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Remote GPIB Interface

Clock Synthesizer 13.5 GHz User Guide

5.4

SCPI Mandated Commands

The N4963A also conforms to the Standard Commands for Programmable

Instrumentation (SCPI 1999.0) command set. Two SCPI mandated commands

are implemented, listed in Table 16.

Table 16. N4963A SCPI mandated commands

Command

Function

:SYSTEM:ERROR?

Returns event/error number and message from error queue

:SYSTEM:VERSION?

Returns SCPI protocol version number (“1999.0”)

5.5

N4963A Device Commands

The N4963A device commands are summarized in Table 17. The following

descriptions and examples assume the user is programming with Agilent

BASIC, a simple interpretative language that is convenient for instrument

programming.

For the examples below, the device being programmed is located at GPIB

device address 725. The actual address varies according to how you have

configured the GPIB bus for your own application. For information to change

the bus address see Section 4.3.

Table 17. N4963A device commands

Command

Parameters/Results

:OUTPut

{ON | OFF}

:OUTPut?

:FREQuency

value <unit>

:FREQuency?

:SYSTem:ERRor?

:AMPLitude

Channel value <unit>

:AMPLitude?

Channel

:OFFSet

Channel value <unit>

:OFFSet?

Channel

:ROSCillator

{INT | EXT}

:ROSCillator?

:PHASe

value

:PHASe?

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Summary of Contents for N4963A

Page 1: ...airs of differential square wave clock outputs from 500 MHz to 13 5 GHz The instrument features programmable output amplitude DC offset phase offset sub rate trigger and jitter injection ManualLib com collects and classifies the global product instrunction manuals to help users access anytime and anywhere helping users make better use of products http www manuallib com ...

Page 2: ...Agilent N4963A Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 3: ...ten agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the ...

Page 4: ... for indoor use in an installation category II pollution degree 2 environment per IEC 61010 Second Edition and 664 respectively It is designed to operate within a temperature range of 10 to 40 C at a maximum relative humidity of 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C at an altitude of 2000 meters This module can be stored or shipped at temperatures betwe...

Page 5: ...s product is in conformity with the relevant European Directives EMC Directive 2004 108 EC and Low Voltage Directive 2006 95 EC China RoHS regulations include requirements related to packaging and require compliance to China standard GB18455 2001 This symbol indicates compliance with the China RoHS regulations for paper fiberboard packaging Indicates the time period during which no hazardous or to...

Page 6: ...ste Product category With reference to the equipment types in the WEEE Directive Annexure I this product is classed as a Monitoring and Control instrumentation product Do not dispose in domestic household waste To return unwanted products contact your local Agilent office or see www agilent com environment product for more information This Manual http www manuallib com agilent n4963a clock synthes...

Page 7: ...This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 8: ... 13 1 4 Setting Frequency and Output Levels 14 1 5 Aligning Clock and Data 14 1 6 Enabling Jitter Injection 15 2 N4963A System Overview 17 2 1 System Overview 17 2 1 1 Control 17 2 1 2 Options 17 2 2 Front Panel Quick Reference 19 2 2 1 Connectors 19 2 2 2 Front Panel Controls 19 2 3 Rear Panel Quick Reference 20 2 3 1 Connectors 21 2 3 2 Label 21 2 3 3 Controls 21 3 System Details and Performance...

Page 9: ...er on State 42 4 5 System Verification 43 4 5 1 Frequency and Output Amplitude 43 4 5 2 DC Offset and Phase Offset 46 4 5 3 Internal Jitter Injection 48 4 5 4 External Jitter Injection 52 4 6 Simple Functional Examples 54 4 6 1 Generic Test Example 54 4 6 3 Example Using the N4963A to Control the N4962A 56 5 Remote GPIB Interface 57 5 1 GPIB Capabilities 58 5 2 GPIB Command Syntax 58 5 2 1 GPIB Co...

Page 10: ...system 63 5 7 2 SOURce Subsystem 67 5 7 3 JITTer Subsystem N4963A 101 68 5 8 IEEE Common Capabilities 71 6 Returning the N4963A Clock Synthesizer to Agilent Technologies 77 This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 11: ...10 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 12: ...1 Applications General instrument grade clock generation Compatible with N4962A Serial BERT and N4965A multi channel BERT Combine with a BERT for o Multi lane PRBS eye mask testing o Multi channel stressed eye BER testing o Crosstalk analysis with multiple aggressors 1 1 2 Key Features Low cost high performance Six differential clock outputs o Two differential front panel outputs jittered and refe...

