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Theory of Operation

Introduction

6

6-3

Introduction

This chapter of the manual provides the theory of operation for the Instrument. The

theory is presented at a high-level and is supported by an overall functional block

diagram. Since the Instrument is supported at the module (board) level, the theory is often

a useful troubleshooting tool for isolating faulty PCAs. The Assembly numbers

(modules/PCAs) in the theory correspond to the replaceable assemblies described in

Chapter 8, List of Replaceable Parts.

Overall Functional Description

Refer to the functional block diagram shown in Figure 6-1 while reading this description.

In addition to identifying all of the assemblies contained in the Instrument, this diagram

provides a functional view of the data flow between the assemblies. When appropriate,

simplified schematics also accompany the description. These simplified schematics,

Figures 6-2, 6-3, and 6-4 are located at the back of this chapter. Assembly

interconnections and cable identification is detailed in Chapter 7, Maintenance.
The following list identifies the eight major assemblies that comprise the Instrument and

includes a description of the basic functions each assembly performs:

A1

Synthesizer PCA

Develop frequency for output, and voltages for isolated
(floating) functions

A2

RF Output PCA

Divide, filter, amplify, control, and attenuate RF Output

A3

Digital PCA

Optical isolation and routing of digital control data (IEEE-488
(GPIB) and serial data)

A4

Power Supply PCA

Ground referenced power supplies and driver for Low
Voltage Transformer (T2)

A5

Interconnection PCA

Rear-panel accessible connectors and switches for remote
communication.

A6

Front Panel Assembly

Front panel user interface (UI) for local operation, includes
the A6A1 Display PCA and the A6A2 Keypad PCA

A7 Power

Transformer

Assembly

Also provides the

±

48 V ac (A7T1) for driving the A4 Power

Supply PCA

__

Rear Panel

Provides the mounting location for ports, connectors, and
switches needed to externally access and influence the
operation of the Instrument.

A9

Leveling Head

Leveling, control, and attenuation of the RF Output Signal

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Содержание 9640A Series

Страница 1: ...640A 9640A LPN units with firmware up to lss 2 X Instruction Manual August 2006 Rev 4 7 10 2006 2010 Fluke Corporation All rights reserved Specifications are subject to change without notice All produ...

Страница 2: ...e center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no ris...

Страница 3: ...pour recevoir les r f rences d autorisation de renvoi ou envoyez le produit accompagn d une description du probl me port et assurance pay s franco lieu de destination ce centre de service Fluke d clin...

Страница 4: ...isierte Servicezentrum um R cknahmeinformationen zu erhalten und senden Sie dann das Produkt mit einer Beschreibung des Problems und unter Vorauszahlung von Fracht und Versicherungskosten FOB Bestimmu...

Страница 5: ...tro de servicio autorizado por Fluke m s cercano para obtener la informaci n correspondiente a la autorizaci n de la devoluci n despu s env e el producto a ese centro de servicio con una descripci n d...

Страница 6: ...Fluke Fluke Fluke Fluke Fluke Fluke Fluke FOB Fluke Fluke FOB Fluke Fluke FOB Fluke Fluke Corporation P O Box 9090 Everett WA 98206 9090 U S A Fluke Europe B V P O Box 1186 5602 BD Eindhoven The Nethe...

Страница 7: ...luke Fluke Fluke Fluke Fluke Fluke Fluke Fluke FOB Fluke Fluke FOB Fluke Fluke Fluke FOB Fluke Fluke Corporation P O Box 9090 Everett WA 98206 9090 U S A Fluke Europe B V P O Box 1186 5602 BD Eindhove...

Страница 8: ......

Страница 9: ...Sweep Specifications 1 18 GPIB Command Emulation Mode Specifications 1 18 2 Preparing the Instrument for Operation 2 1 Introduction 2 3 Contacting Fluke 2 3 Unpacking and Inspection 2 3 Storing and Sh...

Страница 10: ...18 Offset As Error Soft Key 3 18 Reference Soft Keys 3 19 Reference Off Soft Key 3 20 Frequency and Level Track Main Soft Keys 3 20 Rear Panel Controls and Connectors 3 21 Power Block and Switch 3 21...

Страница 11: ...ept Frequency Output Signal 3 56 Measurement Integrity at High Signal Levels 3 57 Measurement Integrity at Low Signal Levels 3 57 Eliminating Interference from the Ether 3 58 Eliminating Interference...

Страница 12: ...ers 4B 17 Status of the Output Queue MAV 4B 18 Using the Status Byte 4B 18 Selecting Summary Message to Generate SRQ 4B 18 RQS MSS 4B 19 Setting up the Instrument to Report Status 4B 19 Reading and Cl...

Страница 13: ...veled Sine Output With Offset 4D 4 Operation Status Register 4D 5 SRQ Operation and Error Handling 4D 5 4E HP 3335A Command Emulation 4E 1 3335A Emulation 4E 3 Preparing the Instrument for Remote 3335...

Страница 14: ...ent 5 53 Leveling Head Adjustment 50 5 56 Leveling Head Adjustment 75 5 58 Performance Test Record 5 62 Reference Frequency Accuracy 5 62 Frequency Accuracy 5 62 Harmonics and Spurious Signal Content...

Страница 15: ...A 7 15 A7 Power Transformer Assembly and T1 Low Voltage Transformer 7 15 A4 Power Supply PCA 7 15 A9 Leveling Head 50 and 75 Disassembly and Reassembly 7 16 Leveling Head Disassembly Procedure 7 16 Le...

Страница 16: ...9640A Instruction Manual viii...

Страница 17: ...3 9 Modulation Trigger Output Specifications 3 25 3 10 Global Preferences 3 26 3 11 Leveled Sine Preferences 3 37 3 12 Externally Leveled Sine Preferences 3 38 3 13 Reference Switching Preferences 3...

Страница 18: ...Accuracy Test 50 High Frequency Test Points Diode Power Sensor 5 24 5 14 Level Accuracy Test 50 Low Level Test Points 5 26 5 15 Optional Ultra Low Level Accuracy Test 50 Points 5 29 5 16 Attenuation A...

Страница 19: ...Message Unit 4B 10 4B 10 Syntax of a Terminated Response Message 4B 10 4B 11 Example of the TRIGger Subsystem Command Tree 4B 11 4B 12 Instrument Status Register Structure 4B 15 4B 13 Structural Overv...

Страница 20: ...ed Schematic Diagram 6 8 6 3 A2 RF Output PCA Simplified Schematic Diagram 6 9 6 4 A9 Leveling Head Assembly Simplified Block Diagram 6 10 7 1 Removing External Hardware and Shields 7 7 7 2 Removing t...

Страница 21: ...mary 1 3 Symbols 1 6 Product Description 1 7 Options and Accessories 1 8 Specifications 1 9 General Specifications 1 9 Frequency Reference Input Output Specifications 1 10 Leveled Sine Specifications...

Страница 22: ...9640A Instruction Manual 1 2...

Страница 23: ...atement identifies conditions or practices that could result in damage to the Instrument or equipment to which it is connected XW Warning To avoid electric shock personal injury or death carefully rea...

Страница 24: ...an instrument without first disconnecting the Instrument from the power source Never operate the Instrument with the cover removed or the case open Use caution when working with voltages above 30 V ac...

Страница 25: ...s similar the dimensions pin diameter of 75 differ significantly from those of 50 Make sure that the 50 Leveling Head is mated only to 50 systems and likewise that the 75 Leveling Head is mated only w...

Страница 26: ...ght be present Protective conductor terminal B AC Alternating Current E Capacitance F DC Direct Current G Diode I Fuse D or C AC or DC Alternating or Direct Current CAT IEC 61010 Overvoltage installat...

Страница 27: ...at enable the Instrument to be readily integrated into a typical RF calibration system Accurate level attenuation over a wide dynamic range Precision internal AM FM modulation including External Modul...

Страница 28: ...3 GPIB 2 HP8662A HP8663A GPIB command emulation Accessories Y9600 Rack Mount Slide Kit 9600CASE Rugged Transit Case 9600CONN RF Interconnect Kit The kit includes 1 Sacrificial N Connector Male to Fema...

Страница 29: ...C to 30 C 95 40 C 75 50 C 45 Altitude Operating 2 000 m Non operating 12 000 m Safety EN 61010 1 2001 CAN CSA 22 2 No 61010 1 2004 and UL 61010 1 2004 indoor use only pollution degree 2 installation...

Страница 30: ...cifications apply only if Internal Frequency Reference operation selected With External Frequency Reference operation selected the frequency of the Frequency Reference Output is locked to the signal a...

Страница 31: ...0 kHz to 128 MHz 10 to 23 dBm 0 035 dB 23 to 54 dBm 0 05 dB 54 to 90 dBm 0 15 dB 90 to 100 dBm 0 3 dB 1 Specifications are typical below 10 MHz at all attenuations and typical for attenuation greater...

Страница 32: ...dB 0 5 dB 0 5 dB 80 to 54 0 2 dB 0 2 dB 0 2 dB 0 5 dB 0 5 dB 0 5 dB 90 to 80 0 7 dB 0 7 dB 0 7 dB 1 0 dB 1 0 dB 1 0 dB 100 to 90 0 7 dB 0 7 dB 0 7 dB 1 0 dB 1 0 dB 120 to 100 Not Specified 1 5 dB 1 5...

