Wavetek 75 Instruction Manual Download Page 1

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Summary of Contents for 75

Page 1: ...trument operation and maintenance The information in this document may not beduplicatedinany mannerwith out the prior approval in writing from Wavetek WAVETEIQ WAVETEK SAN DIEGO INC 9045 Balboa Ave San Diego CA 92123 P 0 Box 85265 San Diego CA 92138 Tel 61912792200 TWX 91013352007 Manual Revision 2 89 Manual Part Number 1300 00 0366 Scans by ArtekMedia O 2006 ...

Page 2: ...done as follows 1 Typed text pages are typically scanned in black and white at 300 dpi 2 Photo pages are typically scanned in gray scale mode at 600 dpi 3 Schematic diagram pages are typically scanned in black and white at 600 dpi unless the original manual had colored high lighting as is the case for some 70 s vintage Tektronix manuals if you purchased this manual from us typically through our Eb...

Page 3: ... Communications Options 1 2 1 4 SPECIFICATIONS 1 2 1 4 1 Standard Waveforms 1 2 1 4 2 Operational Mode 1 2 1 4 3 Waveform Resolution 1 2 1 4 4 Sample Rate 1 2 1 4 5 Output Signals 1 3 1 4 6 Output Characteristics 1 3 1 4 7 Inputs 1 3 1 4 8 Trigger Sources 1 3 1 4 9 Communication Ports Optional 1 4 1 4 10 General 1 4 1 4 11 Options 1 4 SECTION 2 INITIAL PREPARATION 2 1 UNPACKING INSPECTION 2 1 2 2 ...

Page 4: ...Gated Mode 3 12 3 15 4 Toggled Mode 3 12 3 15 5 Burst Mode 3 13 3 16 SETTING AND CLEARING BREAK POINTS 3 13 3 17 SYNC ADDRESS AND PHASE 3 13 3 18 STORllVG AND RECALLING WAVEFORMS 3 13 3 19 CHAINED OPERATION 3 13 3 20 WAVEFORM COUNTER 3 13 3 21 WAVEFORM HOLD 3 13 3 22 RETURN TO START 3 13 3 23 LOW BATTERY INDICATOR 3 14 3 24 SERIES OPERATION 3 14 3 25 PARALLEL OPERATION 3 14 3 26 GPlB CONTROLS Opti...

Page 5: ... 30 2 BUFFR Soft Key 3 28 3 30 3 LOCAL Soft Key 3 28 3 30 4 HAND Soft Key 3 28 3 30 5 Control Knob 3 28 3 30 6 Baud Rate Switch 3 28 3 31 GENERAL RS 2326 INFORMATION 3 28 3 31 1 Characters 3 29 3 31 2 RS 2326 Terminators 3 29 3 31 3 Action and Parameter Commands 3 30 3 31 4 Action Commands 3 30 3 31 5 Programming Parameters 3 30 3 31 6 Sending Waveforms to the Model 75 3 31 3 31 7 Reading Waveform...

Page 6: ...uits 6 3 6 3 TROUBLESHOOTING GUIDES 6 3 6 3 1 Power Supply 6 3 6 3 2 Microprocessor and Main Memory 6 16 6 4 TROUBLESHOOTING lNDlVlDUAL COMPONENTS 6 20 6 4 1 Transistor 3 20 6 4 2 Diode 6 20 6 4 3 Operational Amplifier 6 23 6 4 4 Field Effect Transistor FET 6 20 6 4 5 Capacitor 6 20 6 4 6 Logic Levels 6 20 SECTION 7 PARTS LIST AND SCHEMATICS 7 1 DRAWINGS 7 1 7 2 ERRATA 7 1 7 3 ORDERING PARTS 7 1 A...

Page 7: ...viii Model 75 Arbitrary Waveform Generator Scans by ArtekMedia O 2006 ...

Page 8: ...Resolution Thewaveforms haveavertical resolutionof 4095 points and a horizontal resolution adjustable from 2 to 8192 points The waveform memory is broken up into four blocksof 2048horizontalpoints Thiscanbeusedasone waveform of up to 8192 points or as four different waveforms one active and three stored of up to 2048 points each 1 3 2 Crystal Controlled Frequency The waveform clock samplefrequency...

Page 9: ...ne inverse sine and haversine waveforms are provided Each of these waveforms can be stored into the waveform memorybetweenthumbtacks automatically and then edited with the waveform editing functions if desired 1 4 2 Operational Modes Continuous Output runs repetitively from the programmed start address to the programmed stop address Triggered Output quiescent until triggered by external signal or ...

Page 10: ... mV amplitude Impedance is 100 KR This signal input is used for the offset sample clock when the external ref is selected Repeatability 24 Hr 5 mV and 0 1O O of setting Temperature Coefficient 6 1 mV 150 ppm l C of setting 1 4 6 Outputs ARB Out 50R Source of primary waveform output Maximum amplitude is 5 Vp into 50R Output is fuse protected Sync Out TTL Will drive up to 10LSTTLloads This is a puls...

Page 11: ...150 200 300 600 1200 1800 2400 4800 9600 19 200 1 4 11 General Environmental Temperature Range 23 C 5 C for specifiedopera tion operates 0to 50 C 20 to 75 C for storage WarmupTime 20 minutesfor specified guaranteed for 1 year operation Vibration 5 to 55 Hz with maximum of 29 at 55 Hz Shock 309 11 ms half sine Altitude Sea level to 10 000 ft for operation Sea level to 40 000 ft for storage Relative...

Page 12: ... type and rating Line Voltage Refer to table 2 1 to determine the proper selection of the line voltage connector Unlessotherwise specified atthetimeof purchase this instrumentwas shippedfrom the factory with the power transformer connected for operation on a 115 Vac line supply and with a 318 amp fuse If the unit is shipped for 115 Vac operation there will be no markings or tags on the unit If the...

Page 13: ...rimary board Rotate the connector until the cor rect voltage selector indicator is on top 4 Reinstall the voltage selector connector 5 Removethe fuse and install new fuse as called out in table 2 1 Connector Voltage Position Range 90 to 128 Vac 318 amp Table 2 1 VoltagelFuse Selection 220V WARNING Because lethal voltages are exposed do not apply ac power to the unit until the guard plate is attach...

Page 14: ...intotop and bottom covers CAUTION When sliding on the bottom cover avoid movingthe ribbon cables located nearthe power transformer 5 Secure covers to unit using two screws as shown in figure 2 1 2 2 4 Signal Connections UseRG58U509coaxialcablesequippedwith BNCcon nectorstodistributesignalswhenconnectingthis instru ment to associated equipment NOTE Signal ground may be floated up to _t 42V withresp...

Page 15: ...pinconnections andsignal names are given in table 2 3 The panel connector is a DB 25 female connector see figure 2 7 and will con nect to a standard RS 232C cable interface type E The data format is an 8 bit no parity one stop bit The baudrate isselectable from those listed intable 2 5 using dip switch S1 figure 2 8 Table 2 3 RS 232 C Data InlOut 40 41 42 Remaining Pins Not Connected 43 Transmit D...

Page 16: ...res a or b should be used to ensure that the control and handshake signals are properly connected The handshaking method is front panel selectable as a If the Model 75 is configured as a DCE then CTSIDTR hardware or XONIXOFF seeparagraph3 32 for more information 1 Pin 7 signal ground is always connected straight through 2 2 8 Connecting the RS 232 C Interface Before connecting the Model 75 using t...

Page 17: ...cateswhether or not it is readyto accept data If the other devicedoes not havesuch a pin but is not always ready it can send XOFFs and XONs to indicate readiness When using this method or if the other device is always ready to accept data this IBM PC APPLE II WITH SUPER SERIAL CARD IBM PC IN COMMUNICATIONS MODE MODEL 75 MODEL 75 DCE APPLE II DB 25 FEMALE DB 25 DB 25 MALE MALE DB 25 MALE WAVETEK MO...

Page 18: ...l usingthe front panel controls Inorder toverify the operation of the controls and the functions1 modeslvaluesthat they control the generator must first beset upto producean output and then the effect of the controls on the output and the display indications noted While this procedure verifies functional operationof this instrument it does not verify the calibration Thevalues shown are typical val...

Page 19: ... the Model 75 as shown in figure 2 10 Set equipment controls as indicated in table 2 7 Display indicates ZLOGIC NEG or ZLOGIC POS Oscilloscope will indicate a dc level of 0 Vdc 1V with positive going pulses Oscilloscope will indicate a dc level of 2 4 6 8 10 12 or 14 Vdc with negative going pulses Oscilloscope will indicate a dc level of 14V _ 1V with negative going pulses Oscilloscope will indica...

