HP 3326A, Operating And Reference Manual

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Page 2: ...t o fail to execute their programming instructions due to defects in materials and workmanship If HP receives notice of such defects during their warranty period HP shall repair or replace software media and firmware which do not execute their programming instructions due to such defects HP does not warrant that the operation of the software firmware or hardware shall be uninterrupted or error fre...

Page 3: ...Reproduced With Permission Courtesy Agilent Technologies Inc ...

Page 4: ...le gases or fumes Operation of any electrical instru ment in such an environment constitutes a definite safetv hazard KEEP AWAY FROM LIVE CIRCUITS Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components with power cable connected Under certain conditions dangerous voltages may exi...

Page 5: ...nal marked with this symbol must be con nected t o ground in the manner described in the installation operat ing manual and before operating the equipment Frame or chassis terminal A connection t o the frame chassis of the equipment which normally includes all exposed metal structures Alternating current power line Direct current power line Alternating or direct current power line The WARNING sign...

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Page 7: ... 3326A HP IB CAPABILITY 2 2 HP IB INTERFACE MANAGEMENT LINES 2 2 TALK I LISTEN ADDRESSES 2 2 VIEWING THE HP 3326A HP IB ADDRESS 2 4 CHANGING THE HP 3326A HP IB ADDRESS 2 4 BUS MESSAGES 2 4 SERVICE REQUEST 2 6 THE STATUS BYTE 2 7 MASKING THE STATUS BYTE 2 8 Chapter 3 HP 3326A HP IB Commands REMOTE FRONT PANEL OPERATION 3 1 COMMAND SYNTAX 3 1 BUS MODES 3 3 VIEWING THE HP 3326A HP IB ADDRESS 3 3 CHAN...

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Page 9: ...CHAPTERI OPERATIONAND REFERENCE ...

Page 10: ...20 LINEAR FREQUENCY SWEEP 1 29 DISCRETE FREQUENCY SWEEP 1 39 MODULATION 1 44 SAVING IRECALLING A N INSTRUMENT STATE AND MEMORY OPERATIONS 1 50 CALIBRATION A N D SELF TEST 1 53 HP IB STATUS KEYS IINDICATORS ICONNECTOR 1 57 EXTERNAL TRIGGER 1 59 MARKER IZ BLANK PEN LIFT IX DRIVE OUTPUTS 1 59 SYNC A OUTPUT 1 63 20 33 M H z L O OUTPUT EXTENDED FREQUENCY 1 64 PHASE LOCK TO EXT REFIOVEN STABILIZED FREQU...

Page 11: ...Qservice This Document is a complete scan from the Original HP Agilent Manual Qservice ...

Page 12: ...condition In the standby condition power is applied to the high stability frequency reference circuits Option 001 to maintain frequency accuracy Turn On State The initial state of the HP 3326A at power up is dependent upon the setting of internal switches The normal turn on state is the preset state described in The Preset State and the INSTR PRESET Key However through the use of the internal SAVE...

Page 13: ...applied to the high stability frequency reference circuits Option 001 to maintain frequency accuracy The Preset State and the lnstr Preset Key INSTR PRESET The preset state of the HP 3326A is listed in Figure 1 1 The HP 3326A is restored to the preset state by pressing the green INSTR PRESET INSTRument PRESET key INSTR PRESET provides a convenient starting state for establishing an instrument setu...

Page 14: ...Turn on and Warm up ...

Page 15: ...or combined and internal modulation operation the channel B output is is used internally and is unavailable at the CH B connector The output impedance is 50 Q from 0 to 100 kHz with a return loss of greater than 20 dB over the range of 100 kHz to 13 MHz The output impedance with the high volt age option enabled is less than 2 Q from 0 to 50 kHz and less than 10 D over the range of 50 kHz to 1 MHz ...

Page 16: ...y is pressed the operating mode sequences through the 2 CHANNEL 2 PHASE 2 TONE and PULSE operating modes The mode selected is indicated by the illuminated indica tor COMBINED operation is enabled by pressing the blue SHIFT key prior to the MODE key The operating modes affect operating limits operating characteristics and selec tion of the CH A and CH B outputs The effects on the operating characte...

Page 17: ...nal modulation sine wave out put and square wave output is independent for each channel With internal modulation enabled the channel B synthesizer is used to internally modulate the channel A syn thesizer Figure 1 3 illustrates the effect of changing frequency in the 2 CHANNEL mode HP 18 Examples MODE1 or MODE TWOC STEP 1 STEP 2 STEP 3 STEP 4 ...