Страница 33: ...Hz 86 90 112 118 135 140 141 146 142 149 152 155 153 155 500MHz 80 85 107 112 130 136 138 143 139 144 151 154 153 154 1GHz 74 78 101 106 125 130 134 138 134 138 148 152 151 153 2GHz 68 71 95 100 119 1...

Страница 34: ...2 dBm Carrier Level Accuracy 1 As Leveled Sine 0 5 dB typical Carrier Harmonics 50 dBc typical Rate 125 75 MHz 1 Hz to 220 kHz 1 of Carrier Frequency 127 75 MHz 1 Hz to 100 kHz Rate Resolution 0 1 Hz...

Страница 35: ...x depth V setting Typical Depth Accuracy 3 3 of setting 0 1 for 5 depth 1 Vpk input DC or 200 Hz to 20 kHz Residual Distortion 4 As AM Internal Sine for 1 Vpk input 100 kHz 1 Maximum input frequency...

Страница 36: ...for 50 kHz rate FM PM Sine Distortion 2 3 40 dBc 1 20 dB decade above 10 kHz See chart Typically 65 dBc 20 dB decade above 1 kHz 1 Phase modulation is generated by applying sinusoidal frequency modula...

Страница 37: ...3 of setting 240 mHz for 1 Vpk input DC or 200 Hz to 20 kHz rate deviation 0 01 Fc Residual Distortion 1 2 As FM Internal Sine for 1 Vpk input deviation 0 01 Fc Typically 55 dBc 20 dB decade above 10...

Страница 38: ...Sync Output Rear panel Trigger I O BNC connector selectable as sweep trigger input or sweep sync output Trigger Input TTL compatible logic input selectable as rising or falling trigger to start sweep...

Страница 39: ...ipping the Instrument 2 4 Power Considerations 2 5 Replacing the Power Cord 2 5 Replacing the Line Power Fuses 2 6 Selecting Line Voltage 2 6 Power On Sequence 2 8 Power On Self Test 2 8 Power On Stat...

Страница 40: ...9640A Instruction Manual 2 2...

Страница 41: ...register fluke com To see print or download the latest manual supplement visit http us fluke com usen support manuals Unpacking and Inspection W Warning To prevent personal injury use good lifting pra...

Страница 42: ...he container This container is the most suitable storage receptacle for the Instrument because it provides the necessary shock isolation during normal handling Store the boxed Instrument in a location...

Страница 43: ...round connection A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation The various power cords available for use with the Instrument are li...

Страница 44: ...s with the correct ratings See Table 2 4 5 Reinstall the fuse compartment by pushing it back into place until the tab locks Table 2 4 Line Power Fuse Line Power Fuse Action Fuse Rating IEC 127 Fluke P...

Страница 45: ...VE CONDUCT OR MUS T BE CONNECTED TO SAFETY EARTH GR OUND FOR CONTINUED PR OTECTION AGAINST FIRE USE 250V FUSE OF CORRECT RATING READ OPERA TORS MANU AL BEFORE USE NO USER SER VICEABLE P ARTS CONTAINED...

Страница 46: ...ceptance test performance test nor verification test Self test simply verifys the overall functional operation of the Instrument The power on sequence initiates the self test and the test is run every...

Страница 47: ...e Instrument settings are stored for recall at power down If this is not the first power on sequence for the Instrument the power on screen may not match the one shown here ead09f bmp First Power On S...

Страница 48: ...n may be required to ensure that the instrument is able to maintain a normal operating temperature and does not overheat W Warning To avoid fire hazard and to ensure that the instrument does not excee...

Страница 49: ...Keys 3 9 Spin Wheel 3 9 Keypad 3 10 Alphanumeric Keys 3 10 ALPHA Key 3 11 NEXT CHAR Key 3 11 BKSP Key Backspace 3 11 SPACE Key 3 11 EXP Key Exponent 3 12 ENTER Key 3 12 Screen Controls and Indicators...

Страница 50: ...eled Sine Output Signal 3 37 Setting Leveled Sine Preferences 3 37 Setting Externally Leveled Sine Preferences 3 38 Setting Reference Switching Preferences 3 39 Defining the Leveled Sine Output Signal...

Страница 51: ...on the front and rear panel Using the Instrument to create its intended RF Output sine modulated and swept signals Controls Indicators and Connectors The front panel of the Instrument is shown in Fig...

Страница 52: ...and amplitude range of the Instrument STBY OPER Standby Operate Keys The and keys control signal availability at the Leveling Head Output connector Pressing turns the green indicator on and places th...

Страница 53: ...rement Units Key SETUP Key The key provides access to a Setup screen SETUP SETUP ead14f eps Setup Key The Setup screen provides instrument configuration information including the following Options Fit...

Страница 54: ...ead06f bmp Calibration Screen Display The display is a visual line editor menu for configuring the output of the Instrument and also a monitor for verifying the configuration and output settings for t...

Страница 55: ...edit mode When this mode is available to a field an indicator shows in the soft labels to the right of each field Step edit or Cursor edit A toggle effect performed by the soft key next to the focus f...

Страница 56: ...is close to black and the green is noticeably gray White Inactive Green Active or OK ead23f eps Figure 3 2 Status Bar Soft Keys The Instrument has two sets of soft keys One vertical set running down t...

Страница 57: ...a in the focus field reacts to the and keys like a counter That is as the value under the cursor increases past nine 9 the number in the next higher decade increases by one 1 Similarly as the value un...

Страница 58: ...vel includes the digits 0 through 9 The shifted or second level includes the alpha characters A through Z _ and The decimal point and minus characters work with both levels Notice that the alpha chara...

Страница 59: ...n the selected field stop pressing Instead press the alpha key containing the next character to be added to the field or if the field data is complete press the ENTER key NEXT CHAR NEXT CHAR ead30f ep...

Страница 60: ...Status Bar ENTER ENTER ead38f eps Enter Key Screen Controls and Indicators Many of the front panel controls and indicators discussed earlier in this chapter are used exclusively for editing screen fi...

Страница 61: ...discussed here also apply to the Modulation and Sweep screens The Modulation and Sweep screens are not therefore discussed separately Note Step edit does not apply to the sweep screen only Cursor edit...

Страница 62: ...increments of a preset step size The step size is defined preset in a Step Size field at the bottom of the display With the step size set to a value other than zero both the up down cursor keys and th...

Страница 63: ...cause an error message and return the focus field to its previous value The backspace and exponent keys are also active in the Keypad edit mode ead18f bmp Keypad Edit Changing Displayed Units Measurem...

Страница 64: ...lection Preferences Soft Key All of the screens for settings preferences are listed on and accessible from the Instrument Setup screen which can be called by pressing However settings preferences rele...

Страница 65: ...a new indicator appears on the Status Bar indicating that Offset is on ead02f bmp Leveled Sine No Offset This new Offset field supports Cursor or Numeric edit and its value will be added to the curre...

Страница 66: ...et setting is now related to the UUT error When the Offset field is the focus field both its display and edit format may be switched from an expression of offset of Instrument output to an expression...

Страница 67: ...changed or updated dependent upon which key was pressed see the following Monitoring the References screen ead21f bmp Monitoring the References Note that the message Reference Frequency and Level Acti...

Страница 68: ...ck Main Soft Keys The Set as Reference soft key always transfers the current Level and Frequency settings into the reference settings If only a Ref Freq is required the Level Track Main soft key shoul...

Страница 69: ...INT O TTL INT O SWEEP TRIGGER INPUT 5V PK AUX PR OTECTIVE EARTH GR OUND RF COMMON RF COMMON 5V PK MODULA TION LEVELLING AND FREQUENC Y PULL INPUT _ 50 5V PK _ 50 OUTPUT TTL NOM INT O 1k 1k NOM NOM 50...

Страница 70: ...n user selectable 1 MHz steps Phase Noise specification holds only for 10 MHz or 20 MHz external clocks Lock Range 9640A 9640A LPN 30 ppm 1 ppm On screen lock indicator Amplitude 1 V pk nominal 5 V pk...

Страница 71: ...tions 2 An external phase detector and error amplifier for phase locking the output of the Instrument to that of another Instrument In this case this input is a voltage for controlling Instrument outp...

Страница 72: ...l 0 0001 ppm V to 1 0000 ppm V Polarity Sensitivity adjustable Input Impedance 10 k Nominal Note When using External Frequency Pull to phase lock two signal sources over a wide range of carrier freque...

Страница 73: ...ation waveform zero crossing Sine or positive peak Triangle Operating the Instrument This section of the manual contains operating instructions for the Instrument Before using these instructions read...

Страница 74: ...nd enter the desired preference in each See Table 3 10 for a list of the available global preferences Table 3 10 Global Preferences ead89f bmp Field Preference Display Brightness 10 to 100 1 steps Dis...

Страница 75: ...controls are locked out inoperable with the exception of the Go to Local soft key See the following Leveled Sine screen If the Go to Local soft key appears at the bottom of the display press it to re...

Страница 76: ...eir current GPIB address Only one personality can be Active 2 Use the scroll wheel or the keys to highlight a GPIB personality 3 Press the Set as Active soft key to change the current GPIB Personality...

Страница 77: ...a GPIB Emulation Personality A license for the HP3335 Emulation Personality is included as standard on the Instrument Other GPIB personalities require a License Key which may be purchased with the in...