Page 20: ...sweepto 1msIDIV Oscilloscope will indicateslightly morethan onecycle of the sine wave at approximately 10 Vp p Display will indicate ST 0000 SP 8191 Oscilloscope waveform start point will movefrom left to right until waveform disappears Display will now indicate ST 8191 SP 8191 Oscilloscopewaveform start pointwill movefrom right to left until waveform is complete Display will now indicate ST 0000 ...

Page 21: ...he Model75 rear paneltothefrequencycounter input Set frequency counter to frequency mode Press once Control knob Displaywill indicate SAMPL 1 0000MHz andcounter will indicate approximately 1 MHz Press once Rotate CW Rotate CCW Rotate CW until display indicates OFFSET 0 0 mV Press once Rotate CW until display indicates AMPL 5 000 Vp Rotate CCW until display indicates SAMPL 500 0 KHz Counter will in...

Page 22: ...p Press once PositionlOperation Rotate CCW until display indicates SAMPL 300 0 KHz Rotate CCW until display indicates SAMPL 100 00 KHZ Rotate CCW until display indicates SAMPL 10 000 KHz Rotate CCW until display indicates SAMPL 1 0000 KHz Rotate CCW until display indicates SAMPL 100 00 HZ Rotate CCW until display indicates SAMPL 10 000 HZ Rotate CCW until display indicates SAMPL 1 0000 HZ Rotate C...

Page 23: ...at instan taneous dc level and moves slowly to approximately 0 Vdc Display indicates H0LD ON Y 0000 OsciIloscopewaveformstartsagain Displayindicates HOLD OFFM Connect a coax cable from the TrL source output to the Return In connector on the Model 75 rear panel Oscilloscope indicatesthat waveform stopsat instan taneous dc level and moves slowly to approximately 0 Vdc Display indicates H0LD ON Y 000...

Page 24: ...tes MODE TOGGLED Press once Press once Press once Rotate CCW until display indicates BURST CT 3 Press once Rotate CW until display indicates MODE BURST Press once Press once Step 11 Cont 12 Connect the Model 75 as shown in figure 2 12 Set equipment controls as indicated in table 2 9 ControllSwitch Control knob Trigger Trigger Control knob Trigger Trigger F3 BLIRST Control knob F1 MODE Control knob...

Page 25: ...trigger signal I F2 TRSLP Oscilloscope displays one cycle of sine wave whose Press once This step verifies the Sync In functions of the Model 75 display indicates TRIG SLOPE NEG start iscoincidentwith fallingedgeof thetrigger signal Scans by ArtekMedia O 2006 Movethe cable from the Trig Inconnector to the Sync In connector Oscilloscope waveform runs continuously when the Sync In signal is low Wave...

Page 26: ...ntil display indicates REF INTERNAL Press two times Press once Rotate CW until display indicates FUIVC DC 1 F3 EXEC I Press once Connect the Model 75 as shown in figure 2 14 Set equipment controls as indicated in table 2 11 Oscilloscope CHI waveform is the same frequency and approximately the same amplitude as the CH2 waveform Z AXIS OUT IMODEL 75 I OSCILLOSCOPE Figure 2 10 Equipment Interconnecti...

Page 27: ...rigger Coupling AC Remaining Controls As Required TTL SIGNAL SOURCE MODEL 75 OSCILLOSCOPE 50Q 0 0 0 0 0 0 0 0 0 TRIG ARB IN OUT TTL Signal Source Frequency 200 Hz Function TTL Figure 2 12 Equipment lnterconnection 3 Oscilloscope CHI Vert Input 2 VIDIV CH2 Vert Input 2 VIDIV Vert Mode Alt Horiz Sweep 5 ms1DIV Trigger Source CH2 Trigger Mode Auto Trigger Slope Positive Trigger Coupling AC Remaining ...

Page 28: ...lloscope CHI Vert Input 2 VIDIV Trigger Source Ext 10 if avail Horiz Sweep 5 ms1DIV Trigger Mode Auto Trigger Slope Positive Trigger Coupling AC Remaining Controls As Required Oscilloscope CH2 Vert Input 2 VIDIV rn mo 0 0 O O O O O O O O 0 L 6 9 q ARB OUT Vert Mode Alt Horiz Sweep 2 ms1DIV Trigger Source CH2 Trigger Mode Auto Trigger Slope Positive Trigger Coupling AC Remaining Controls As Require...

Page 29: ...NING UNPLUGPOWEO CORD DANGEROUS VOLTAGES INSIDE SEE MANUAL FOO SAFETY IY9TFtllCTIOII Z A X I S o u t IEEE 488 600nI R e f R e f Hold R e t u r n I n O u t I n I n TTL TTLI TTL TTL Figure 3 1 Controls Connectors and Indicators Scans by ArtekMedia O 2006 ...

Page 30: ...eform count as will bediscussed below The front panel controls and connectors are shown in figure 3 1 and keyed boldnumbers to the following descriptions W T E K Arbitrar Waveform Generator FFtEl F ER RplFL 1 Liquid Crystal Display See figure 3 2 The lower row of this display will provide labels for the soft keys that are locateddirectly belowthe display Eachtime one of the menu keys is pressed th...

Page 31: ...F1 soft key will read DAMPL Digital Amplitude Pressing F1 allows adjust ment by rotating the control knob of the ampli tude of the portionof the waveform betweenthe thumbtacks without affecting the rest of the waveform To accomplish this the Model 75 digitally scales the Y values of the waveform points between the thumbtacks The top line of the display will indicate the amplitude of the por tion b...

Page 32: ...ead FREQ Waveform Frequency Pressing F1 allows the frequency to be set using the control knob The label for the F2 soft key will read PER Waveform Period PressingF2allowsthe period to be set using the control knob The label for the F3 soft key will read SAMPL Sample Frequency PressingF3allowsthe sam ple freauency to be set using the control knob Pressing the Parameter key a secondtime enables ampl...

Page 33: ...he EXCHGor CHAIN to be executed An X will be displayed in the top right hand corner of the display after EXEC has been pressed Pressing the Store key additional times will con tinuously cycle through the above options 6 Setup Key Each time the Setup key is pressedthe lower Iineof thedisplaywill change to indicate three different instrument setupoptions Thereare atotal of four different sets of thr...

Page 34: ...o paragraph 3 26 IEEE 488 or 3 30 RS 232 C for more information about these controls Pressing the Setup key additional times will con tinuously cycle through the above options 7 Control Knob Used to change the value or selec tion associatedwith the three soft key The top line of the displaywilldisplaythevalueor selection made by the control knob 8 Power Switch This switch turns the instrument On o...

Page 35: ...es The slope polarity TRSLP is settable 21 F1Key This is a soft key that allows selection of the optiondisplayed directly above it Thefunction of this key ischanged by the menukeys 3 4 5 and 6 The top line of the display will respond to this key being pressed 22 Communication Option Connector Either an IEEE 488connector an RS 232C connector or a blank cover plate will be mounted here depending on ...

Page 36: ...t andoutput con nectors are Connectors Impedance ARB Out 509 509 Sync Out lTL NIA Burst Done Out lTL NIA Ref Out lTL NIA Z Axis Out 6009 6009 Sum In 509 509 Trig In lTL 1OOkR Sync In lTL 100kR Ref In lTL 100kR Hold In lTL 100kR Return In lTL look9 3 4 INITIAL SETUP When power is turned on Model 75 will assume the in strument setupconditionsthat werepresentwhenpower was lastturnedoff If when power ...

Page 37: ...the waveform before using the ADJX Y function This isusefulfor editingthe waveform while the Model 75 isconnected to a system under test 3 8 3 8 INSERTING STANDARD WAVEFORMS Standard waveforms sine cosine haversine inverse sine triangle square ramp up ramp down dc are inserted between the thumbtacks using the FUNC soft key from the Edit menu When a standard waveform is inserted it will be at full ...

Page 38: ... Model 75 and oscilloscope controls as follows Model 75 Oscilloscope Setup Press 3 times VERT INPUT 2 VlDlV F2 RSET Press once VERT COUPLIIVG DC F3 EXEC Press once Edit Press two times HORlZ SWEEP F2 ERASE Press once 2 mslDIV F3 EXEC Press once TRIG MODE AUTO TRlG COUPI ING AC TRlG SOURCE EXTI10 TRIG SLOPEILEVEL As Required INTENSITY As Required by paragraph 3 5 3 The oscilloscope will now display...