Page 13: ...0A multi instrument software user interface 1 2 Getting Started with N4963A 1 2 1 Unpacking and Installation The N4963A clock synthesizer 13 5 GHz is shipped with all the accessories required for the self test mode and verification The contents includes N4963A clock Synthesizer 6x band pass filters AC power converter module AC power cord CD containing the N4963A user guide and N4963A data sheet If...

Page 14: ...back panel connectors Situate the instrument away from heat sources do not block the fan 1 2 3 Performance Recommendations 1 When using differential mode connections ensure the cables are phase balanced 2 Differential connectors may be used single ended if the unused output is terminated in 50 Ω 3 Use high quality cables and connector savers or adaptors 4 Keep cable lengths short and minimize numb...

Page 15: ...buttons Press the Display Scroll button and select DC OFFSET Select the output channel bank with the Chan button Set the desired DC offset voltage using the Digit and Value buttons If using an external reference press the Ext 10MHz button and the indicator will light The internal reference is being used if the indicator is off To turn on the clock output and the trigger signal press the Clock On b...

Page 16: ...Jitter o Press the Display Scroll button and select JITTER FREQ o JITTER FREQ indicates low jitter frequency mode Ext Low or high jitter frequency mode Ext Hi Toggle with the Value button o Ext Low mode should be used for modulation frequencies below 2 4 MHz The input is digitally sampled and the amount of jitter can be scaled by pressing the Display Scroll button until the display shows ExtUI xx ...

Page 17: ...Getting Started 16 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 18: ...and jitter injection 2 1 1 Control System configuration settings are all available from the local push button interface or remote GPIB IEEE 488 2 interface Instrument status is conveyed on the front panel by LED indicator and the 8 digit display 2 1 2 Options The N4963A is available with the following build options standard 500 MHz to 13 5 GHz operation 6 differential unjittered outputs Option 101...

Page 19: ...N4963A System Overview 18 Clock Synthesizer 13 5 GHz User Guide Figure 1 N4963A block diagram This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 20: ...off Turns clock and trigger outputs on and off Ext 10 MHz On External ref Off Internal ref Toggles the 10 MHz reference clock between an externally applied source and the internally generated source Select Jitter Jitter Off Int Jit Ext Jit Off All jitter off Int Internal jitter Ext External jitter Requires N4963A 101 Toggles between injecting no jitter injecting jitter from the internal jitter gen...

Page 21: ...Hz Scroll Selects the menu option to display and modify FREQ Clock frequency AMP Output amplitude DC OFFSET Output DC offset DELAY Phase offset JITTER FREQ Jitter frequency MORE Other menu option Unleveled On Unleveled Turns on if any of the output amplitudes become un calibrated The default power on settings are listed in Error Reference source not found The front panel controls are further discu...

Page 22: ...ed outputs channel 3 Trig O SMA Programmable sub rate trigger output clk 8 9 10 510 511 Ext Jitter SMA External jitter modulation input port DC to 100 MHz GPIB GPIB connector conforms to IEEE 488 1 mechanical specification 2 3 3 Label SN white area N4963A serial number 2 3 4 Controls GPIB switch panel N4963A GPIB address down is 0 up is 1 LSB is on the left Default GPIB address as shipped from the...

Page 23: ...N4963A System Overview 22 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 24: ...e complementary port must be terminated with a 50 Ω terminated connector 3 1 General Table 2 General and mechanical parameters of N4963A Operating Temperature 10 C to 40 C Storage Temperature 40 C to 70 C Power Requirements 42 W External AC Adaptor included 100 to 240 V AC 47 to 63 Hz Physical Dimensions Width 254 mm 10 in Height 63 5 mm 2 5 in Depth 254 mm 10 in Weight 3 4 kg 7 5 lbs EMC Complies...

Page 25: ...lectrical shock disconnect instrument from mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally For continued protection against fire hazard replace fuses and or circuit breakers only with same type and ratings The use of other fuses circuit breakers or materials is prohibited The Mains wiring and connectors s...

Page 26: ...ath and a trigger output See the block diagram in Figure 1 The un jittered reference path is available from the front panel CH1 differential outputs and from the rear panel CH3A and CH3B differential outputs CH1 has a programmable phase skew relative to all the other channels programmable output amplitude and programmable DC offset CH3A and CH3B share the same programmable output amplitude See Tab...