Страница 78: ...ws 1 On the relevant License screen press the License Key soft key to display the License Key Entry screen ead264f bmp 2 Using the alpha numeric keypad enter the License Key provided The Keypad sectio...

Страница 79: ...ut into Standby The Base Unit and Leveling Heads are calibrated together and details of the association are stored in both the Base Unit and Leveling Heads Connecting a Head not associated with the Ba...

Страница 80: ...critical process Before making the connection to avoid damage to the instruments involved and to ensure measurement integrity read and observe the following cautions and warnings W Caution To prevent...

Страница 81: ...o lower quality connectors the opportunity for damaging the connectors increases On these high risk occasions consider using a sacrificial adapter to prevent damage to the N connectors W Caution Irrev...

Страница 82: ...the user with a way to save and recall up to 10 groups of settings associated with the instrument setup and or the output signal Each memory group has a default name SLOT 1 through SLOT 10 and is acc...

Страница 83: ...to rename a slot 1 From the Save Recall screen select the slot to be renamed 2 Press the Rename soft key A 10 character prompt appears at the bottom of the list 3 Use the Keypad to enter a new name f...

Страница 84: ...ll screen select the slot containing the settings to be recalled 2 Press the Recall Settings soft key The instrument immediately responds to the new settings Creating an RF Output Signal The Instrumen...

Страница 85: ...the right of the screen While each field is selected use the soft keys along the bottom of the display or the scroll wheel to choose a preference 4 To exit the screen press the Exit soft key or press...

Страница 86: ...o exit the screen press the Exit soft key or press one of the signal function keys or Table 3 12 Externally Leveled Sine Preferences ead341f bmp Field Preference Full Scale Voltage Enter the Full Scal...

Страница 87: ...key to bring up the Leveled Sine Preferences screen shown in Table 3 13 3 Press the Reference Preferences key to bring up the Reference Switching Preferences screen 4 Sequentially select each of the p...

Страница 88: ...ncy soft key again to enable Step edit a Select the Freq Step Step Size field b Enter the desired frequency step in the field 4 Select the Level field Cursor edit enabled and enter the desired output...

Страница 89: ...Vrms uV mV V W nW uW mW W dBuV Level Step 0 001 dB to 130 dB dB Vp p and Vrms uV mV V W nW uW mW W ppm Absolute Offset may be applied in either polarity to the full dynamic range of the parent parame...

Страница 90: ...er the desired offset value Notice that the value in the Frequency field follows the offset value 6 To toggle the offset value off and on use the Toggle Offset soft key at the bottom of the screen 7 T...

Страница 91: ...Instrument Setup screen 2 Press the Mod Prefs soft key to bring up the Modulation Preferences screen shown in Table 3 15 3 Sequentially select each of the preference fields using the soft keys to the...

Страница 92: ...ut level Notice that the Mod Rate field includes a definition of the modulating waveform Sine Tri triangle or External To select a specific waveform proceed as follows a Press the Mod Prefs soft key b...

Страница 93: ...arameter bottom of the screen An Offset label appears on the right of the screen 4 Press the Offset soft key to select the Offset field 5 Press the Offset soft key and enter the desired offset value N...

Страница 94: ...Hz to 220 kHz Mod Rate 1 Frequency 125 75MHz 1 Hz to 100 kHz Hz kHz Rate Step 0 1 Hz to 220 kHz Hz Hz kHz Absolute Offset may be applied in either polarity to the full dynamic range of the parent par...

Страница 95: ...the screen a Select the Level Step Step Size field b Enter the desired level step in the Level Step field 8 Select the Mod Rate field and enter the desired output rate Notice that the Mod Rate field i...

Страница 96: ...ther polarity to the full dynamic range of the parent parameter Hz kHz MHz GHz ppm Frequency Offset As UUT Error Will be calculated for any permitted Offset value subject to limitations of or ppm if t...

Страница 97: ...low ppm Deviation 010 kHz to 4 8000 MHz Dev 300 kHz 9 MHz to 31 4375 MHz Dev 750 kHz 31 4375 to 125 75 MHz Dev 0 12 Frequency 125 75 MHz Hz Hz kHz MHz Step Size 0 1 Hz to 4 8000 MHz Hz Hz kHz MHz Abso...

Страница 98: ...disable the offset use the Offset Disable soft key at the bottom of the display 8 Repeat this procedure as needed for each signal parameter 17 Creating a Phase Modulated Output Signal Use the followi...

Страница 99: ...Rate soft key again until a Rate Step field appears at the bottom of the screen a Select the Rate Step Step Size field b Enter the desired rate step in the Rate Step field 10 Select the Deviation fiel...

Страница 100: ...subject to limitations of or ppm if these units are used see below ppm Level 130 000 to 24 dBm 50 20 dBm max 125 75 MHz 14 dBm max 1 4084 GHz 136 000 to 18 dBm 75 14 dBm max 125 75 MHz 8dBm max 1 4084...

Страница 101: ...Hz to 31 4375 MHz Dev 750 kHz 31 4375 to 125 75 MHz Dev 0 12 Frequency 125 75 MHz rad Step Size 0001 rad to 1000 rad rad Absolute Offset may be applied in either polarity to the full dynamic range of...

Страница 102: ...the display 7 To disable the offset use the Offset Disable soft key at the bottom of the display 8 Repeat this procedure as needed for each signal parameter Creating a Sweep Output Signal The followin...

Страница 103: ...s 4 Disable Output or Input Typically Trigger is disabled This allows the Sweep to run repetitively or as a single shot when prompted Start Sweep key without accounting for a trigger Output configures...

Страница 104: ...the Sweep Start soft key at the bottom of the display The progress bar displays the completion state of the sweep in the unit of measure defined in the Sweep Preferences screen To stop or pause the sw...

Страница 105: ...n Units of Steps per Sweep or Steps per Decade only In the latter case Span must be larger than a decade Any entry expressed in or converted to is subject to a limit of 1000 Any expressed in ppm or co...

Страница 106: ...ing of the clock to the signal Attenuation in the Leveling Head close to the Load Floating RF Common Transformer coupling of the Reference Clock input and output Another way to reduce common mode coup...

Страница 107: ...e Page Introduction 4A 3 Preparing the Instrument for Remote Operation 4A 3 Equipment Connections 4A 3 About the Bus Address 4A 4 Setting the Bus Address and Other Preferences 4A 4 Switching to Remote...

Страница 108: ...9640A Instruction Manual 4A 2...

Страница 109: ...under the direction of the system controller In a system devices connected to the IEEE 488 bus are designated as talkers listeners talker listeners or controllers The Instrument operates exclusively a...

Страница 110: ...s 1 From the front panel press to bring up the Instrument Setup screen 2 Press the GPIB Preferences soft key to bring up the GPIB Personality screen ead32f bmp GPIB Personality Screen Note For instruc...

Страница 111: ...le both from the front panel and from the IEEE 488 bus There is no physical switch for selecting remote operation Rather when the Instrument receives a bus message it switches to remote operation If t...

Страница 112: ...a status byte as response to a serial poll from the controller Automatic un addressing as a talker when it is addressed as a listener Listener Function L4 The Instrument can receive programming instru...

Страница 113: ...tax and Style 4B 8 Syntax of Program Messages 4B 8 Syntax of Response Messages 4B 10 Command Tree 4B 11 Moving down the Command Tree 4B 11 Parameters 4B 12 Numeric Data 4B 12 Boolean Data 4B 12 Other...

Страница 114: ...ng up the Instrument to Report Status 4B 19 Reading and Clearing Status 4B 19 Status Byte 4B 19 Status Event Registers 4B 20 Status Condition Registers 4B 20 Summary 4B 20 Standard Status Registers 4B...

Страница 115: ...dependent and no longer instrument dependent Several different types of instruments for example an oscilloscope a Instrument and a multimeter can carry out the same function such as frequency measure...

Страница 116: ...I experience however will understand the meaning and reasons of a SCPI program because of his knowledge of the standard Changes extensions and additions are much easier to make in an existing applicat...

Страница 117: ...n the controller addresses the instrument as talker the instrument takes data from the Output Queue and sends it over the GPIB to the controller Message Exchange Control Protocol Another important fun...

Страница 118: ...e device as talker If the controller breaks this rule the device will report a query error unterminated action The controller must read the response to a query in a previously terminated program messa...

Страница 119: ...the Go To Local soft key The Instrument in Local Operation When the Instrument is in local operation the instrument is fully programmable both from the front panel and from the bus If a bus message ar...

Страница 120: ...Message The is the pmt program message terminator and it must be one of the following codes Note NL is the same as the ASCII LF LF line feed ASCII 10 decimal The END message is sent via the EOI line...

Страница 121: ...stening The syntax specification of a command is as follows POWer OFFSet numeric value Where POW and OFFS specify the shortform and POWer and OFFSet specify the longform However POWE or OFF are not al...

Страница 122: ...n one response message according to the syntax shown in Figure 4B 10 ResponseMessageUnit ead109f eps Figure 4B 10 Syntax of a Terminated Response Message The response message terminator rmt is always...

Страница 123: ...the command syntax A single command header begins from the root level downward to the leaf nodes of the command tree Leaf nodes are the last keywords in the command header before the parameters Exampl...

Страница 124: ...y contain both a decimal point and an exponent base 10 These numerals are often represented as NRf NR NumeRic f flexible format Boolean Data A Boolean parameter specifies a single binary condition whi...