Page 39: ...ADJX Y Press two 2 times Control Knob Rotate CW until the display indicates Y 2047 8 F3 L RTT Control Knob F3 L RTT Control Knob Edit F1 FUNC Control Knob F3 EXEC Press once Rotate CCW until the display indicates L 0410 Press once Rotate CCW until the display indicates R 0730 Press once Press once Rotate CW until the display indicates FUNC HAVER SINE Press once 9 Edit Press once F1 DAMPL Press onc...

Page 40: ...ter the stop address may be lost when moving the stop address 3 14 WAVEFORM PARAMETERS The Parameter menu allows changing of the fre quency amplitude offset and operational modes The following four paragraphs will discuss the frequency amplitude and offset parameters The operational modeswill bediscussed inparagraphs3 15thru 3 15 5 3 14 1 Waveform Frequency Period and Sample Frequency The waveform...

Page 41: ... front panel from the Trig In BNCcon nector on the front panel or via the optional GPlB or RS 232C interface Thepolarity s1ope that causes the waveform to runcan be set to either positive of negative by pressing the TRSLP soft key from the Parameter menu and turning the Control knob When the trigger slope is set to positive pressing the Trigger key or inputting a risingedgeonthe Trig In BNCwill st...

Page 42: ...g the RCALLsoft key fromthe Store menu Storing or recall ingawaveform eraseseither the stored waveform or the activewaveform respectively The EXCHGsoft key from theStoremenu canbeusedto exchangetwowaveforms without losingeither one Usethe EXCHGsoft key inthe same manner as the STORE and RCALL soft keys 3 19 CHAINED OPERATION The active waveform can be chained with the three stored waveforms to cre...

Page 43: ...ector is used as the mainout put Each of the Model 75 s can have independent waveform samplefrequencies ifdesired but if this is not necessary oneshould beusedas the master frequency reference Todothis connect the Ref Out connector of the master frequency reference to the Ref In con nector of all of the other Model 75 s and set them for external reference By doing this the one sample time jitter b...

Page 44: ...he displaywill thenshowthe labelsfor these soft keys 3 26 3 BUFFR Soft Key 3 For remotely operated units the BUFFR soft key from the SETUP menu will display the last 16 ASCll characters receivedby the GPlB interface Rotatingthe Control knob will scroll through the last 80 ASCll characters received by theGPIB interface Thisfeature can be used as a debugging tool for remote instrument programming 3 ...

Page 45: ...drivers Instruments on the bus may have talk and listen capabilities The talk capability allows a device to send data such aserror message readings outover thebus The listencapabilityallowsadeviceto receivedata such as device programming information from the bus The GPlB consists of 16 negative true signal lines as showninfigure 3 7 These 16linesinclude8bidirectional data lines 3 handshake lines a...

Page 46: ...s Line Definitions The 16 negative true GPlB signal lines are Dl01 Dl08 ATN REN DAV NRFD NDAC EOI SRQ IFC Data InlOut Lines Attention Remote Enable Data Valid Not Ready For Data Not Data Accepted End Or Identify Service Request Interface Clear The functions of the GPlB signal lines are Dl01 0108 These eight lines Data InlOut are used to send commands from the controller and to transfer data back a...

Page 47: ...lines Dl01 Dl08with ATN true universalcommands are usedto command a device to They are divided into five classes perform designated actions Universal commands are 1 Listen Addresses recognizedat all times Universalcommands performed 2 Talk Addresses by the Model 75 are 3 Secondary Addresses 4 Universal Commands DCL Device Clear SPE Serial Poll Enable SPD Serial Poll Disable LLO Local Lockout 5 Add...

Page 48: ...cter string Whenever the Model 75 is finished scanning a string the display will show the last parameter of the string andthecurrent statusof theGPlB interface If the EOI line is asserted while sending a character to the Model 75 the currently programmed terminator character will be put into the input string following the character with the EOI 3 28 MODEL 75 GPlB PROGRAMMING Thissection describes ...

Page 49: ... cancel F1E 2 Decimal point in exponent is ignored Since the number input format is so general the instru ment must be toldwhen the last numeric character has beenentered so it canevaluatethe number This isdone by programming either an alphabetic character a special character or aterminator character Whenthis is done the new value is rounded off and tested to see if it is a legal value for the set...

Page 50: ...ly finished processing all previous commands and any numeric input must be terminated priorto receivingthe character Thebest way to insure this is to send a terminator character typically LF anda GETtothe Model 75prior to the If the trigger cannot betolerated besurethat the Model 75 has had enough time to processes all previous commands before sending the If the beginning address or the word count...

Page 51: ...asthe same function as the START soft key The character P followed by a number programs the waveform stop address The valid stop addresses are 0 to 8191 This has the same function as the STOP soft key The character S followed by a number programsthe waveform SYNC address The valid sync addresses are 0 to 8191 This has the same function as the sync soft key The character M followed by a number prog...

Page 52: ... which is inserted between start and stop addresses FUNCTION CODE Sine wave co Triangle wave C1 Square wave C2 Ramp Up C3 DC C4 Ramp Down C5 Cosine C6 Inv Sine C7 Haver Sine C8 The character B followed by a single digit code between 0 and 4 selects the operating mode of the instrument This is the same as the MODE soft key MODE Continuous ODT BO Triggered B1 Gated B2 Toggled B3 Burst B4 The charact...

Page 53: ...H commands via the GPIB Turns trigger on must be followed by an H to turn trigger off See TRlGGERlNGlGATlNGCHART Turns trigger off must be followed by an J to turn trigger on See TRIGGERINGIGATINGCHART The characters XH followed by a 0 will turn the hold circuitry off allowing the waveform to continue The characters XH followed by a 1 will turn the hold circuitry on causing the waveform to stop at...

Page 54: ...i e fixed point floating point and exponential notation or scientific notation To reada messagefrom the Model 75 send the talk address withATN on over thebus The instrumentwill thensendthe messagecurrently selected bytheTalk Mode XT setting The last character of the Model 75 s messagewill be the cur rently programmed terminator character with the EOI line asserted Thecharacters XT followed by acod...

Page 55: ...nt is limited to twodigits and a or sign For example F3E 1sets the frequency to 0 3 Hz An asterisk following the character in the ASCII Character column indicates that this command will not affect the actual instrument setup until an execute character I is received by the Model 75 seeparagraph 3 28 5 3 29 ERRORS GPlB REPORTING When an illegal value is programmedor interdependent parameter errors a...

Page 56: ... Address Stop Address and Sync Address parameters Tests are made every time an execute I is given If no class 3 error is detected all scratchpad values are transferred to the instrument setup Must After Rounding Be 0 to 8191 2047 to 2047 5E 3 to 5 1 1 to 1 048 575 512 to 512 0 to 8191 0 to 1 0 to 4 5 1 to 5 1 0 to 100 0 to 1 0 to 255 20E 3 to 2E 6 0 to 8191 0 to 8 0 to 8191 0 to 8191 0 to 8191 0 t...

Page 57: ...fferent devices use many baudratesbutthe baud ratesof thetwodevices that are connected must be the same The Model 75 can be set to 14different baud rates rangingfrom 50 to 19 200as described in paragraph 2 2 8and table 2 4 Data signals over the RS 23242use a voltage of 3 to 25V to represent a zero also called a space and a voltage of 3 to 25V to represent a one also called a mark Handshakeand cont...

Page 58: ...isk to the left of the parameter indicates that an execute has not been sent The front panel display is externally programmed by sending any ASCII character between single or double quotes such as test string or test string The Model 75 is programmed by sending ASCII coded characters to the instrument seetable 3 2andAppendix A i h V IDLE 3 31 1 Characters There are 6 types of characters that can b...

Page 59: ...rol characters Toexaminethe current value of a parameter simplypro gramthe properalphabetic character F frequency etc To change a parameter value first send the alphabetic character which selects the desired parameter Next send the new value using numeric characters 0 through 9 E andi Dataentrycanbefixed Blank spaces are ignored Leading zeros are ignored 1 102 100 oi lo4 loo 01 1O4 100 Last two ex...

Page 60: ...busandcanbeusedasa reference guidewhen sending commands to the Model 75 It describes each pro XOFF gramming character andwhich numeric characters are to be used to program parameter values When programming the Model 75 keep in mind that at initial power up the following remotesettingshavebeen XON defaulted Function ASCll Character Default Setting RS 2324 Interface Control Commands Causes the Model...