Page 27: ...tputs Channel 1 and Channel 2 Amplitude 0 6 to 2 0 V from 0 5 to 7 5 GHz 0 6 to 1 5 V from 7 5 to 13 5 GHz Amplitude resolution 1 mV Offset voltage 2 0 to 2 0 V Offset voltage resolution 10 mV Phase adjust Channel 1 only 180 to 178 Phase adjust resolution Channel 1 only 2 Interface Differential DC coupled 50 Ω nominal female SMA May be operated single end without unused output terminated into 50 Ω...

Page 28: ... Option 101 contact http www agilent com find assist for more information When manufactured with N4963A 101 the front panel CH2 and rear panel CH4A and CH4B are optionally jittered with either an internal or external jitter modulation signal The modulation signal is frequency modulated onto the high frequency clock Without N4963A 101 CH2 CH4A and CH4B supply non jittered reference clocks 3 4 1 Int...

Page 29: ...source the method of generation is automatically selected based on the modulation frequency selected However different generation methods allow different amounts of jitter to be injected Figure 4 and Table 6 indicate the maximum amount of jitter UI as a function of jitter modulation frequency This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 30: ...nput voltage 1 V pp max External Jitter Injection Interface DC coupled 50 Ω nominal female SMA 1 At 5 GHz 3 4 2 External Jitter The jitter modulation signal may also be externally supplied by applying a signal to the external jitter port Low frequency jitter signals are sampled by an ADC and the jitter modulation signal is generated from a lookup table in the FPGA High frequency signals are direct...

Page 31: ...easing the amplitude of the applied signal or by increasing the deviation scaling factor The low and high frequency external jitter injection methods overlap but do not count on the unit operating properly outside the specified frequency band Also note that if the scaling factor is set higher than 1 the amount of UI injected will step when toggling between low and high frequency modes Figure 5 ind...

Page 32: ...le 7 Parameters for N4963A external jitter injection Modulation Source External Signal Generator Maximum input 1 V pp Input Female SMA Single Ended DC Coupled 50 Ω Deviation scaling factors 1 2 4 8 16 and 32 This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 33: ...System Details and Performance Specifications 32 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 34: ...ut especially when handling RF input outputs ground coaxial cable conductor pins before use to remove static buildup Situate the instrument away from heat sources Do not block airflow to the fan do not allow foreign material into enclosure Always use provided AC adaptor Do not power the unit with a different adaptor Do not modify the power plug or wall outlet to remove the third ground pin Do not ...

Page 35: ...through N498xA Connector Care Reference Guide at www agilent com find N4963A Agilent Technologies also recommends the following Use a 7 to 10 in lbs torque wrench when attaching connectors Consider using connector savers to prolong performance and minimize damage Differential connectors may be used single ended if second end terminated in 50 Ω Inspect the connectors for the following Worn or damag...

Page 36: ...nd 10 MHz reference path controls 2 Jitter source control 3 Configuration adjustment controls and 4 Display selection controls The front panel also contains an eight character LED display and output unleveled LED The front panel outputs are Channel 1 a differential reference clock output and Channel 2 a differential jittered clock output The front panel outputs allow for DC offsets and are therefo...

Page 37: ...n calibrated Off 8 digit display panel The eight character display shows the current configuration option selected by using the Display Scroll UP and DOWN buttons When one of the configuration Adjust buttons are selected the display will show the corresponding configuration setting Freq GHz 4 2 2 Local Clock Reference and Jitter Select Controls Figure 8 N4963A front panel local receiver and data p...

Page 38: ...s Off Ext 10 MHz button light Light indicates the synthesizer reference source OFF when 10 MHz source is internal ON when 10 MHz source is external Off Select Jitter Off Int Jitter Ext Jitter button 3 lights Light indicates which Jitter modulation path is selected Jitter Off No jitter modulation of the jittered clock outputs CH2 CH4A and CH4B Int Jitter The jitter modulation source is from the int...

Page 39: ...hts Buttons select the measurement or configuration option to display on the display panel UP selects the previous display item DOWN selects the next display item The selection process wraps around the display options pressing DOWN at the last item selects the first item The display options are FREQ AMP DC OFFSET DELAY JITTER FREQ MORE multiple options within this selection Freq GHz This Manual ht...