Страница 125: ...do the following Clear the input buffer Clear the output queue Reset the parser Clear any pending commands The device clear commands will not do the following Change the instrument settings or stored...

Страница 126: ...tructures See Status Reporting system in this chapter The following happens when you use the CLS command The instrument clears all event registers summarized in the status byte register It empties all...

Страница 127: ...us Enable Register Summary Bit QSS QUEStionable EVENt QUEStionable ENABle Nrf bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 QUEStionable ENABle Summary...

Страница 128: ...u have read all errors the queue is empty and the SYSTem ERRor query will return 0 No error When errors occur and you do not read these errors the Error Queue may overflow Then the instrument will ove...

Страница 129: ...contains eight bits Each bit shows if there is information to be fetched in the above described registers and queues of the status structure Using the Registers Each status register monitors several c...

Страница 130: ...tus message It is sent to the controller as a response to a serial poll or a STB query Each bit in the status byte contains a summary message from the status structure You can select what bits in the...

Страница 131: ...lude the following steps in your program CLS clears all event registers and the error queue ESE bit mask selects what conditions in the Standard Event Status register should be reported in bit 5 of th...

Страница 132: ...continues to indicate true until you read the register STATus OPERation CONDition reads the Operation Status Condition register STATus QUEStionable CONDition reads the Questionable Status Condition re...

Страница 133: ...n Figure 4B 14 Output Queue not empty r ead by STB Service Request Enable Logical OR Statu s Byte Register SRQ signal 1 6 RQS MSS ESB MAV Service Request Generation Standard Event Status Enable Logica...

Страница 134: ...orrect but the Instrument cannot execute it for example because a parameter is out of range Bit 3 weight 8 Device dependent Error DDE A device dependent error is any device operation that did not exec...

Страница 135: ...ng of Operation Status in the status byte SRE 128 Enable SRQ when operation status has something to report STAT OPER Reading and clearing the event register of the Operation Status Register structure...

Страница 136: ...tructure to a known state with a single command the STATus PRESet command which does the following Disables all bits in the Standard Event Register the Operation Status Register and the Questionable D...

Страница 137: ...10 FM Subsystem 4C 11 PM Subsystem 4C 12 SWEep Subsystem 4C 13 Trigger Subsystem 4C 14 REFerence Subsystem 4C 15 UNIT Subsystem 4C 16 UNIT Subsystem cont 4C 17 ROSCillator Subsystem 4C 18 SYSTem Subsy...

Страница 138: ...9640A Instruction Manual 4C 2...

Страница 139: ...ents the SCPI Standard Commands for Programmable Instruments Command Set for the Instrument The commands are presented in a series of tables that are organiged by functional subsystems power AM FM Swe...

Страница 140: ...meric values also zero is interpreted as OFF and any non zero value as ON name Name parameter Select a parameter name from a listed group string String program data type enclosed in double quotes NRf...

Страница 141: ...s a numeric value instead of the identifier used in the SELect command When queried it shall return the logical instrument number Changing the selected instrument will put the output into standby Note...

Страница 142: ...mum isolation from the signal OUTP ROSCillator STATe bool Unchanged The STATe command controls whether the reference frequency is output on the rear panel BNC OUTP ROSCillator FREQuency NRf Unchanged...

Страница 143: ...ll Scale Voltage INP LEVel FSP NRf Unchanged Selects the external leveling Full Scale Power INP LEVel RTIMe name SLOW FAST SLOW Selects the external leveling filter speed INP LEVel CLAMp NRf Unchanged...

Страница 144: ...s value is an offset that is added to the output value SOUR POW OFFS STATe bool OFF Command not available in the sweep instrument This selects whether the offset mode is present SOUR POW OFFS APPLy bo...

Страница 145: ...n the sweep instrument This selects whether the offset value is added to the output frequency Note The offset state must be on for this command to operate SOUR FREQ OFFS ERRor NRf 0 0 Command not avai...

Страница 146: ...setting the offset as an error rather than an absolute SOUR AM INTernal FREQuency NRf 500 Hz This selects the modulation frequency of the AM SOUR AM INT FREQ OFFSet NRf 0 0 Hz This value is added to...

Страница 147: ...or NRf 0 0 Adjusts the output depth by setting the offset as an error rather than an absolute SOUR FM INTernal FREQuency NRf 1 0 kHz This selects the modulation frequency of the FM SOUR FM INT FREQ OF...

Страница 148: ...The offset state must be on for this command to operate SOUR PM DEViation OFFS ERRor NRf 0 0 Adjusts the output depth by setting the offset as an error rather than an absolute SOUR PM INTernal FREQue...

Страница 149: ...unt of time spent at each point during a sweep SWE SPACing name LINear LOGarithmic LIN Selects which type of sweep is performed SWE STEP NRf 1 0 kHz Selects the frequency for each step of the sweep SW...

Страница 150: ...onflict will be reported if the TRIGger SOURce is set to external INIT CONTinuous bool OFF Determines whether the sweep is a single event or repetitive TRIG SEQuence TYPE name DISable INPut OUTput DIS...

Страница 151: ...the main sine instrument SOUR REF COPY This copies the current values from the main sine parameter to the reference values There is no query form SOUR REF CONFirm name DISable ALWays ABSolute INCrease...

Страница 152: ...ds of the currently selected instrument PCT is for percent PPM is for parts per million UNIT AM DEPT OFFS ERRor name PCT PPM PCT This command sets the units of all depth offset error commands of the c...

Страница 153: ...or name PCT PPM PCT This command sets the units of all deviation offset error commands of the currently selected instrument PCT is for percent PPM is for parts per million UNIT PM DEV OFFS ERRor name...

Страница 154: ...ROSC EXTernal FREQuency NRf Unchanged Sets the external Frequency in Hz SOUR ROSC LOCKed n a Query returns 1 if frequency is locked to either the internal or external SOURce SYSTem Subsystem Keyword P...

Страница 155: ...gister STAT QUES CONDition n a Query only Returns the contents of the Questionable Condition Register STAT PRESent n a Sets Registers to a SCPI defined state CALibration Subsystem Keyword Parameter Fo...

Страница 156: ...o the device s Output Queue when all pending selected device operations have been finished Currently only AM settings have significant delays OPT Response is a list of all detectable options present i...

Страница 157: ...sed Always zero 5 32 Waiting for Trig Waiting for a sweep trigger 6 64 Waiting for Arm Not used Always zero 7 128 Correcting Not used Always zero 8 256 Unassigned Not used Always zero 9 512 Unassigned...

Страница 158: ...bration Not used Always zero 7 128 Unassigned Not used Always zero 8 256 Characterization Factory use only 9 512 External Ref Frequency unlocked Unable to lock to the externally supplied frequency 10...

Страница 159: ...ds could be used individually to configure an instrument with the other parameter assumed or defaulted However there are instances when both commands are required together before the requested configu...

Страница 160: ...ws that frequency and power are inter dependant and that executing power then frequency would be illegal so it executes the frequency command first then the power command to successfully get to the po...

Страница 161: ...s a coupled row COMMAND 13 12 11 10 9 8 7 6 5 4 3 2 1 0 FREQuency x x x POWer x x x FM DEViation x FM INT FREQ x FM SHAPe x PM DEViation x PM INT FREQ x AM INT FREQ x AM SHAPe x AM DEPTh x FREQuency C...

Страница 162: ...FSet x FM DEV OFFSet STATe x FM DEV OFFSet APPLy x FM DEV OFFSet ERRor x FM INT FREQ OFFSet x FM INT FREQ OFFSet STATe x FM INT FREQ OFFSet APPLy x FM INT FREQ OFFSet ERRor x PM DEV OFFSet x PM DEV OF...

Страница 163: ...ing Examples Title Page Remote Programming Examples 4D 3 Leveled Sine Output 4D 3 AM Output 4D 3 FM Output 4D 3 Sweep Output 4D 4 Leveled Sine Output With Offset 4D 4 Operation Status Register 4D 5 SR...

Страница 164: ...9640A Instruction Manual 4D 2...

Страница 165: ...current output signal is in V rms UNIT POW VRMS POWER Instrument responds with the value 4 360000000000E 02 AM Output Requirement To output a 500 kHz 5 0 dBm carrier wave with a 2 kHz 15 depth modulat...

Страница 166: ...y an external trigger INST SWEEP FREQ CENT 100E6 FREQ SPAN 20E6 UNIT POWER VRMS POWER 1 0 SWE SPAC LOG SWE DWELL 1 0 UNIT SWEEP STEP SPD SWEEP STEP 15 OUTP ON TRIG SOURCE EXT The sweep will only begin...

Страница 167: ...5 seconds STATUS OPER COND Instrument responds with a value that has bit 0 clear i e the value 0 SRQ Operation and Error Handling Requirement To generate a service request from the Instrument when it...

Страница 168: ...9640A Instruction Manual 4D 6...

Страница 169: ...HP 3335A Command Emulation Title Page 3335A Emulation 4E 3 Preparing the Instrument for Remote 3335A Emulation 4E 3 Commands that are Emulated 4E 4 Commands Not Emulated 4E 5 Other Differences in Emul...

Страница 170: ...9640A Instruction Manual 4E 2...

Страница 171: ...bus setting Therefore if the user manually switches the Instrument from remote to local makes a setting change and then switches back to remote the Instrument may not be in the state the controlling c...