Page 61: ...nt Calibration Clear Breakpoint Hold Mode Offset Ramp Rate Ref SRQ Mode Sample Frequency 3 32 2 Class 2 Errors Must After Rounding Be 0 to 8191 2047 to 2047 5E 3 to 5 1 1 to 1 048 575 512 to 512 0 to 8191 0 to 1 0 to 4 5 1 to 5 1 0 to 100 0 to 1 0 to 255 20E 3 to 2E6 Class 2 errors are parameter conflicts or inconsisten ciessuch asABS 0FST peakamplitudegreater than 5 2V Tests are made every time a...

Page 62: ...set control converts the digital information from the microprocessor to an analog voltage and applies that voltage to the output amplifier The output amplifier sums the waveform and offset voltages and provides the final waveform amplification The output attenuator controls the waveform amplitude in 3 single decade steps and maintains the 50 ohm out put impedance 4 2 1 2 Waveform Address Counter R...

Page 63: ...ed by the 13bit binary number on the RAMaddress bus A12 AO Ifdata isto bewritten intothe RAM pin27 Write Enable is pulsed low If data is to be read from the RAM pin 22 Output Enable is pulsed low The chip select pin 20 must be low to enable any activity to the RAM The bus transceivers act as two way gates between the wave form memoryandthe microprocessor sdata bus When U16 pin 19 EN is high the tr...

Page 64: ... VALlD I I I I Figure 4 2A Two Consecutive Write Cycles to Waveform Memory I I A Y I I I I ARB RIW I 1 I A12 A0 VALID I VALlD I I I I I I RIW I A I I I AOE I I I I I I AD7 ADO VALID I I I I Figure 4 2B Two Consecutive Read Cycles From Waveform Memory NOT VALID Scans by ArtekMedia O 2006 ...

Page 65: ...versed ZBlT isclockedthrough thewaveform latch and sent to the Z Axis driver circuit ref schematic 0103 00 1456 sheet 3 The upper 12bits of each memory location contain the waveformdata Of these 12bits WBIT1 WBIT12 WBIT1 is the most significant and WBIT12 is the least signifi cant The microprocessor calculates the waveform Refer to schematic 0103 00 1456 sheet 3 The main components of the waveform...

Page 66: ...reference cur rent isdetermined bythe precision lO V reference at the reference out pin 4 applied to an internal reference resistor connected to pin6 The referencevoltage isalso applied to the internal bipolar offset resistor connected to pin 8 This adds a constant current to the DAC OUT equivalent to the half scale output current thus causing the net output current to be bipolar Resistors R31 and...

Page 67: ... offset as set by the user determine the attenuator range selected by the microprocessor The microprocessor then programs the amplitude controlto the appropriateattenuationwithin the range Ifthe value of the offset requires the output attenuator to be in the range of least attenuation and the amplitude isset below this range the amplitude control can cover a range of upto 1000 l Becausethe wavefor...

Page 68: ...sor addsadigital offset constant to the offset data ref Section 5 Calibration This constant allows the offset circuit to compensatefor the offset errorsthroughout the analog signal path and eliminates the need for an internal calibration adjustment 4 2 1 9 Output Amplifier Refer to schematic 0103 00 1456 sheet 4 The output amplifier provides the final waveform amplification and output drive for th...

Page 69: ...ingle decade steps The configura tion for these steps is shown in figure 4 6 The fuse F1 protects the internal circuitry from excessive current appliedto theoutput connector Thezener diodes CR20 and CR21 protect against excessive voltages 4 2 1 1 1 Shifted Logic Power Supply Refer to Schematic 0103 00 1456 sheet 4 The shifted logic power supply contains a 5V regulator VRl and a 15Vregulator VR2 Th...

Page 70: ... 11 and 12 The microprocessor serially shifts in 16bits of data on SERD using SERC to clock it in When all 16 bits have been shifted in PLLE is pulled high to enable the new data Of the 16 bits 14 program the divideby N and 2are present on U36pins 13and 14 SW1 and SW2 These 2 bits control the data selector U37 which selects either the VCO frequency VC012 frequency or VC014 frequency to be applied ...

Page 71: ...r and modecontrolconsists of three Dflip flops U24B U23Aand U23B andthe logic gates surrounding them This circuit iscontrolled by the mode information from the microprocessor and the trigger inputs both manual and external The mode control bits originating at the microprocessor are m GATE TGL and BURST These control lines are interfaced to this circuit from the control shift register ref schematic...

Page 72: ...pin 9 goes high and loads the burst count into the burst counters The output of the burst counter is STOPOK U2 1D pin 13 This line is held high until the selected burst count is reached While it is high TPOINT is stopped at U22C When the burst count is reached STOPOK is pulled low and the next TPOINT is allowed through U22C to stop the waveform clock The Burst Done Output U25B pin 4 issimply an in...

Page 73: ...ecoder main memory battery circuit front panel interface control shift register and output ports A descriptionof thefront panel is includedinthe front panel interface 4 2 3 2 Microprocessor Refer to schematic 0103 00 1389 sheet 2 The basic operation of the microprocessor can be described as address and either inputs or outputs the data being transferred When data is input to the microprocessor it ...

Page 74: ...roprocessor to interface to the knob interrupt circuit in the front panel interface ref schematic 0103 00 1389 sheet 3 This circuit provides the microprocessor with information from the control knob on the front panel Pin 11 of U30 BLOAD is used to place a temporary load on the battery to test its con dition Pin12of U30 BTST isconfiguredas an input and is usedto read the status of the battery duri...

Page 75: ...v 5v SUPPLY Iov I I U30 PIN 6 fi LOW I I U30 PINS 8 8 10 MICROPROCESSOR MODE CONTROL POWER ON SEQUENCE HIGH U30 PIN 6 E I POWER OFF SEQUENCE Figure 4 8 Power OnlOff Reset 4 14 Scans by ArtekMedia O 2006 ...

Page 76: ... and pulled high by R4 When the instrument is turned off the sequence is very similar The 5V supply on the noninverting input of U20C pin 9 drops rapidly while the voltage on the inverting input pin 8 is held by the discharging C4 causing the comparator to pull m low The comparator U20A controls the standby pin on the microprocessor This line is held high by the resistor R3 during normal operation...

Page 77: ...e address of the desired location is put onto the address bus ADR15 ADRO The address decoder section pulls the chipselect RAM onpin200f the RAMlow ADR12 ADRO are used by the RAM to determine the location to be accessed Depending on the type of cycle being executed either the output enable pin 22 or the write enable pin 27 is pulled low and the data transfer takes place The RAM receives itspower fr...

Page 78: ...oltage changes the intensity of the liquid crystal 4 and Kw2 U34C pin l o This resetsthe changes essentially altering the optimum viewing angle so that the next transitioncan be recognized The resistors R29 and R30 provide the biasing for the the circuit After the interrupt has been serviced the viewing angle control microprocessor pulses RKIRQ UlOB pin 3 low which sets IRQ Q1 collector high again...

Page 79: ... being addressed and pulls the appropriate Besides the control busses mentioned above the out put ports also supply 6 individual control lines On U26 are three lines D PCLK and S R that are used during a return to start On U39 are three lines SLOPE MANHOLD andTRIGGERMASK that are used in the trigger and hold logic 4 2 4 Communication Options 4 2 4 1 General Description The communication options pr...

Page 80: ...gisters are accessed by the microprocessor via the data bus AD7 ADO U1 pins 15 22 The microprocessor section enables the AClA by setting COMM U1 pin 9 low The least significant address line ADRO drives the register select pinof U1 pin11 This lineselectseitherthe transmittreceivedata registerswhen highor the controllstatus registerswhen low The microprocessor readlwrite control U1 pin 13 is used in...

Page 81: ...Figure 4 1 Model DIGITAL SIGNALS ANALOG SIGNALS 75 Block Diagram ...

Page 82: ...lely through the use of front panel controls Allow the instrument to warm up at least 30 minutes before beginning calibra tion Do not remove instrument covers during this pro cedure Once the calibration has been performed the instrument will hold calibration as long as the internal battery maintains the memory If the display indicates Wavetek Model 75 Cold Start on power up the memory hasbeen lost...

Page 83: ...pability 4 digit resolution BNC male connectors RG 58U cable Table 5 2 Calibration Procedures 1 Setup RSET F2 EXEC F3 PresslAdjust 2 Edit ERASE F2 EXEC F3 c Remarks Sets default values Verify that RESET VER x xx XWappears on the display Clears waveform memory 3 Parameter AMPL Fl Control knob 1 Set the amplitude to 2 500 Vp 4 Setup CAL F3 Control knob Adjust the knob until the reading on the DVM is...