Page 40: ...e value G GHz M MHz K kHz 005 000G AMP A1 x xxx Displays the output amplitude of the selected channel Chan selects channel A1 A2 A3 A4 Digit selects the digit to change Value changes the value Vppk A1 0 500 DC OFFSET O1 x xxx Displays the DC offset of the selected channel Chan selects channel O1 O2 Digit selects the digit to change Value changes the value Volts O1 0 00 DELAY Ph1 xxx Displays the p...

Page 41: ... xx x ui Displays the amount of UI injected when using internally generated jitter Value changes the value UI J 00 1 ui MORE ExtUI xx Displays the scaling factor for the externally applied jitter signal when in low frequency mode Value changes the value UI Volt ExtUI 16 MORE PRE xxx Displays the programmable divider rate for the trigger output Value changes the value PRE 008 MORE TG1C1 A Displays ...

Page 42: ...f the synthesizer was built without N4963A 101 the panel marking will be unchanged and the differential outputs will generate reference clocks Output amplitude of CH3 CH3A and CH3B and CH4 CH4A and CH4B are adjustable The outputs are AC coupled and no DC offset is available from the rear panel outputs The programmable divide by 8 to 511 sub rate output is available from the trigger output connecto...

Page 43: ... from the output ports and the clock on LED is off The clock output only becomes available when the Clock On button is pressed at which time the clock on LED is lit Table 12 N4963A power on state Setting Power on Value Display Discription Local On Light Local push button control GPIB interface when light off Clock On Off Light Clock output indicator Ext 10MHz Off Light Reference path indicator Jit...

Page 44: ...to section 4 2 5 Configuration adjustment controls and refer back to sections 2 2 and 2 3 the front and rear panel quick reference guides After getting familiar with the front panel controls the user might wish to perform similar experiments using the N4980A multi instrument software This will assure that the box is communicating properly over GPIB 4 5 1 Frequency and Output Amplitude The easiest ...

Page 45: ...ency indicated on the front panel display The user may wish to check and use an external 10 MHz Reference This is accomplished by connecting the external reference source output to the 10 MHz In BNC on the rear panel The external reference is activated by pressing the Ext 10 MHz button on the front panel Using the above procedure the user should verify that the synthesizer output is now locked to ...

Page 46: ...arly be able to adjust the amplitude of the signal emanating from the CH4 ports Please note that changing the amplitude A3 changes the amplitude on all the channel 3 ports CH3A CH3B and their respective complements The same is true of changing the amplitudes A1 A2 A3 or A4 on any of the respective channels As the user is incrementing the signal level higher the front panel Unleveled LED may light ...

Page 47: ...t the front panel amplitude adjustment control is working properly by following steps similar to those performed on the rear panel channels in the previous section Note that the front panel output has considerably more range Agilent DCA DCA N4963A Spectrum Analyzer Trig O CH3B CH4B CH3B This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 48: ...o volts Then use the Chan button to select channel 1 O1 Perform similar experiments adjusting the offset on channel 1 and note its DC level change with respect to the channel 2 signal on the scope Return the channel 1 offset back to zero volts Note that DC offset adjustment is only available for channels 1 and 2 O1 and O2 respectively Another experiment would be to look at only one channel Here ch...

Page 49: ...a jittered clock using the internal modulation source The concepts will be similar for the external modulation The internal modulation source operates to two bands or modes The low frequency mode is from 1 Hz to 1 MHz The high frequency mode is from 1 MHz to 100 MHz The source of the modulating signal in the low frequency mode is from an FPGA look up table The source for the high frequency mode is...

Page 50: ...a sampling scope these dithering transition edges appear fuzzy or noisy The ratio of the time width of this edge noise to the clock period is a measure of the phase deviation in UI As there are 2 transition edges per clock period it becomes impossible to measure a phase deviation of greater than half of a UI on an undivided clock signal For deviations greater than half of a UI the signal looks com...

Page 51: ...he undivided clock signal Use the value button to increment the deviation and verify that the deviation measured on the scope is consistent with the displayed value adjust the external and trigger divide modulus as necessary The maximum UI deviation that the N4963A is capable of producing is a function of the modulating frequency see Figure 4 Alternatively the phase deviation can be measured in th...