Страница 172: ...s for numeric entry KHz dBm K Units for numeric entry Hz deg H Units for numeric entry Increment up U Increment the currently active parameter F or A Increment down D Decrement the currently active pa...

Страница 173: ...ep and the sweep continues without restart Does not emulate this behaviour because it needs to calculate the sweep parameters before the sweep starts Has a Sweep Output Connector to provide a 0 to 2 v...

Страница 174: ...9640A Instruction Manual 4E 6...

Страница 175: ...3A Command Emulation Title Page Emulation 4F 3 Preparing the Instrument for Remote 8662 8663A Emulation 4F 3 Emulated Commands 4F 5 8662A 8663A Features Not Emulated 4F 8 Error Message Matching 4F 8 R...

Страница 176: ...9640A Instruction Manual 4F 2...

Страница 177: ...l makes a setting change and then switches back to remote the Instrument may not be in the state the controlling computer expects when it resumes control Preparing the Instrument for Remote 8662 8663A...

Страница 178: ...2 GPIB Preferences Screen Note The output threshold set in GPIB Preference has no effect in the local mode Exceeding the threshold in local and then switching to remote can cause the GPIB Max Output t...

Страница 179: ...quivalent operation Table 4F 1 Emulated 8662A 8663 Commands Feature 8662 8663 Code Emulate Comment Amplitude AP Uses units of D for dBm D for dBm DM for dBm MV for mV UV for V AO Amplitude Off actuall...

Страница 180: ...he frequency KZ is for units of kHz PM PMddDG Sets up Phase Modulation dd is the angle DG is for units of degrees Pulse PL X Pulse Modulation The 9640A does not have this functionality Modulation M0 M...

Страница 181: ...ter which if enabled will generate and SRQ SP89 BLAP89 8663A HPIB operator Response This sets a bit in the Service Request register which if enabled will generate and SRQ Trigger Mode CT X Configure T...

Страница 182: ...e BNC connector to select the externally supplied ref freq The equivalent of these can be found under the general preferences setup GET Group Execute Trigger is supported GET Group Execute Trigger is...

Страница 183: ...ts are emulated by the Instrument 8 7 6 5 4 3 2 1 128 64 32 16 8 4 2 1 SP87 RQS Sweep End Param Changed Power Fail HW error Entry Error Ready SP87 Sending this command causes an SRQ Sweep End When the...

Страница 184: ...9640A Instruction Manual 4F 10...

Страница 185: ...de Title Page Introduction 4G 3 The GPIB Trace Soft Keys and Menus 4G 3 Buffer Navigation 4G 3 Display Formatting 4G 4 Clearing a Trace 4G 4 Exporting the Trace Data 4G 5 Configuring a Terminal Emulat...

Страница 186: ...9640A Instruction Manual 4G 2...

Страница 187: ...ersonality screen press the GPIB Trace soft key This will bring up the GPIB Trace screen and display the contents of the trace buffer ead351f bmp GPIB Trace Screen The field on the left contains eithe...

Страница 188: ...and Hexadecimal on Two soft keys at the bottom of the trace screen operate in a toggle mode to control the display format that is Show As ASCII Hexadecimal and Show Hide Time Stamp Clearing a Trace Th...

Страница 189: ...ntents of a GPIB Trace Buffer Configuring a Terminal Emulator Any terminal emulator can be used to receive the exported trace data This includes a HyperTerminal Tera Term Pro or any of the many VT100...

Страница 190: ...9640A Instruction Manual 4G 6...

Страница 191: ...tion Accuracy 75 Optional 5 46 VSWR Test 75 Optional 5 48 Calibration Adjustments 5 51 Rear Panel Calibration Enable Switch 5 52 Reference Frequency Adjustment 5 52 Base Adjustment 5 53 Leveling Head...

Страница 192: ...9640A Instruction Manual 5 2...

Страница 193: ...r and over the calibration enable switch It is recommended that users apply calibration integrity seals in the same three locations Environmental and warm up conditions required for the performance te...

Страница 194: ...ridge Agilent 86207A Directivity 40 dB 5 MHz to 1 3 GHz Attenuator 6 dB 50 male female Weinschel Model 1 6 VSWR DC to 4 GHz 1 15 Precision 50 Open Short Termination Narda Microwave 231 416 Minimum Ref...

Страница 195: ...y a list of the equipment required to perform the test and a figure detailing the equipment connections for the test Perform the tests in sequence ensuring that all prior equipment connections have be...

Страница 196: ...veral readings and settle The settled counter reading must be from 9 99999960 to 10 00000040 MHz 7 Set the UUT output to STBY Disconnect the UUT REF FREQUENCY OUTPUT from the frequency counter input C...

Страница 197: ...ect the 50 Leveling Head to the Channel A input of the frequency counter using a Type N female to BNC male adapter Set the frequency counter input impedance to 50 See Figure 5 2 for equipment connecti...

Страница 198: ...002 0 MHz 100 MHz 99 999 996 0 100 000 004 0 MHz 500 MHz 499 999 980 500 000 020 MHz 1 GHz 0 999 999 960 1 000 000 040 GHz 2 GHz 1 999 999 920 2 000 0000 80 GHz 2 7 GHz 2 699 999 892 0 2 700 000 108 0...

Страница 199: ...ed to in step 5 Note Signal content at the required harmonic frequency may be well below the tolerance limit and difficult to observe on the analyzer display with the above settings Provided the harmo...

Страница 200: ...T FACTORY SET REF FREQUENC Y INPUT REF F REQUENC Y OUTPUT 6 7 8 ENABLE DISABLE 1V PK INTO TTL INTO SWEEP TRIGGER INPUT 5V PK AUX PR OTECTIVE EAR TH GR OUND RF COMMON RF COMMON 5V PK MODULATION LEVELL...

Страница 201: ...2 142 GHz 60 dBc 1 GHz 2 GHz 60 dBc 3 GHz 60 dBc 20 dBm 1 4 GHz 2 8 GHz 55 dBc 4 2 GHz 55 dBc 1 8 GHz 3 6 GHz 55 dBc 5 4 GHz 55 dBc 2 7 GHz 5 4 GHz 55 dBc 8 1 GHz 55 dBc 14 dBm 4 024 GHz 8 048 GHz 55...

Страница 202: ...own internal frequency reference for this test 2 Set the spectrum analyzer as follows PRESET EXT REF On REF LEVEL 16 dBm CENTER FREQ 1 GHz SPAN 1 MHz 3 Set the UUT as follows Mode Leveled Sine Freque...

Страница 203: ...source analyzer Note Do not connect the UUT and signal source analyzer frequency reference inputs and outputs Each instrument must be operating independently from its own internal frequency reference...

Страница 204: ...in Table 5 6 At each offset frequency observe the marker data on the display of the signal source analyzer and verify the phase noise is within the limit shown in Table 5 6 10 Set the UUT output to ST...

Страница 205: ...ncy 30 MHz Level 10 dBm Mod Rate 1kHz Sine AM Depth 50 Output OPER Modulation ON 4 Use the measuring receiver autotune feature to tune to the input signal and measure the AM rate Verify that the measu...

Страница 206: ...receiver autotune feature to tune to the input signal and when tuning is complete set the UUT to Modulation ON 11 Measure the FM rate Verify that the measured rate is within the tolerance listed in T...

Страница 207: ...e 5 10 15 Repeat step 15 for the remaining FM deviation test points listed in Table 5 10 When setting a new carrier frequency select MODULATION OFF and repeat step 14 prior to repeating step 15 Table...

Страница 208: ...rom 10MHz to 300MHz a small offset 50kHz is added to the listed nominal frequency if the test frequency is a multiple of 10MHz 1 Connect the 50 Leveling Head to the INPUT 1 connector on the AC Measure...

Страница 209: ...vg Ref Vin Ref Ref 27 0 PPM Range 2 2V AUTO 5790A AC MEASUREMENT STANDARD 50 Leveling Head 50 Feedthrough Common Mode Choke Insert common mode choke here 5790A Input 1 5790A Ground Terminal AC Measure...

Страница 210: ...ipment connections 9 Set the UUT as follows Mode Leveled Sine Frequency 100 kHz Level 16 dBm Output OPER Table 5 11 Level Accuracy Test 50 low frequency test points Amplitude Frequency Tolerance 1 kHz...

Страница 211: ...r the measurement However the power sensor may also be accompanied by a table of calibration factors which must be applied externally 11 Allow the power meter reading to settle Record the measured lev...

Страница 212: ...P3 0 50 dB 100 kHz P2 Reference 10 MHz P3 0 05 dB 100 MHz P3 0 05 dB 300 MHz P3 0 10 dB 1 4 GHz P3 0 25 dB 3 GHz P3 0 30 dB 3 dBm 4 GHz P3 0 50 dB 18 Connect the 50 Leveling Head to the 50 diode power...

Страница 213: ...3 Enter the measurement frequency into the power meter and allow the power meter reading to settle Record the measured level in dBm as P3 Calculate the UUT output Pout P1 P3 P2 24 Check that the value...

Страница 214: ...3 0 05 dB 100 MHz P3 0 05 dB 300 MHz P3 0 10 dB 1 4 GHz P3 0 25 dB 3 GHz P3 0 30 dB 17 dBm 4 GHz P3 0 50 dB 100 kHz P2 Reference 10 MHz P3 0 05 dB 100 MHz P3 0 05 dB 300 MHz P3 0 10 dB 1 4 GHz P3 0 50...