Page 84: ...l Input CHAN 1 Vertical Gain 2VlDIV TIMEBASE 0 5 ms1DIV Trig Source External 3 Perform the steps in the order shown in table 5 3 Table 5 3 Amplitude Verification PresslAdjust 1 Setup RSET F2 EXEC F3 4 EXEC F3 Remarks Sets default values 2 Edit ERASE F2 EXEC F3 3 Edit FUNC Fl Control knob Verify a sine wave of slightly more than 2 cycles and approximately 10 Vp p in amplitude Clears waveform memory...

Page 85: ...SETTING UPPER LIMIT LOWER LIMIT 5 6 OFFSET 1 Interconnect the Model 75 and test equipment as This paragraph verifies the dc offset accuracy of the shown in figure 5 3 Model 75 throughout its range If the readings are out side the upper or lower limits perform the steps given 2 Set the digital voltmeter DVM as follows inparagraph5 4 Calibration andthen recheckusingthis paragraph If the instrument s...

Page 86: ... the DVM and connect to the oscilloscope CHAN 1 vertical input 6 Control knob I Adjust the offset from 5 00V to 5 00V and verify that the output level smoothly increases from 5V 1 to iv 5 7 FREQUENCY 1 Interconnect the Model 75 and test equipment as This paragraph verifies the sample frequency accuracy shown in figure 5 4 of the Model 75 throughout its range Ifthe readings are outsidethe upper or ...

Page 87: ...t waveform falls within the specified limits If the readings are outside the specified limits perform the steps given in paragraph 5 4 Calibration andthen recheck usingthis paragraph If the instrument still fails to fall within specifications refer to Section 6 Troub1eshooting andSection 4 Circuit Description for help in solving the out of tolerance problem UPPER LIMIT 1 000150 MHz 500 050 kHz 300...

Page 88: ...ument fails to fall within specifications refer to Digital Voltmeter Signal Source Section 6 Troubleshooting and Section 4 Circuit Function AC Volts Output Freq 1 kHz Description for help in solving the problem Output Amplitude 10 Vp p 1 Interconnect the Model 75 and test equipment as shown in figure 5 6 3 Perform the steps in the order shown in table 5 8 Remarks Sets default values Clears wavefor...

Page 89: ...ification 3 Disconnect the input signal to DVM Connectthe Model75ARBOUTconnector to the DVMterminated into509 PresslAdjust 1 Setup RSET F2 EXEC F3 2 Edit ERASE F2 EXEC F3 Remarks Sets default values Clears waveform memory Record the DVM reading Scans by ArtekMedia O 2006 4 Record the DVM reading Verify that the input to out put error is 4 ...

Page 90: ...tsfor troubleshooting an individual block Also each circuit guide references related schematics circuit descrip tions and calibration procedures Beforebeginningthe troubleshootingprocess verify that the instrument s controls are set correctly Table 6 2 gives examples of possible symptoms that can be the result of a setup error For more information about the instrument controls and operation refer ...

Page 91: ...up Common Errors No Output Display blank Runs continuously in triggered gated toggled or burst modes Symptom LCD viewing angle IIThe following apply only to instruments with the com misadjusted munications option installed Possible Setup Error Symptom No breakpoints set Possible Setup Error Hold Key On Mode not set to Continuous Start Adrs equals Stop Adrs External reference selected with no refer...

Page 92: ...ways high alwayslow or alwaysbetween LOGIC 1 logic levels in an undefined state A stuck bit may also switch between high or low levels and the undefined state Figure6 2showsexamplesof gooddynamicdigital LOGIC 0 signals and figure 6 3 gives examples of stuck bits LOGIC 1 LOGIC0 UNDEFINED STATE LOGIC 1 Figure 6 3 Defective Stuck Bits Digital Signals LOGIC0 6 3 TROllBLESHOOTlNG GI lIDES Refer to tabl...

Page 93: ...Fault No sample clock INTREF Sample frequency not at setting Test At C12 C7 C8 Check F1 TI windings CR1 15V or CR2 5V C2 C3 C4 C5 15V or C10 and C11 5V 01 02 VR2 tabs P4 and P5 C6 C7 C8 k 15V or C12 5V Setup Reset Reset Results Desired 1 ohm Not shorted or open Not shorted or open Not shorted Not shorted to frame or ground Ifallvoltages normal check for excessive loading Not shorted Input Ripple M...

Page 94: ... 000 MHz Scans by ArtekMedia O 2006 FRBlT2 U29 10 1 1 0 0 1 1 0 0 SW1 U36 13 1 1 0 0 1 Fault Sync In external not functional Hold In ext or hold key not functional FRBIT3 U29 11 1 0 1 0 1 0 1 0 SW2 U36 14 1 0 1 0 1 Setup Reset Apply 1 kHz TTL signal to Sync In connector Reset Press Hold key Release Hold key Apply TTL low to Hold In connector VCO Frequency U31 8 9 999 MHz 8 000 MHz 7 999 MHz 4 000 ...

Page 95: ...n inverted version of signal at U25 13 Burst Done Out Int not functional Return In ext not functional Reset Reset Apply l T L low to Return In connector Remove input from Return In connector A high with a low going pulse every 2 ms A l T L high Is now low Return In and return key not functional No waveform clock CLK Trigger gated toggle or burst modes not functioning Reset Select Ramp Up func tion...

Page 96: ...2 U35C 11 U35C 10 UI OC 10 U4C 8 U24 14 A0 U24 14 A1 U24 13 A2 U24 12 A3 U24 11 A4 U25 14 A5 U25 13 A6 U25 12 A7 U25 11 A8 U28 14 A9 U28 13 AlO U28 12 A11 U28 11 A12 U36 14 U29 1 U29 1 U35C 10 U35C 11 U1OC 10 U36 3 U28 3 thru 6 U25 3 thru 6 U24 3 thru 6 Burst U21D 12 Low Low Low Low High Results Desired A 1 MHz signal A TrL high A Low A TrL High A l T L high with 1 ps wide low going pulse every 11...

Page 97: ...STRT12 Same as STRT11 STRT8 Same as STRT7 STRT4 Same as STRT3 STRTO A TTL high with low going pulses every 5 ms during the return ramp Table 6 11 Waveform Memory Troubleshooting Fault I Setup Check I Results Desired Waveform data static or eratic Reset Select chain mode and triangle function u12 11 12 13 15 thru 19 and U11 16 thru 19 All switching with no stuck bits All lines should be at a differ...

Page 98: ... Verify that ZBlT is low with a high going pulse every 1 ms Reset Verify that STBlT is high with a low going pulse every 2 ms Table 6 12 Waveform Latch Troubleshooting I Check Fault Results Desired Setup Waveform data not reaching waveform synthesizer correctly or Control lines Z Axis Sync Out break points not functioning properly Reset U1 2 5 6 9 12 15 16 19 and U3 2 5 6 9 12 15 16 19 Verify the ...

Page 99: ... waveforms and voltages as shown in table 6 14 A TTL high All are low Approximately 2 5V Slowly adjust Y value to 2047 Voltage should smoothly increase to 2 5V Sum In not functioning properly Reset Erase current waveform Apply 5V to Sum In connector Junction of R34 and F1 U7 6 Verify 5V Verify 2 OV Table 6 14 Waveform Synthesizer FunctionalCheck Test Point U2 pin 4 U2 pins 14 thru Desired Results ...

Page 100: ...nce Amplitude control erratic or out of tolerance 6 11 Scans by ArtekMedia O 2006 Setup Reset Select square function Reset Set stop address to 0000 Adjust Y value to 2047 Set amplitude to 0 500 Vp Adjust amplitude to 5 00 V p Results Desired 10V _ 0 1 Vdc 2 5V Bits represent the binary equivalent of 1048 010000011000 Pin 4 is most significant No stuck bits Smoothly decreases to 7 5V Fault Offset c...

Page 101: ...ct sine function Amplitude and offset controls not functioning properly Reset Select sine function Set amplitude to 5 00 Vp Check I Results Desired 20 Vp p sine wave 10 Vp p sine wave on both sides of fuse F2 R61 AO R62 Al K1 14 K1 7 K2 7 CR20 anode 5v 5v 20 Vp p sine wave 20 Vp p sine wave 20 Vp p sine wave 10 Vp p sine wave Set amplitude to 499 5 mVp Set amplitude to 49 95 mVp R61 AO R62 Al K1 1...