Page 52: ...n an Agilent 86100 DCA Shown is the 2 GHz output from the front panel reference blue and jittered red clock outputs The jitter is applied internally at 100 kHz 0 3 UI is injected in this case Agilent DCA DCA N4963A Trig O Divide by N Channel 2 OUT Channel 2 OUT Channel 1 OUT This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 53: ...alyzer has been removed from the figure However all the comments made in the previous section about measuring phase deviation and deviation rate using the spectrum analyzer hold for this section as well The N4963A has two modes of operation when the jitter source is external Like the case for internal modulation there are low and high frequency modes However in this case the synthesizer does not k...

Page 54: ...to 8 This will allow the scope to display a maximum phase deviation of 4 UI Scroll the display to the trigger pre scalar menu item PRE xxx Using the value button adjust the parameter to some value greater than 8 use 16 in this case This will allow the scope to properly trigger on the divided clock The channel 2 waveform on the scope should now show a clock edge transition with 2 UI of jitter To ve...

Page 55: ...e of examples that utilize the N4963A as a clock source as part of a simple measurement experiment are given 4 6 1 Generic Test Example Generic experiment setup and description MHz dBm Agilent N4963A Trig O Divide by N DCA External Source Ext Jitter Channel 2 OUT Channel 1 OUT This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 56: ... Figure 17 N4963A generic test example experimental setup DCA Agilent PRBS Retimer Data Source Receive Transmission Channel Jittered Clock Reference Clock Trig O φ φ t This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 57: ...nt setup and description of N4963A controlling the BERT Figure 18 Experimental setup for N4962A clocked by the N4963A Agilent Agilent Jittered Clock Reference Clock Tx Clock Rx Clock φ DUT N4962A Transmitted Data Received Data φ t This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 58: ...EEE Standard 488 2 1987 IEEE Stand Codes Formats Protocols and Communication Commands for Use with ANSI IEEE Std 488 1 1987 New York NY 1987 A GPIB interface requires that all devices on a common bus have different addresses the 5 bit address control switch is located on the back panel next to the GPIB connector shown in Figure 11 The factory default address is 725 The address uses a three digit f...

Page 59: ...ility with local lockout LLO PP0 No parallel port capability DC1 Device clear capability DT1 Device trigger capability accepted but ignored C0 No controller capability E2 Tristate outputs except the handshake line 5 2 GPIB Command Syntax The N4963A can be controlled through the GPIB interface using commands and queries The commands and queries are documented in the Backus Naur Form notation detail...

Page 60: ...a command sub function Not all commands have links Argument a quantity quality or limit associated with the header or link Commands are case insensitive although they are documented in an uppercase and lowercase manner that indicates which minimum characters are required to make the command The commands can be shortened to the minimum length illustrated by the uppercase letters in the documentatio...

Page 61: ... to continue TRG Trigger IDN Identification Query STB Status Byte Query TST Self Test Query ESR Event Status Register Query ESE Event Status Enable Register Set ESE Event Status Enable Register Query OPC Operation Complete clear flag OPC Operation Complete Query OPT Option Identification Query SRE Service Request Enable Set SRE Service Request Enable Query PSC Power On Status Clear Flag Set PSC Po...

Page 62: ...riptions and examples assume the user is programming with Agilent BASIC a simple interpretative language that is convenient for instrument programming For the examples below the device being programmed is located at GPIB device address 725 The actual address varies according to how you have configured the GPIB bus for your own application For information to change the bus address see Section 4 3 T...

Page 63: ... hierarchy so you don t need to repeat it for subsequent commands 5 6 1 SCPI Example SYSTem REMote SYSTem is the root level REMote is the second level The command SYSTem would set the new default level to be the system commands Now if the user issued a command REMote it would put the system into remote mode The capital letter in SYSTem denote the required subset of pneumonic for correct state cont...

Page 64: ... italics indicates that the term numeric is a placeholder in the command and is described elsewhere in the text for the command 5 7 Command Summary 5 7 1 Root Subsystem All of these commands can be called from the root level of the N4963A Command OUTPut Description Turn the clock output ON or OFF The default is OFF Example OUTP on Command OUTPut Description Return the status of the clock output Th...

Page 65: ... 12500 MHz causes the clock synthesizer to generate a 12 5 GHz signal Command FREQuency Description Query the current clock frequency The result is returned in Hz Command AMPLitude channel value unit Description Set the specified channel amplitude to a given value The channel output is specified as a single ended voltage The unit is Volts peak to peak Optional units are V and mV The N4963A feature...