Страница 215: ...OWER INPUT 230 VA MAX FREQ 47 63 Hz SERIAL POR T FACTORY SET REF FREQUENC Y INPUT REF F REQUENC Y OUTPUT 6 7 8 ENABLE DISABLE 1V PK INTO TTL INTO SWEEP TRIGGER INPUT 5V PK AUX PR OTECTIVE EAR TH GR OU...

Страница 216: ...to the next frequency listed in part A of Table 5 14 and repeat steps 30 through 34 35 Set the UUT to 100kHz at 47dBm Repeat steps 30 through 35 for the points listed in part B of Table 5 14 using the...

Страница 217: ...dBm Prel 1 00 dB 1 4 GHz 95 dBm P 95 Prel 1 50 dB 47 dBm Reference Reference 57 dBm Prel 0 50 dB 3 GHz 75 dBm Prel 1 00 dB 47 dBm Reference Reference 57 dBm Prel 0 50 dB B 4 GHz 75 dBm Prel 1 00 dB No...

Страница 218: ...tenuator reference level and resolution bandwidth settings must not change 37 On the UUT enable the REF FREQUENCY OUTPUT at 10 MHz and set the UUT as follows Frequency 10 MHz Level 85 dBm Output OPER...

Страница 219: ...Bm Prel 1 50 dB 85 dBm Reference Reference 300 MHz 105 dBm Prel 1 50 dB 85 dBm Reference Reference A 1 4 GHz 105 dBm Prel 1 50 dB 95 dBm Reference Reference 115 dBm Prel 1 50 dB 10 MHz 124 dBm Prel 1...

Страница 220: ...CK LOCK DEF MNO ABC JKL GHI WXYZ TUV PQRS ENTER SINE MOD SWEEP UNITS SETUP OPER CAL IEEE 488 SH1 AH1 T6 L4 SR1 RL1 PP0 DC1 DT0 C0 E2 MADE IN UK FLUKE CORPORA TION www fluke com TO BE APPLIED FOR CONFO...

Страница 221: ...equency 10 MHz Level 16 dBm Output OPER 3 Allow the measuring receiver to tune the input signal and then set the controls to measure RF level relative dB to the current input level 4 At each attenuati...

Страница 222: ...P OPER 9610A AF REFERENCE SOURCE 10V PK MAX RF COMMON 96xx HEAD INTERFACE RF OUTPUT CONTROL CONNECT 96xx HEAD ONLY STBY NEXT CHAR 6 9 5 8 4 7 7 3 2 1 0 SPACE EXP BKSP ALPHA LOCK LOCK DEF MNO ABC JKL G...

Страница 223: ...asured with the test port open and shorted Record this number as ZMax for the test frequency of 500 MHz 13 Repeat steps 6 through 12 for the next test frequency at 13dBm listed in Table 5 17 setting t...

Страница 224: ...in step 15 to the test frequency 23 Repeat steps 5 through 22 for the remaining UUT output levels and maximum VSWR values in Table 5 17 24 Set the UUT to STBY Table 5 17 VSWR Test 50 Frequency Level...

Страница 225: ...s from 10 MHz to 300 MHz a small offset 50 kHz is added to the listed nominal frequency if the test frequency is a multiple of 10 MHz 1 Connect the 75 Leveling Head to the INPUT 1 connector on the AC...

Страница 226: ...2 mV 22 mV 220 mV 7 mV 70 mV 700 mV 2 2 V 22 V 220 mV 7V 70V 700V 1kV RESET EX TRIG TRIG VIEW REF UTIL MENUS SPEC CLEAR DELETE ENTER 0 1 2 3 4 5 6 7 8 9 V H Z SHELL FLOATING 10V PEAK MAX Clear Ref INP...

Страница 227: ...0 06 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 3 dBm 100 kHz P1 0 06 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 13 dBm 100 kHz 0 06 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 23 dBm 100 kHz P1 0 06 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 3...

Страница 228: ...tion Note The recommended power meter has power sensor calibration factors stored internally in the sensor Setting the input frequency in the power meter automatically selects the appropriate cal fact...

Страница 229: ...t the UUT to 100kHz at the next amplitude listed in Table 5 19 and repeat steps 11 through 16 18 Set the UUT output to STBY Table 5 19 Level Accuracy Test 75 High Frequency Test Points Amplitude Frequ...

Страница 230: ...TINUED PR OTECTION AGAINS T ELECTRIC SHOCK THE PO WER CORD PR OTECTIVE CONDUCT OR MUS T BE CONNECTED TO S AFETY EAR TH GR OUND FOR CONTINUED PR OTECTION AGAINS T FIRE USE 250V FUSE OF CORRECT RA TING...

Страница 231: ...al and then set the controls to measure RF level relative dB to the current input level 22 Without changing any measuring receiver settings set the UUT to the next amplitude for this frequency listed...

Страница 232: ...dBm Reference Reference 72 dBm Prel 0 20 dB 10 MHz 91 dBm P 91 0 70 dB 43 dBm Reference Reference 72 dBm Prel 0 20 dB 125 MHz 91 dBm P 91 Prel 0 70 dB 43 dBm Reference Reference 72 dBm Prel 0 20 dB 3...

Страница 233: ...dB 10 MHz 101 dBm P 101 Prel 1 50 dB 33 dBm Reference Reference 53 dBm Prel 0 15 dB 63 dBm Prel 0 20 dB 81 dBm Prel 0 70 dB 125 MHz 101 dBm P 101 Prel 1 50 dB 33 dBm Reference Reference 53 dBm Prel 0...

Страница 234: ...ings to provide adequate linearity noise floor and reading repeatability throughout the amplitude range required For any given frequency the measuring receiver the settings must be maintained for all...

Страница 235: ...B 91 dBm Reference Reference 300 MHz 111 dBm Prel 1 50 dB 91 dBm Reference Reference 1 4 GHz 111 dBm Prel 1 50 dB 91 dBm Reference Reference A 2 GHz 111 dBm Prel 1 50 dB 101 dBm Reference Reference 10...

Страница 236: ...7 7 3 2 1 0 SPACE EXP BKSP ALPHA LOCK LOCK DEF MNO ABC JKL GHI WXYZ TUV PQRS ENTER SINE MOD SWEEP UNITS SETUP OPER CAL IEEE 488 SH1 AH1 T6 L4 SR1 RL1 PP0 DC1 DT0 C0 E2 MADE IN UK FLUKE CORPORA TION w...

Страница 237: ...put signal and then set the controls to measure RF level relative dB to the current input level 4 At each attenuation level listed in Table 5 22 allow the measuring receiver reading to stabilize The i...

Страница 238: ...uts are enabled for input at 10 MHz 3 Connect the signal generator RF output to the input port of the directional bridge Connect the directional bridge coupled output port to the spectrum analyzer inp...

Страница 239: ...SETUP OPER Instrument UUT Signal Generator RF Input Spectrum Analyzer Open Short 75 Directional Bridge Input Port Test Port Connect the Signal Generator and Spectrum Ananlyzer Frequency Reference Inp...

Страница 240: ...The calculated value must be 1 1 1 1 VSWR 22 Repeat steps 16 through 21 for the remaining test frequencies and maximum VSWR values in Table 5 23 setting the spectrum analyzer center frequency in step...

Страница 241: ...ment It is recommended that the users of the calibration process familiarize themselves with the entire calibration adjustment process prior to attempting any calibration adjustment operations Environ...

Страница 242: ...ent sequence may be omitted if measurement capability is not available A spreadsheet file containing a detailed list of calibration adjustment points is available on the CD supplied with the Instrumen...

Страница 243: ...ument 2 Using the keypad enter the password followed by the ENTER key 3 Press the soft key Adjust Base 4 Remove the Leveling Head from the UUT base unit if connected Connect the UUT SMA output to INPU...

Страница 244: ...Setting the input frequency in the power meter automatically selects the appropriate cal factor for the measurement However the power sensor may also be accompanied by a table of calibration factors...

Страница 245: ...ng which the analyzer settings must be static 18 Using the blue arrow keys and rotary knob edit the UUT Actual output until the spectrum analyzer indicates the Target value stated Press Accept Target...

Страница 246: ...ng Head to the input of the AC Measurement Standard via a precision 50 feedthrough termination If a Type N feedthrough termination is not available use a 50 BNC feedthrough termination and appropriate...

Страница 247: ...surement frequency corresponding to each Target into the power meter to enable cal factor frequency correction Note The recommended power meter has power sensor calibration factors stored internally i...

Страница 248: ...o OPER 22 Set the spectrum analyzer reference level span resolution and or video bandwidth as necessary to make a high quality level measurement at the applied level and frequency Note For each freque...

Страница 249: ...e UUT Leveling Head to the input of the AC Measurement Standard via a precision 75 feedthrough termination If a Type N feedthrough termination is not available use a 75 BNC feedthrough termination and...

Страница 250: ...easurement frequency corresponding to each Target into the power meter to enable cal factor frequency correction Note The recommended power meter has power sensor calibration factors stored internally...

Страница 251: ...at that frequency after the transfer point In particular analyzer attenuator reference level and resolution bandwidth settings must not change Typically there are 3 or 4 amplitudes per frequency poin...