Page 102: ...re high U40 3 thru 6 All are high Set burst count to 1 048 575 Set stop address to 0009 Press manual trigger key Press manual trigger key repeatedly Press manual trigger key Burst counter inputs U50 2 U50 9 U50 7 U40 11 thru 14 U43 11 thru 14 U50 11 thru 14 U51 11 thru 14 U47 11 All are low The data on the burst counter inputs should represent the one s complement of the selected burst count 1 MHz...

Page 103: ...m high to low Same as U14 2 3 and 1 respectively Table 6 21 2 Axis Driver Troubleshooting I 1 ms Z Axis Out not functioning properly Set Z level as shown in table 6 22 Fault Take mea surements as shown in table 6 22 Check Setup Reset Press Z level soft key 1Ul 2 Values shown in table 6 22 Results Desired A low with high going pulses every Table 6 22 2 Axis Driver Functional Check ZL 2 CR11 Anode L...

Page 104: ... 6 24 Control Knob Troubleshooting Setup Spin Control knob Check U34B 5 and U34C 9 Q1 collector Results Desired Alternating between high and low and 90 out of phase with each other A high with low going pulses Table 6 25 Liquid Crystal Display Troubleshooting Display blank or totally black Display characters unintelligible or not updating Setup I check Reset J10 4 5 7 thru 14 J10 6 Results Desired...

Page 105: ...is inthe microprocessor section a problem Table 6 26 Microprocessorand Main Memory Troubleshooting Figure 6 4 Power Off Reset Timing 6 16 Scans by ArtekMedia O 2006 Fault Nonfunctional operation Check U30 3 XTAL2 U30 21 VDD U30 7 STBY U30 6 RESET U30 5 IRQ U30 4 NMI U30 40 E U30 39 AS U30 22 thru 38 U14 2 5 6 9 12 15 16 19 U37 7 9 12 14 16 18 U46 2 5 6 9 12 15 16 19 Setup N A Results Desired 4 MHz...

Page 106: ...ctional If stored waveforms and instrument settings are not the problem may be in the reset and mode setting cir retainedwhen the instrument is powered off check the cuit The correct reset timing is shown in figure 6 4 and batterybackupsupply Turnoff the instrumentandcheck 6 5 CR3 cathode BBV for 2 Vdc Scans by ArtekMedia O 2006 ...

Page 107: ...at talks to and reads from the Model 75 As part of loop generate a programming error A101 and then serial poll the unit NOTE Figure 6 6 shows a sample program written on a Wavetek Model 6000 Results Desired U2 21 and 29 U2 22 U2 40 U3 1 thru 9 12 thru 19 U4 1 thru 9 12 thru 17 Logic levels on bus side of U3 and U4 Both high A low No stuck bits Typically 0 to 3 Vdc 10 DO 20 WRITE 709 AlOI 30 READ 7...

Page 108: ...equency shown in table 6 29 No stuck bits Logic levels k 12V Both are 12V Table 6 29 Baud Rate Generator Functional Check Scans by ArtekMedia O 2006 Baud Rate 19 200 9600 4800 2400 1800 1200 600 300 200 150 134 5 110 75 50 SW1 2 Closed Closed Closed Open Open Open Open Closed Closed Open Closed Open Open Open SW1 1 Open Closed Open Open Closed Open Closed Open Open Closed Closed Open Open Closed F...

Page 109: ...r a normal operating condition e g the source voltage is more positive than the gatevoltage for 2N5485andthe source voltage is more negative than gate voltage for a 2N5462 Otherwise the FET is defective 6 4 5 Capacitor 1 Shortedcapacitors haveOVacrosstheir terminals 2 Opencapacitors canbe located but not always by using a good capacitor connected in parallel with thecapacitor undertest andobservin...

Page 110: ... 20 MHz WAVEFORM CLOCK CLK 1 I 20 BIT BURST COUNTER PRELOAD MICROPROCESSOR FREQUENCY SYNTHESlZER WAVEFORM NTROL DATA WAVEFORM CONTROL SHIFT REGISTER ATTENUATOR 7 5V TO 2 5V DIGITAL SIGNALS ANALOG SIGNALS ARB OUT Figure 6 1 Troubleshooting Block Diagram ...

Page 111: ...ys possi number The assembly PC board and components on ble to include the most recent changes in the initial the board part number is stamped on the board DRAWING lnstrument Schematic lnstrument Top AssemblylParts List DRAWING NUMBER 0004 00 0366 1000 00 0366 Chassis AssemblylParts List 1101 00 1774 Front Panel Schematic Front Panel AssemblylParts List Keyboard AssemblylParts Llst Rear Panel Asse...

Page 112: ...RIZATION A l A 3 PCA KEYBOARD D 1208 CO 376 FRO VT PANEL 1 2 0 6 00 775 D 208 00 N9 1208 00 772 PCA RS232 W D N 00 00 677 ST TRIG W E SMK SYNC SUM ARB REMOVE ALL BURRS AND BREAK SHARP EDGES A f E L 7 m A SCHEMAT C XXX 010 ANGLES 1 NSTPUMENT NOTE UNLESS OTHERWISE SPECIFIED 8K wIiV 8 1 7 I 6 5 4 4 I 3 I 2 1 A 4 PCA P L L WAVEFORM OO 00 456 ...

Page 113: ...R E k K PAPIEL 1204 00 0061 HEATSINK BRKT 1201 00 1702 1208 00 1874 120b 7i1 18 1206 00 2251 I I A A A FRONT HOUSING ENCODER KNOB SCREENED 1201 01 1731 1201 0 0 1 1 1 6 REFERENCE DESIWATORS P M T DESCRIPTION 1 O R I O I F W P M T Q W O R 1 U A NO 1 OTY111 11 1 I 1 I ACCEPTANCE TEST SPECIFICATIP1B ASBY CHASEIS 75 ASSY TOP C W R I A KEYBOARD REAR PANEL 1208 00 1376 1206 00 17 16 mDEL 7 3 W I C K REF...

Page 114: ... 0710 5 4 3 Z 1 SEE 5Et AKAI t PARTS LIST 1101 00 1714 REMOVE ALL WRRS AbStM6i FINISH OTHERWISE SPECIFIED xxx 010 N G L E S I CHASSIS REV ICU run DOQYIWT CONTAM rnomlrnnv m m 1 b 14946 7386 MATION UO O W R W T S It3 OYOIW TO WAVITTK AND MAY NOT W RDMY UCIO FOR A W XX 030 W NOT SCALE DWG u W OIC cro I I ALE dij t 75 IIOIQO I774 p COOS 3338 WEET OF I V RVJY u c l n uL urK r m m A r w m uo DATE AW 5 ...

Page 115: ... SWI u a a a a a n a n a n a z L J J13 A T O PI2 TO PI0 PCA DISPLAY 1208 00 1874 SEE DETAIL A LCD MODULE 1 6 x 2 CHARACTERS B g r N l r q L n F 2 0 E B n n n o o a o o o a n 4 6 6 6 4 4 Jll I I I I J I In r I _ 0 0 0 REMOVE ALL W I R S DlAm M I I ANOBREAK W A R EDGES A TALMADGE h I wp mon SCHEMATIC TOLERANCE UMKEP f INISM OTHEllWlP S CICIEO XXX I010 ANGLES 2 1 FRONT PANEL WAVETEK W O C E P w NOT S...

Page 116: ... 1206 00 1775 WELT I OF 1 zs 8 I 7 1 6 1 5 4 1 3 I REFERENCE DESICNATDRS NONE 1 2 3 4 6 PART DESCRIPTION S C H E M T I C S FRONT PAWL ASSV ENCODER KNOB ASSY FRONT HWSlN6 SCREENED PCA KEYBOARD PCA DISPLAY ED KEY PAD STRIP KEYPAD STRIP tiOD Mb 1 4 0 0 0 1 6 2 3 0 CHEWI SELF 1APPINC TYPE 0 PAN CROSS RECESS 4 24 114 ORIO IYOR PART NCI 0 1 0 3 0 0 1 7 7 5 2 3 1 7 3 1 7 5 1 7 7 8 2 3 1 3 7 6 2 3 1 8 7 4...

Page 117: ... ECN THIS DOCUUENl CONTAINS PRDWIETAIIY UIHHI MATlDN AND DESIGN RIGHTS BELONOIIY TO WAVETEU AMD MAY NOT BE REPROWCED FOR ANY REMW EXCEPT C A L I A T W a n A r l w AND MAINTENAWE WITWDUT WRITTEN AUTHOIIIZATK I SECTION A A ...