Page 66: ...lue The unit is DC Volts The units which are supported are V mV or uV The reference and jittered outputs channel 1 and channel 2 respectively of the N4963A have DC offset control Example All of the following examples are valid OFFSet 1 500mV set channel 1 to 0 5 V OFFSet 1 0 5 OFFSet 1 500e 3 Command OFFSet channel Description Query the DC offset of the requested channel The value is returned in V...

Page 67: ...iption Query the reference oscillator for the 10 MHz input Valid response is INT internal mode or EXT external mode Command PHASe value Description Set the phase offset of channel 1 relative to the other three channels to a value in degrees Command PHASe Description Query the phase offset of channel 1 Returns a value in degrees This Manual http www manuallib com agilent n4963a clock synthesizer us...

Page 68: ... For backward compatibility with the Agilent ESG economy signal generator all Agilent compatible root subsystem commands may be preceded with the SOURce subsystem For example the output on off command is Command SOURce OUTPut ON OFF The on off Querry SOURce OUTPut Example SOURce OUTPut ON Will turn the clock output on SOURce OUTPut Will find out if the output is on or off SOURce OUTPut OFF Will tu...

Page 69: ...ided to the Jitter In rear panel connector Command JITTer SOURce Description Query the jitter state of the N4963A Returns values OFF INT or EXT Command JITTer BAND LOw HIgh Description Set the jitter path of the N4963A when using external jitter inputs Low band signals are digitized and scaled by the ExtUI 1 2 4 8 16 32 parameter which determines the maximum UI available with a full scale input si...

Page 70: ...ency value unit Description Set the jitter frequency of the internal periodic jitter generator to a given value The value is in fundamental units of Hertz An optional unit of Hz kHz MHz may be specified Example JITTer FREQuency 10 3kHz JITTer FREQuency 10 3e3 Command JITTer FREQuency Description Query the jitter frequency of the N4963A This Manual http www manuallib com agilent n4963a clock synthe...

Page 71: ...rvals UI The value of the jitter is unitless and it will accept a floating point or scientific notation input The maximum input jitter versus jitter modulation frequency is given in Table 6 Example JITTer AMPLitude 1 2 JITTer AMPLitude 12e 1 Command JITTer AMPLitude Description Query the jitter amplitude of the N4963A This Manual http www manuallib com agilent n4963a clock synthesizer user guide h...

Page 72: ...vent Status Enable Query not implemented Command IDN Description Returns the manufacturers name model number serial number and firmware revision as a string The serial number format is country 2 characters year number of years after 1960 week number 2 digits and sequence number 4 digits AGILENT TECHNOLOGIES N4963A US52491234 Rev0040 Command LRN Description Learn Query not implemented This Manual h...

Page 73: ...fication Query returns the options in the instrument as a comma delimited string Option Result None N4963A Jitter Injection N4963A OPT101 Command PSC numeric Description Sets the value of the Power On Status Clear Flag Controls the automatic clearing of the SRQ enable register see IEEE 488 2 Section 10 25 Not implemented Command PSC Description Returns value of PSC flag Not implemented This Manual...

Page 74: ...state Command SAV numeric Description Save stored settings Stores the current instrument state not implemented Command SRE numeric Description Service Request Enable sets the status byte mask numeric 8 QUES Status Summary 16 Message Available 32 Event Status Summary 64 Request Service 128 OPER status summary This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 75: ...quest Enable Query Command STB Description Status Byte Query Returns the value of the status byte in numeric form Command TRG Description Trigger Not implemented Command TRG Description Trigger Query not implemented This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 76: ...e 75 Command WAI Description Wait to Continue not implemented Command TST Description Initiate Self Test not implemented Command TST Description Self Test Query not implemented This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 77: ...Remote GPIB Interface 76 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 78: ...tion and you cannot correct the problem return it to Agilent Technologies for repair following the steps shown below 1 Record all symptoms 2 Contact Agilent Technologies using the Request an RMA form at http www agilent com find assist 3 Use the original packing material or comparable packing material to ship the instrument to Agilent Technologies This Manual http www manuallib com agilent n4963a ...

Page 79: ...Returning the N4963A Clock Synthesizer to Agilent Technologies 78 Clock Synthesizer 13 5 GHz User Guide This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 80: ...This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

Page 81: ... Copyright Agilent Technologies 2012 Fifth edition April 2014 Printed in Germany This Manual http www manuallib com agilent n4963a clock synthesizer user guide html ...

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