Страница 252: ...the following measurements Reference Frequency Accuracy Test Frequency Actual Tolerance After 24 hour warm up 10 MHz 0 04 ppm Frequency Accuracy Use a high resolution frequency counter and external f...

Страница 253: ...z 60 dBc 22 MHz 44 MHz 60 dBc 66 MHz 60 dBc 32 38 MHz 62 5 MHz 60 dBc 93 75 MHz 60 dBc 44 MHz 88 MHz 60 dBc 132 MHz 60 dBc 62 5 MHz 125 MHz 60 dBc 187 5 MHz 60 dBc 88 MHz 176 MHz 60 dBc 264 MHz 60 dBc...

Страница 254: ...2 1 GHz 60 dBc 2 199 997 GHz 60 dBc 2 200 003 GHz 60 dBc 2 399 997 GHz 60 dBc 2 600 003 GHz 60 dBc 2 7 GHz 60 dBc 2 799 997 GHz 60 dBc 2 800 003 GHz 60 dBc 3 0 GHz 60 dBc 3 199 997 GHz 60 dBc 3 200 00...

Страница 255: ...cy Tolerance 1 kHz 97 dBc Hz 10 kHz 118 dBc Hz 100 kHz 118 dBc Hz 1 MHz 124 dBc Hz 13 dBm 1 GHz 10 MHz 142 dBc Hz Model 9640A LPN Phase Noise Optional Use a signal source analyzer to make the followin...

Страница 256: ...Modulation Rate Depth Actual Tolerance 1 kHz 80 2 5 125 MHz 100 kHz 80 3 1 1 kHz 80 3 1 14dBm 1 GHz 100 kHz 80 3 1 Frequency Modulation Rate Test Level Frequency Modulation Rate Deviation Actual Toler...

Страница 257: ...50 Test Level Frequency Actual Tolerance 1 kHz 0 05 dB 20 kHz 0 05 dB 100 kHz 0 05 dB 10 MHz 0 05 dB 100 MHz 0 05 dB 300 MHz 0 1 dB 16 dBm 1 4 GHz 0 25 dB 1 kHz 0 05 dB 20 kHz 0 05 dB 100 kHz 0 05 dB...

Страница 258: ...MHz 0 05 dB 300 MHz 0 1 dB 1 4 GHz 0 25 dB 3 GHz 0 3 dB 7 dBm 4 GHz 0 5 dB 1 kHz 0 05 dB 20 kHz 0 05 dB 100 kHz 0 05 dB 10 MHz 0 05 dB 100 MHz 0 05 dB 300 MHz 0 1 dB 1 4 GHz 0 25 dB 3 GHz 0 3 dB 17 d...

Страница 259: ...GHz 0 5 dB 3 GHz 0 5 dB 37 dBm 4 GHz 0 5 dB 1 kHz 0 05 dB 20 kHz 0 05 dB 100 kHz 0 05 dB 10 MHz 0 05 dB 100 MHz 0 05 dB 300 MHz 0 1 dB 1 4 GHz 0 5 dB 3 GHz 0 5 dB 47 dBm 4 GHz 0 5 dB 100 kHz 0 2 dB 1...

Страница 260: ...rance 100 kHz 0 5 dB 10 MHz 0 5 dB 100 MHz 0 5 dB 300 MHz 0 5 dB 1 4 GHz 1 0 dB 3 GHz 1 0 dB 75 dBm 4 GHz 1 0 dB 100 kHz 0 5 dB 10 MHz 0 5 dB 100 MHz 0 5 dB 300 MHz 0 5 dB 1 4 GHz 1 0 dB 3 GHz 1 0 dB...

Страница 261: ...a Low Level Accuracy 50 Test Level 10 MHz 10 MHz 10 MHz 10 MHz 1 5 dB 100 MHz 1 5 dB 300 MHz 1 5 dB 105 dBm 1 4 GHz 1 5 dB 10 MHz 1 5 dB 100 MHz 1 5 dB 300 MHz 1 5 dB 115 dBm 1 4 GHz 1 5 dB 10 MHz 1 5...

Страница 262: ...ual Specification Uncertainty Tolerance 0 dB Reference Reference Reference 13 dB 0 035 dB 23 dB 0 035 dB 33 dB 0 035 dB 43 dB 0 04 dB 53 dB 0 04 dB 63 dB 0 04 dB 73 dB 0 1 dB 82 dB 0 1 dB 91 dB 0 1 dB...

Страница 263: ...y 50 Test cont Frequency Attenuation Actual Specification Uncertainty Tolerance 0 dB Reference Reference Reference 13 dB 0 035 dB 23 dB 0 035 dB 33 dB 0 035 dB 43 dB 0 04 dB 53 dB 0 04 dB 63 dB 0 04 d...

Страница 264: ...onal bridge and a spectrum analyzer to make the following measurements VSWR 50 Test Level Frequency Actual Tolerance 500 MHz 1 1 1 GHz 1 2 3 GHz 1 3 13 dBm 4GHz 1 4 500 MHz 1 1 1 GHz 1 2 3 GHz 1 3 3 d...

Страница 265: ...el Accuracy 75 Test Level Frequency Actual Tolerance 1 kHz 0 06 dB 20 kHz 0 06 dB 100 kHz 0 06 dB 10 MHz 0 06 dB 125 MHz 0 06 dB 300 MHz 0 15 dB 10 dBm 1 4 GHz 0 25 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 100...

Страница 266: ...GHz 0 3 dB 1 kHz 0 06 dB 20 kHz 0 06 dB 100 kHz 0 06 dB 10 MHz 0 06 dB 125 MHz 0 06 dB 300 MHz 0 15 dB 1 4 GHz 0 25 dB 23 dBm 2 GHz 0 3 dB 1 kHz 0 15 dB 20 kHz 0 15 dB 100 kHz 0 15 dB 10 MHz 0 15 dB...

Страница 267: ...nce 20 kHz 0 15 dB 100 kHz 0 15 dB 10 MHz 0 15 dB 125 MHz 0 15 dB 300 MHz 0 15 dB 1 GHz 0 5 dB 53 dB 2 GHz 0 5 dB 100 kHz 0 2 dB 10 MHz 0 2 dB 125 MHz 0 2 dB 300 MHz 0 2 dB 1 4 GHz 0 5 dB 63 dBm 2 GHz...

Страница 268: ...l Tolerance 100 kHz 0 7 dB 10 MHz 0 7 dB 125 MHz 0 7 dB 300 MHz 0 7 dB 1 4 GHz 1 0 dB 81 dBm 2 GHz 1 0 dB 100 kHz 0 7 dB 10 MHz 0 7 dB 125 MHz 0 7 dB 300 MHz 0 7 dB 1 4 GHz 1 0 dB 91 dBm 2 GHz 1 0 dB...

Страница 269: ...79 Optional Ultra Low Level Accuracy 75 Test Level Frequency Actual Tolerance 10 MHz 1 5 dB 125 MHz 1 5 dB 300 MHz 1 5 dB 1 4 GHz 1 5 dB 111 dBm 2 GHz 1 5 dB 10 MHz 1 5 dB 125 MHz 1 5 dB 300 MHz 1 5...

Страница 270: ...rtainty Tolerance 0 dB Reference Reference Reference 3 dB 0 035 dB 13 dB 0 035 dB 23 dB 0 035 dB 33 dB 0 035 dB 43 dB 0 05 dB 53 dB 0 05 dB 63 dB 0 05 dB 73 dB 0 15 dB 82 dB 0 15 dB 91 dB 0 15 dB 10 M...

Страница 271: ...B 23 dB 0 035 dB 33 dB 0 035 dB 43 dB 0 05 dB 53 dB 0 05 dB 63 dB 0 05 dB 73 dB 0 15 dB 82 dB 0 15 dB 91 dB 0 15 dB 100 MHz 101 dB 0 15 dB Typ VSWR 75 Optional Use a directional bridge and a spectrum...

Страница 272: ...9640A Instruction Manual 5 82...

Страница 273: ...ration Title Page Introduction 6 3 Overall Functional Description 6 3 User Interface 6 5 Frequency Synthesis 6 5 Amplitude Control 6 5 Frequency Modulation 6 6 Amplitude Modulation 6 6 Instrument Cont...

Страница 274: ...9640A Instruction Manual 6 2...

Страница 275: ...bly interconnections and cable identification is detailed in Chapter 7 Maintenance The following list identifies the eight major assemblies that comprise the Instrument and includes a description of t...

Страница 276: ...round earth Referenced A6A1 Display A6A2 Keypad Optical Isolators 10 MHz OCXO Isolation Transformer 2 7 GHz 4 GHz 20 kHz 15 625 MHz 1 GHz 2 7 GHz A7T1 Switches GPIB RS232 USB Line Power Trapezoid Gene...

Страница 277: ...nge 9 MHz to 1 GHz with the exception of wide deviation FM signals at carrier frequencies below 125 MHz are derived by applying signals of between 1 and 2 GHz to a binary divider chain and frequencies...

Страница 278: ...attenuator circuits To achieve the required modulation index range in this mode the signal is also pre modulated by an additional voltage controlled attenuator stage in each of the three high frequen...

Страница 279: ...ly is also derived both for internal use and to power the A6A2 Keypad PCA and color display when fitted The 12 V dc supply provides power to the backlight inverter for the display and is also routed v...