Page 118: ...H 7 2 0 73 8745 23 73 9653 KC 7946 1 4 9 7 BR 405Q 2 u 8 W R V MO A F R T S m l F O R YVTW W T K UVTU K I N 0 SMITH R I C n SMITH ASSY R E M P A N L 2 WIRES e CABLES OBTAINED FROM CABLE KIT 1207 00 1777 1 FOR ASSWLY INTERC3YRECTION SEE INSTRUMENT SCHWATIC M W 00 0366 WTE UNLESS OTHERWISE SPECIFIEO l206 00 1 6 PAC I UAVETEK NO 1400 01 9720 1 1 8745 1400 01 9653 2100 014ooa 2100 OC0012 1 z o M 6 a80...

Page 119: ...lmlBCEN 17 1 I X81 A D O 17 I GND 18 I WJISTOPOK j18 X61 AD1 9 18 I I CLK 19 1 I 2C61AD2 i 9 I GND X I I I I M A N T I M D I I 2C61 AD a I L I P8 31 SLOPE j 2 1 I L J I I I I I m L m o n I J8 I I W I L M I 2 4 I TO PLL WAVEFORM BD I I 2 21 0 8 2 a I I I A21LOB3 j28 1 GND 1 I 2 21 LO84 j 2 7 1 I 1 SERD 2 1 I a21 LOB5 3 2 8 1 I GND 3 1 I 2 1 LO86 929 I 1 I SERC 4 1 2A21 LOB7 3 0 I I I I GND 45 txSl ...

Page 120: ... I orrr I IPP I THIS DORYEllT CONTAlUI PRMIETARY INKHI MATION AND DESIGN RIGHTS m E L w a I w TO WAVLTEK AND NAY YOT ME REPROWEED FOR ANY R U Q 1 EXCEPT ULI IATION DEIIATtON AN0 NAINTENANCE WITHOUT WRITTEN AUTHORIZATIOU ...

Page 121: ... I 2 1 I E V ECN BV DATE UI m11 n C A Ym m m m v WKIR MATION ANO MYOY n w n DELOMIR TO N A W X E K A N O M A V W O T D l l a M l O U M F O l l I V IU Y UCIIl CALMATION OPERATION YD Y m M N u Inmul 117TEN UJnwRIzATION WAVEFORM ADDRESS COUNTER ...

Page 122: ... A D 7 15 I W C L K 3 1 6 051 B C E N 17 I P I 4 1S T O P O K 3 I 8 I le4lfRIGnASK 3 19 I I841 HANHOLLl 20 le41 SLOPE 3 21 I N O C O N N E C T 3 22 I ml L D B O 23 I mlLDBl 24 I 08s LOB2 3 25 I W LOB3 26 ml LOB4 27 I Wl LDBS 28 I 08s LDB6 29 I 08s LO07 30 I 071 E 331 1 mleURLOAO 332 W J OUT2EN 333 I lC61 OUT3EN 334 I u l OUT4EN 335 I I J Ii REMOVE ALL WRRS Mrf A u48c AND BREAK WAR EWES I u T E n I...

Page 123: ...RD ASSY INSIDE I SIDE FRONT PANEL INTERFACE Q b d Q 0 0 0 0 0 0 n t 0 0 0 0 0 0 Q I L 1 1 r x 0 0 9 PE r A A T Z o r 1 7 D O 1 38 9 3 FOR ASCEMBLY INTERCCNNECTION SEE INSTRUMENT SCHEMTIC 0004 0c 0366 2 SEE 0103 00 1839 FOR SCHEMATIC 1 PARTIAL REFERENCE DESIGNATIONS SHOWN PREFIX WlT i ASSEMBLY REFERENCE DESIGNATION A1 A1 A3 NOTE UNLESS OTHERWISE SPECIFIED s w c 3 8 I 7 I 6 1 5 4 4 I 3 I 2 I 1 REYOV...

Page 124: ... 1 VI U 1 3 7 W U1B U19 u a j U2Q W 4 U 2 5 U2E U36 U40 U41 U43 u 5 0 u s 1 US2 U33 U 3 7 PART DEBCRIPTIDl BATTERY BATTERY W LIWIW RES I F 11W 1X 1K RESOIF l W 1 x 8 1W RES IF 1lW 1x1lOOK RESO IF 11W IX 11 BK RE IF 11Ws 1X 1 4 Y RESO I F 11Wt 1 1 RE8 W llW 1x4 1 RES I F 11W 1X ZN RES IF 11W11Xt 2OK RES I F 1 1 1 8 2 l K RES I F 11W 1 2 3 7 RES I F l W lX 2 49 RES I F l W s 1 3 01K RES I F 11Wo 1x0...

Page 125: ...1s I 3211R E r s 1 15 A 5 I 5 A 6 I a61STOP 3 A 7 I5 A 8 I m1REF I N j 9 I 3821REF OUT A10 GND 3 61 I GND e2 307 SLOPE j 63 3c41HANHOLD e4 I GND 85 1 GND es I GND 87 I3C81ARE R W BE GND as I GND 010 I POWER GROUND 1 TABLE REFERENCE P I N NUMBtHS DES 5 1 A 4 CAPACITORS V A L U E D IN MICROFARADS uF 3 RESISTORS VALUE0 I N O H M S BY 2 F O R UNIT INTERCONNECTION S E E INSTRUMENT SCHEMATIC 0004 00 036...

Page 126: ... V DATE A l l CONTROL SHIFT REGISTER I I STROBE REMOVE ALL BURRS DAlf AN0 BREAK W A R P EDGES MATERIAL I IPRO1 E W i l M E E K I TITLE r IC TOLERANCE UNLESS F l N I W OTHERWISE SPEClFlEO WAVETEK PROCESS X X X 010 LNGLES I BOARD I DO NOT SCALE LWG O G no SCILE 75 1 0103 00 1456 YDI ...

Page 127: ...AVETEI AND MAY NDT BE REPRODUCED FOR A m REASDN EXCEPT CALIBRATION WERATION AND MAINTENANCE WlTllOUT WRIlTEN AUTWRIZATION WAVEFORM L A T C H REV ECN BY DATE AW T R I G G E R AND H O L D L O G I C I I I I I I I I I I I I I I I I I I Z A X I S D R I V E R NOTE UNLESS OTHERWISE SPECIFIED ...

Page 128: ...8 Dgitur vRemmkmd by AdeWedm 8 2 m I I R E V ECN I V DATE AW 5 4 3 2 1 ...

Page 129: ... ECN I V DATE UI 7 c3 Eh 5 y J THU E n COIITAIIU m a m l E T m v I N YITlOll A m DEUON R W T S 8LLONOlIYI TO WAVSTEK mMAY NOT BE n wmoucrn FOR ANY EMON r x c m uLmnAroorr orcmArlo uo YIINTENAMCE T H O U T v m l n E N AUTHOIIIZATW REMOVE ALL BURRS D I l A l l AND A R P E W E S B RSUM C jii IATERIAL M W S u y SNCI 7bk5 FINISH WAVETEK n o c E s s w p sUI OmOD TITLE PCFI PLL WFIVEFORM W W C 8 IELIUI 0...

Page 130: ......

Page 131: ... NO 0103 00 1113 1204 00 0061 75 1776 21 1119 75 1772 SS9 1400 2 1 4 W O 21 6910 602 6950 1 4 0 0 0 1 6 1 8 5 23 8463 1400 02 20SO 41872 4 3 1 3 3 7 5 6 32 NUT F L 8 10 x 112 4 40 X 1 1 4 6 SAE FLAT WWER l S 3 5 3 3 8 1 3 6 6 32 X 1 1 1 4 e6SRLU 4 WX3 8 F H I m PART DEBCRIPTI W BCHEMTIC PUI SUP T R M F O R I F R C188V REAR P A E L PCA AC P R I M R V PC P O E R W P L V LABEL CMlTIOH LABEL 1 1 5 VAC...

Page 132: ...C WAD 2 IIPUT 8KIUg08 T I 8000 7 1 r 0 8 OATES 1C TRIPLE 3 IWPVT M 4 A S l O T I 8000 74 10aa 2 NmD IC DUAL FLIP FLOP 7 W 7 4 nOr 8000 74 7440 D v m REFERENCE DESIONATORS U2 U5 W VR2 VRI U l l U13 U14 0 1 8 U19 U16 U20 W6 MI u25 U l 2 7 U17 U p U23 W 4 REFERENCE DESIWATORS In2 W U 3 7 U l U3 U p U34 U35 VJI U15 U36 1 I 1 PARTS LIST R LC SE n o UIT DESCRIPTIW ORIO WOR P RT ND WOR UAVETE D PTYlPT CU...