Page 18: ... same see Figure 1 4 The phase offset of channel B with respect to channel A remains constant as fre quency is changed Amplitude dc offset external amplitude modulation sine wave out put and square wave output is independent for each channel HP 18 Examples MODE 2 or MODE TWOP STEP 1 STEP 2 STEP 3 STEP 4 ...

Page 19: ...hannel A fre quency see Figure 1 5 The maximum frequency difference between channel A and channel B is 100 kHz Amplitude dc offset external amplitude modulation sine wave output and square wave output are independent for each channel HP IB Examples MODE3 or MODE TWOT STEP 1 STEP 2 STEP 3 STEP 4 ...

Page 20: ... channel B square wave output IS the complement of the chan S nel A square wave output see Figure 1 6 Amplitude dc offset and external amplitude modulat on are independent for each channel HP IB Examples MODE or MODE PULS STEP 1 STEP 2 STEP 3 STEP 4 ...

Page 21: ...tered if DC is selected as the function however when alternate functions OFF sine wave or square wave are selected the DC offset level is returned to zero Note that the peak to peakamplitude of the output signal is a function of the phase frequency and amplitude of each channel COMBINED operation is selectable only in the 2 CHAN NEL 2 PHASE and 2 TONE MODES COMBINED operation is disabled for inter...

Page 22: ...ed the sine wave and DC only output is removed from the output waveform selection se quence The blue high voltage HV legends printed below these keys are active only if the high voltage option Option 002 is installed The Off TI and DC Indicators When all function indicators are extinguished the output channel is disabled HP 16 Examples FCNAO or FCNA OFF FCNBO or FCNB OFF The sine wave indicator il...

Page 23: ... the CH A or CH B key An HV indicator to the left of the display illuminates when a high voltage output is enabled The high voltage option increase the available output voltage range by a factor of four with a maximum value of 40 volts peak to peak Enabling the high voltage option reduces the maximum output frequency to 1 MHz and decreases the output impedance The output signal is momentarily set ...

Page 24: ... a parameter to change enter the desired value most significant digit first and end the entry with a units key For example to change the output amplitude to 1 Vrms press the AMPTD amplitude key and display the current amplitude value Press the 1 key in the numeric keypad and press the kHz Vrms mSEC units key to end the entry see Figure 1 9 Notice that the Vrms units from the kHz Vrms mSEC units ke...

Page 25: ...ime the BACK SPACE key is pressed the least significant digit or decimal point is removed from the display After the incorrect digits are removed from the display value data entry can continue with the numeric keypad and units keys Figure 1 9 illus trates the use of the BACK SPACE key L I Figure 1 9 Data Entry Example ...

Page 26: ... The value of the functron requested can not be displayed because of the mode modulation chan nel or sweep selected SUFX 60 65 SUFfiX The units key selected is improper for the func tion selected AMPL 80 AMPLltude Combined operation is selected and the cur rept amolitude is too larae MODE 87 MODE The requested value or function is incompatible with the mode selected CMBR 89 CoMBineR The requested ...

Page 27: ...led because the output frequency 1 s qreater than 1 MHz CRPT 160 CoRruPT An error is detected in an instrument state recalled from memory The instrument state is replaced B OverLoad The channel B output IS overloaded The load impedance for the channel B output is too low or a volt AVCO 173 channel A Voltage Controlled Oscillator The channel A voltaqe controlled oscrllator is unlocked sensed but th...

Page 28: ...alter the current setup The message Error 50 CNVT CoNVerT is displayed if the conversion would results in a zero display value that is inconsistent with the current value For example converting 0 000001 Hz to MHz would erroneously display 0 MHz Figure 1 11 illustrates units conversion I Figure 1 1 1 Units Conversion Modifying Entry Values with the Rotary Knob The display value can be modified with...

Page 29: ... the right arrow and left arrow keys Pressing the right arrow key selects the next least significant digit for modifi cation and pressing the left arrow key selects the next most significant digit for modification HP IB Examples MFY1 or MFY ON Figure 1 12 Modifying Entries with the Rotary Knob ...

Page 30: ...uities in the output waveform NOTE After a mode change the channel B frequency is set to the channel A frequency 2 Channel Mode Each channel frequency is set independently The frequency range for each channel is 0 to 13 MHz 2 Phase or Pulse Mode The frequency of both channels is set to the same value by a change in frequency of either channel The frequency range is 0 to 13 MHz 2 Tone Mode The chan...

Page 31: ...z H V Option With the high voltage option enabled the frequency output is 0 to 1 MHz In the 2 TONE mode the maximum channel B frequency is 1 I MHz NOTE After a mode change the channel B frequency is set to the channelA frequency If the channel5 fre quency is set to greater than I MHz the channel B high voltage option is disabled To enable the high voltage option reduce the channel B frequency to b...