Страница 280: ...WAY RIBBON SELF TEST ADC EXT AM FM OCXO ADJUST VCO PLL 100MHz VCO PLL 300MHz 100MHz 200MHz 500MHz X 2 MIXER DIV 2 1GHz 4GHz 8GHz CW FM 100MHz 250MHz MPX TEST 1GHz 2 7GHz 2 7GHz 4GHz DIV 2 FM ONLY 1GH...

Страница 281: ...VEL L F LEVEL ADC EXTERNAL MODULATION HEAD CONTROL HF LEVEL SENSE FROM HEAD DETECTOR CARRIER JA01 A M ENVELOPE DEMAND DATA CONTROL CW AM 125MHz 1 8GHz 125MHz 4GHz 10Hz 125MHz 5V RELAY SUPPLY VOLTAGE D...

Страница 282: ...ES 20dB 20dB 10dB 20dB L F K1 IS CLOSED ABOVE 2 75MHz OR WHEN LEVEL IS SENSED IN THE BASE UNIT E4 DETECTOR H F LEVEL DETECTOR RF OUTPUT TO UUT RF INPUT FROM BASE UNIT 5V RELAY SUPPLY HEAD CONTROL CONT...

Страница 283: ...A6A1 Display and A6A2 Keypad PCAs 7 10 A3 Digital PCA 7 11 A1 Synthesizer PCA 7 12 Fans 7 13 Rear Panel Assemblies 7 14 A5 Interconnection PCA 7 15 A7 Power Transformer Assembly and T1 Low Voltage Tr...

Страница 284: ...9640A Instruction Manual 7 2...

Страница 285: ...your product visit http register fluke com To see print or download the latest manual supplement visit http us fluke com usen support manuals General Maintenance Perform the following general mainten...

Страница 286: ...ment The instructions are limited to major replaceable assemblies and external hardware and do not include component level detail Emphasis is placed on disassembly However when appropriate an italiciz...

Страница 287: ...ecurely on an appropriate bench top or work surface before removing the covers To avoid damage to the Instrument from static electricity use best practice anti static techniques after removing its cov...

Страница 288: ...elease the foot 3 Lift the foot from the bottom cover Shields The Instrument has a large internal shield beneath the top cover Sixteen counter sunk screws and seven panhead screws hold the shield in p...

Страница 289: ...Maintenance Disassembly and Reassembly 7 7 7 Air Filter Top Cover Inner Shield Handles 4 Places ead305f eps Figure 7 1 Removing External Hardware and Air Filter...

Страница 290: ...t Each signal path is labeled A A etc on the top screens of the RF Output and Synthesizer PCAs Before removing the PCA note the positions of each cable for re assembly 6 Disconnect the two SMA connect...

Страница 291: ...following procedure to remove the A6 Front Panel Assembly 1 Undo the nut securing the RF Output connector to the front panel using an 8 mm spanner 2 Undo the nut securing the Control cable connector...

Страница 292: ...the display cable from the HV drive module The PCA is extremely thin use care during the removal process 5 Remove the four self tapping screws from the display and lift it out taking care not to scra...

Страница 293: ...Figure 7 4 1 Remove the A6 Front Panel Assembly from the Source 2 Remove the five panhead screws securing the A3 Digital PCA to the Instrument 3 Remove the 34 pin IDE ribbon cable at the top of the PC...

Страница 294: ...e body of the connector Each connector is colour coded Note the location of each cable for re assembly 5 Disconnect the 10 pin Molex connector at the rear of the PCA 6 Disconnect the seven MCX connect...

Страница 295: ...eld 4 Remove the A2 RF Output PCA 5 Remove the A1 Synthesizer PCA 6 Disconnect the two two pin Molex connectors from the A4 Power Supply PCA by turning the Instrument on its side to gain access On com...

Страница 296: ...panel A5 Interconnections PCA 8 Disconnect the A5 Interconnection PCA using the ejectors the 34 pin IDE connector Also disconnect the 5 pin Molex connector close to the 60 pin IDE connector on the A4...

Страница 297: ...les 2 Remove the top and bottom covers 3 Remove the shield 4 Remove the A2 RF Output PCA 5 Remove the Rear Panel 6 Remove the two panhead screws and nuts from the Power Block Also disconnect the groun...

Страница 298: ...Leveling Head Disassembly Procedure Use the following procedure to disassemble an A9 Leveling Head See Figure 7 9 1 Carefully peel and remove the overlay from the top portion of the case top case 2 Re...

Страница 299: ...escribed in the following steps a through c a Position the cable in the correct orientation b Connect the SMA connectors and while holding the SMA connector on the PCA with an open ended spanner torqu...

Страница 300: ...Torque all eight screws to 0 4 Nm 3 54 in lb starting from the N type connector and working towards the cable clamp 10 Fit the final two countersunk screws to the N type connector and torque each of...

Страница 301: ...nt panel and will include the test point description the measured value and the preset acceptable limits The measured value will usually be displayed as the voltage present at the point being measured...

Страница 302: ...ll Base or Head Selecting one of the three sequence options will initiate the test sequence and display a progress bar screen On completion of the sequence the progress bar will clear showing the prev...

Страница 303: ...g either the Show Base Results or Show Head Results soft keys will expand the test results as shown below The Prev Failure and Next Failure soft keys allow the user to step through the failures Pressi...

Страница 304: ...or A1 Synthesizer PCA test points U909 3 refers to input number 3 of the A1 Synthesizer PCA self test multiplexer designator U909 which is routing the signal to the ADC For A2 RF Output PCA tests the...

Страница 305: ...ve measuring a voltage but will instead be performing a more complex algorithmic check For example a memory test Some of the tests identified by a test name containing the letter M in the schematic se...

Страница 306: ...ls and Software CD Using the serial port requires a null modem serial cable with a female DB 9 connector at each end The pin assignments of the serial cable RS232 are as follows PC pin 2 Instrument pi...

Страница 307: ...t is located then the Serial Port Name dropdown box is grayed out and the message Connection Established will be displayed in the message box Proceed to Stage 2 7 If the 96xx loader application has no...

Страница 308: ...inish or pressing the close icon 2 Restore normal Instrument operation by setting switch 6 of the FACTORY SET dip switches back in its down position 3 Power cycle the Instrument The new version of the...

Страница 309: ...8 1 Chapter 8 Lists of Replaceable Parts Title Page Introduction 8 3 How to Obtain Parts 8 3 Parts Lists 8 4...

Страница 310: ...9640A Instruction Manual 8 2...

Страница 311: ...sing the manufacturers part number or from the Fluke Corporation and its authorized representatives by using the part number under the heading FLUKE STOCK NO To order components directly from Fluke Co...

Страница 312: ...1 and 2 Synthesizer PCA and Screens Assembly 9640A LPN 2650300 1 Figure 8 1 A2 Output PCA and Screens Assembly 3310364 1 Figure 8 1 Note 2 A4 Power Supply 200Hz PCA 3310373 1 Figure 8 1 and 8 2 Note 3...

Страница 313: ...2650490 1 Not shown Ribbon cable Digital Output 2650503 1 Not shown W2 Kit Internal Coax Cables 2670145 1 Not shown W3 Line cord 1 Not Shown North America 120 V 15 A 284174 Not Shown North America 240...

Страница 314: ...9640A Instruction Manual 8 6 MP2 A2 A9 MP8 MP1 A4 MP4 A1 MP10 A3 A6 A6A1 A6A2 A5 T 2 A7T1 MP6 MP8 MP7 H2 H3 MP3 MP5 K1 A7H1 F1 MP18 MP16 MP17 ead332f eps Figure 8 1 9640A Final Assembly...

Страница 315: ...8 8 7 T2 Low Voltage Transformer Rear Panel A5 Interconnection PCA A7 Power Transformer Assembly A7H1 Power Block A7T1 Power Transformer ead319f eps Figure 8 2 Rear Panel Assemblies D1 MP1 MP2 W1 C1 e...

Страница 316: ...9640A Instruction Manual 8 8...

Страница 317: ...ers in Figure A 1 relate directly to the numbers in the procedure Note Do not remove the top or bottom cover to rack mount the Instrument 1 Remove the plastic side trim from the Instrument by pushing...

Страница 318: ...e Instrument Secure each using three 8 32 x inch Truss Head Screws 6 each provided with the kit 5 Remove the four plastic molded feet form the bottom of the Instrument as follows a Using a flat blade...

Страница 319: ...to each side of the equipment rack so they are ready to receive the instrument 2 With assistance and from the front of the equipment rack insert the end of each slide bar on the Instrument into the a...

Страница 320: ...9640A Instruction Manual A 4...

Страница 321: ...ternal hardware faults that must be rectified at a Fluke Service Center When one of these errors occur the user interface will cease operation and the Instrument will switch to Standby The instrument...

Страница 322: ...e Flash error Failed to store new values NV Storage Flash error Defaults in use NV Storage User Prefs error Defaults in use Re establish User Prefs NV Storage User Prefs error User Prefs have not been...

Страница 323: ...ndant character skipped Operation invalid in this context The entered span is zero The entered span is too big The sweep duration is invalid Check the step and span start or stop settings Cannot conve...

Страница 324: ...elf Test The entered password was unrecognized please try again The head unit has not been connected This is the last point This is the first point A new Mode cannot be selected until Calibration Mode...

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