Page 133: ... 00 1118 MODEL 21 22 23 I 1208 00 1772 MODEL 75 A2 A2 PCA AC PRIMARY 1208 00 1119 I I J 1 HOT 1 I 0E2 FOR FUSE P I N SEE A MODEL 21 22 1101 00 1113 MODEL 23 1101 00 1703 MODEL 7 5 101 00 1771 I R I AND RP VALUES 0 51a V 2 W MODEL 211221231 1 5fi 112W MODEL 75 1 PARTIAL REFERENCE DESIGNATIONS SHOWN PREFIX WITH ASSEMBLY REFERENCE DESIGNATION A2 SHOWN IN 1 1 5V HI POSITION REVERSE P 3 2 FOR LO POSITI...

Page 134: ...W A K U I U U V NO 1208 00 1772 FWITSUST PCAo POW37 PLY A REFERENCE DE6IONATORS PART D E 8 E R I P T I W OIIIO WOR PUIT M WQR UAVETEK NO I 4 5 6 7 8 R 1 R 2 R V l C R l CR2 I1 02 VR 1 VR2 RIVET 118X3116L SCREW 4X318 PWD 8 18 TYPE D FLAT 4 2 0 9 0 D H LOCKHMHER PLATED INBU ATOR TO 220 RES CAR 1 2Ua 5 1 5 V A n I S T m DIODE ZDLR 1OOV 10 TOL 1Uo I N 4 7 6 4 TRAMS WN TO 220 VOLT REQUATOR VOLT REQUATO...

Page 135: ...1 4 PHP 5Il6 4 2 4 X 1 1 4 REV ECN BV 1 DATE 1 APP 3 I 2 F L A T 0 0 a R A N 9 6 0 4 4 3 1 2 4FU RESs 0 OHM M E R JPO2TbBO SWITCU ASSY PB 5103 00 0020 1 L l T N 2400 05 0031 2 AVDEL ZSOO 12 0047 2 CMRCL 2 8 0 0 2 2 4 1 4 2 2 CIWCL 2 8 0 0 2 6 4 0 0 0 2 R M I 4799 00 0087 2 W T K 5102 00 0005 1 WAVETEK P R T S M ASSEMBLY NO REV 1248 00 1119 PCASAC PRIMARY B REMOVE ALL BURRS DR WN 3 FOR ASSEMBLY INT...

Page 136: ... I ROT TO SCALE 2 BV DATE EWE D E B I W T O R S PART DEBCRIPTION ORIO NFOR PART NO WW MV lEK NO I I I I I 1 APP ACCEPTANCE TEST 23 75 0426 SPECIFICATILW PCA W I B OPTION 1100 00 1478 LAEEL OPTION lQOa 1400 01 9900 8CREUo JACK 3 5PMX M 23 0033 TW F 6 32 l l THD B X O E R E U S4 40X3 16 PIC N 4 40 X 3 16 Y U l PATCH U 8H01 R T W B I N W U T YABHER 495 P O S I T 2800 23 0033 2 CtlRCL 2800 23 4103 4 C...

Page 137: ...S 1 8 WATT NOTE UNLESS OTHERWISE SPECIFIED REV I ECO BY 1 PATE 1APPROVAL A I E C O P Z 14 z4 811 REMOVE A L L BURRS IAND BREAK SHARP EDGESI ATnLMnDtE 1 3 k i REASON EXCEPT CALIBRATION OPERATION AND MAINTENANCE WITHOUT WRITTEN AUTHORIZATION MATERIAL M STF ING I8 aACTITLE RELEASE APPROV SCHEMATIC I TOLERANCE Uh I I FINISH OTHERWISE SPE WAVETEK PROCESS XXX t 01 A ILESS ElFlED ANGLES t i o I GPIBOPTIO...

Page 138: ...n mwnmm AUTIKIIIIZATION C1 Ct C 3 C4 CS C6 l O P I N SIP BUSS WIRE MI lsOA HEX B W W l V E R XCVR OBC BUS TTL PC CPIB OPTXU4 4 I GPIB O P T I O N I MOTE UNLESS OTHERWISE IPEClFlED V MRRK RSSEMBLY REVISION LETTER I N FIRER SHOWN 3 SEE INSTRUMENT SCHEMRTIC FOR RSSEMBLY INTfRCONNECTION 2 SEE 0103 00 1678 F O R CIRCUIT SCHEMRTIC 1 PRRTIRL REFERENCE DESIGNATIONS SHOWN PREFIX WITH FISSEMBLY REFERENCE DE...

Page 139: ...SEE INSTRUMENT SCHEMATIC WOTE UNLESS OTHERWlS PECIfIED AsSY P O W E R SUPP R m R E N C E DESIONATDRS PART DEBCRIPTION ORIQ MFOR PMT NO MFOR UAIlETEll NLl Q N R T NON ACCEPTANCE TEST 23 75 0427 YVTK 0007 00 0427 1 SPECIFICATION PCA R8 232 OPTION 1100 00 1677 UVTW 1100 00 1677 1 2 PLATE RS 232 ADAPTER 23 75 9643 UVTU 1400 01 9643 1 3 XIDIFICATIDNI JACK 23 75 9669 UVTK 1 01 9669 2 BCREU UVTW 1400 01 ...

Page 140: ...I L g j g SWI U4 9 I I P 4 CAPACITORS VALUEO I N WICwFrnDS Iufl 3 RESISTORS VALUE0 I N OHIS l BY 2 FOR UNIT IIITERCMCTION SEE I l l L C INSTRU NT SCHE IIITIC 1 PARTIAL REFERENCE MSIGNATIONS SHOWN SCHEMATIC PREFIX WITH APPRBRIATE A S S m Y FINISM O l M R W I Y m C I F H 0 REFERENCE DESIGNATION WAVETEK PMCSS xxx 010 AWLES r l RS 232 OPTION SEE INSTRUKNT SCHEMATIC xn 1 0 1 DOWOTIC LEDIIO L m m NOTE W...

Page 141: ... 331J OHIS 471J m1S WOJ 1 7 0 0 0 0 1 6 7 7 1 13 m w 4 40 X 3 16 K 1 2 IQU RNsSMPTa w s w m l r 1 R E W E M E DESIPWTORS NmE 1 c l z c 3 c 4 CI C I C7 c q c i o c r r ce C I C2 2 3 0 J OT V I 3 I 1 R2 n mi cw A REV A R M T DESCRIPTION K I E M T I C RE 232 W T l m OTANmFF ow c m m IIF xu z w a n r R D Ln SP 2 L U MICA SQOV OY MICA 4 7 W SQOV ow MICA SYF WIOV M 232 WTlOW WYID m w a u r wta e m WJTAL...

Page 142: ...488 2 b l Dl01 b7 Dl07 3 R SECONDARY COMMAND 4DENS SUBSET COLUMN 2 THROUGH 5 DC4 DCL DC1 LLO NAK PPU EM SPD CAN SPE SOH GTL EOT SDC EN0 PPC BS GET HT TCT Device clear Local lockout Parallel poll unconfigure Serial poll disable Serial poll enable Go to local Selected device clear Parallel poll configure Group execute trigger Take control UniversalCommand Group Addressed Command Group SECONDARY COMM...

Page 143: ...E waveform SYNC address ToGqLc Beak Po ril TR ggerSLoPp Z axls LEVeL Z dx s LOGIC ADdResS ADJusl X Y coordlndle ADJust Y Po rlT AMPLltude tCommand BUFFeR BURST count CAL brate CHAIN CLeaR all Break Po ntS Cu SoR D g t a l AMPLllude Dig tal OFFsel ERASE wavelorm EXECule EXCHanGe waveform FREQuency FUNCIion tHANDshake niode INCRernenl X Left or R ghl Thumb Tack IEEE 488 GPIB tRS 232 C Cornrnun cat o...

Page 144: ... Go To Local SRQ Modes XQn Where n is a number representing the sum of the weights of the desired SRQ sources from the serial poll byte Serlal Poll Byte w e i g h t s J X Carrier Lost Programming Error Request for Service Execute Complete Framing Error Return Complete Overrun LOWBattery RS 232 C only Talk Modes XTO Programming error list XT3 Current instrument setup XT7 Waveform data at current XT...

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Wavetek 75, Instruction Manual

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