS3 HP PART...

Page 254: ...A16 CLOCK DISPLAY ASSEMBLY OPTION 003 COMPONENT SIDE CIRCUIT SIDE Scans by ArtekMedia 2011 ...

Page 255: ...OUND IN OPTION 003 UNITS ONLY 4 AIS LED DISPLAY ASSEMBLY HP PART NO 8 061 6179 fOUND IN STANDARD UNITS ONLY REFERENCE DESIGNATORS AIS ASSY CI C3 RI R5 CRI CR2 SI S3 DSI oS4 Ul UI5 Jl J2 CaS CbS Ce6 Cd6 Co6 CI6 C 6 J 39 C 4 Cb4 Ce 32 7 C02 C92 C 3 Cb3 C03 Cd3 C 3 CI3 C 3 TABLE Of ACTIVE ELEMENTS REfERENCE HP PART NO MfG PART NO CESIONATOR OS2 4 1990 1923 fI H 345 I OS3 19ge II 1 HLMP 3 UI 1821 3788...

Page 256: ...Scans by ArtekMedia 2011 ...

Page 257: ... I TO AI5 22 GROUND FROM R7 3 R8 5 FRG4 AI4 7 TO S7 2 I LOGIC RESET I FROM AI5 18 TO S7 1 I LOGIC RE SE T I FROo1 AI4 6 FROot A15 16 TO SIA 5 Ics OVEN I FROot AIIJI 2 TO AI4 3 FROot S2A 7 8 MODE SWITCH TO AI6Jl 2 I CONTINUOUS OPERATION TO A4 Cl TO Al R3 FROot S2A 2 3 4 MODE SWITCH TO S2A 9 MODE SWITCH TO A1e 24V TO SIA 4 TO J18 EGAUSS J FROot A15 12 TO Al 2 V TO AI3 C1 TO AI6Jl l I ALARM I TO A2 2...

Page 258: ...ARE ABBREVIATED ADD ASSEMBLY NUMBER TO ABBREVIATION OR CCMPLETE DESCRIPTION 2 UNLESS OTHERWISE INDICATED RESISTANCE IN OHMS CAPACITANCE IN ARADS INDUCTANCE IN HENRIES 3 ASTERISK INDICATES ACTORY SELECTED CCMPONENT AVERAGE VALUE SHOWN RE ERENCE DESIGNATORS A15 ASSY Al8 ASSY CI C 7 8 CI C8 CR2 CRI 2 Ll Ql 2 Q4 6 8 RI R13 R3 Rll T1 22 25 26 A19 ASSY NO PRErIX 18 7V H C 4 WHT RED GRA 17 SV TO AIIJl 5 ...

Page 259: ...adjust dc voltage at A8Jl N Check CONTROL meter circuit press LOGIC 1 8 turn CONTROL meter while moving OSC RESET button moves a corres XlO lO control amount l______ Check fundamental from 200 to 300 Perform Loop Gain channel LED 30 adjustment using control ckts on or instructions in Logic Assy A14 50 paragraph 5 221 Return here when finished TroUbleshoot 0 _ Check MOD switch I r Phase Detector I ...

Page 260: ...oot Meter adjusts but between Pin 9 Resistance cesium oven cannot be set down T ground Should be I incorrect control ckt 1 Resistance correct to 25 approx value indi interconnecting cated on beam tube cables LCheck Pl7 J17 check continuity between Pl7 Assy A7 Not Adjustable to 25 nA Voltage ____ adjusts Check electron multiplier voltage EM at AI9 3 Voltage does not See para 5 257 EM voltage will b...

Page 261: ... paragraphs 5 202 through 5 223 See meter specs 15 bad meter Use RF Voltmeter I I Check 3500V line for leakage ok 35 f5 3 5V 4 3V Remove Check A3 to A4 Ch kl bl ec ca e___ ok Return to HP A4P2 r cable Troubleshoot con A3 A4 for repair Check No Synthesizer Assy Al voltage atA4P2 should be I Perform LF coil 3 rms Yes check para 5 176 BEAM I returns to normal or Retune A4 Will not retune Return A4 to...

Page 262: ... 20 allow the instrument to operate for 24 hours c If at the end of 24 hours the ION PUMP I indication has not dropped DISCONNECT HP 5061B FROM EXTERNAL AC POWER AND EXTERNAL DC POWER IF APPLICABLE WARNING I THE HP 5061B CESIUM BEAM FREQUENCY STANDARD DOES NOT HAVE A LINE SWITCH THE AC POWER CIRCUITS TO TRANSFORMER T1 AND DC OUTPUT VOLTAGES 3500 AND 2500 VDC ARE PRESENT WHEN THE 5061B IS CONNECTED...

Page 263: ...e for assistance h If after one minute the current indication is less than 5 milliamperes leave the 3500 Vdc supply A 2 connected and observe the current for 15 minutes The current should decrease slowly When the current indication is less than 25 microamperes switch off the 3500 Vdc power supply and disconnect the current meter 1 Reconnect and lock the plug to J4 j Apply operating power to the HP...

Page 264: ...tiple pin connectors NOTE If the cesium beam tube Is stored While removed from a HP 5061 B chassis and Its A4 Harmonic Generator has been removed the ground lead of the power supply may be securely attached to the tube case ground using a solder lug and 8 32 screw maximum length of 1 4 The screw can be threaded Into the tapped hole meant to secure the A4 microwave flange to the cesium beam tube b ...

Page 265: ...rli HEWLETT PACKARD 111111111111 111111111111 MANUAL PART NUMBER 05061 9078 PRINTED IN U S A Scans by Artekmedia 2011 ...

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