Page 32: ...l is momentarily set at zero volts if internal attenuator settings change Internal Modulation With internal modulation the channel B amplitude is controlled by the AMlPM DEV key Internal modulation uses the channel B output internally and a signal is unavaila ble at the CH B connector High Voltage Option With the high voltage option the upper amplitude limit is increased to 40 volts peak to peak a...

Page 33: ...try Keys DC Offset The limit for an ac output with a dc offset is t5 volts peak k20 volts peak with the high voltage option enabled Figure 1 16 illustrates dc offset versus amplitude HP IB Example AM1 125VOH ...

Page 34: ...set value is changed with the numeric keypad and VOLTS units key or modified with the MODIFY controls The maximum dc offset range is 5 volts 20 volts with the high voltage option enabled The dc offset range is dependent upon amplitude and selection of com bined operation internal modulation and high voltage option Figure 1 15 lists the max imum output of the HP 3326A The output signal is momentari...

Page 35: ...to 100 mVpp 50 mV 5 45 mV 1 to 10 mvpp 5 5 mV t 4 5 mV DC Only With the output FUNCTION set to DC the output level is controlled by DC OFFSET en tries The maximum dc output is 5 volts peak 20 with the high voltage option Cornblned For COMBINED operation with a sine wave square wave or OFF output FUNCTION selected the dc offset is set to zero High Voltage Option With the high voltage option enabled...

Page 36: ...ffect of the phase offset is dependent upon selection of the operating mode Figure 1 18 illustrates the effect of changing phase STEP 1 STEP 2 STEP 3 2 Channel Mode Changing phase in the 2 CHANNEL mode changes the phase of a channel with respect to the initial waveform The phase of channel A and B are independent 2 Phase Mode Without an external phase reference a change in the phase of channel A i...

Page 37: ...A IS selected the channel A phase value IS changed to zero If channel B is selected the phase offset value IS summed modulo 720 and stored in an internal phase offset regrster Subsequent assignments of zero phase sums the displayed phase value into the phase offset register The stored phase offset value IS recalled with the CLR OFS key The OFS phase offset indicator illuminates when a phase offset...

Page 38: ...yed After selection of the DUTY CYCLE key the duty cycle iL value is changed with the numeric keypad and O O units key or modified with the MODIFY controls The duty cycle range is from 1O O to 99 of the period with a minimum pulse width of 20 nanoseconds The resolution of the duty cycle is 0 01 O O The duty cycle remains constant for changes in frequency provided the pulse width is greater than 20...

Page 39: ...waveform Single or continuous see Figure 1 20 and ramp or triangle see Figure 1 21 linear sweeps are selectable Linear sweep parameters are entered with the START FREQ START FREQuency STOP FREQ STOP FREQuency CNTR FREQ CeNTeR FREQuency SPAN TIME AND MKR CF keys The MKR FREQ MarKeR FREQuency key allows the rear panel TTL level MARKER OUT MARKER OUTput signal to be specified ...

Page 40: ...s another sweep from the stop frequency to the start frequency HP IB Example SS Continuous Sweep The CONT CONTinuous key initiates a continuous linear sweep The indicator above the CONT key illuminates when a continuous sweep is in progress With a ramp sweep selected i e TRIANGLE indicator extinguished the CONT key initiates a repetitive sweep from the start frequency to the stop frequency over th...

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Page 42: ...of both channels is set to the same value by a change in start fre quency of either channel The frequency range is 0 to 13 MHz 2 Tone Mode The channel B start frequency tracks changes to the channel A start frequency The channel A start frequency range is 0 to 13 MHz The channel B start frequency can have up to a 100 kHz offset from channel A with a maximum frequency of 13 1 MHz If a channel A fre...

Page 43: ...stop fre quency of either channel The frequency range is 0 to 13 MHz 2 Tone Mode The channel B stop frequency tracks changes to the channel A stop frequency The stop frequency range of channel A is 0 to 13 MHz The channel B stop frequency can have up to a 100 kHz offset from channel A wit h a maximum frequency of 13 1 MHz If a channel A frequency change forces the channel B frequency to less than ...

Page 44: ...fied with the MODIFY controls The MHz kHz and Hz units allow convenient entry of frequency values Frequency resolution is I pHz for frequencies below 100 kHz and 1 mHz for frequencies above 100 kHz Only one marker is available NOTE Whendifferent start or stop frequencies are entered for each channel selecting alternate channels can have the apparent effect of changing the marker frequency Although...

Page 45: ...sweep The TRIANGLE key is selected by pressing the blue SHIFT key prior to the MKR FREQ key The TRIANGLE indicator is illuminated when a triangle sweep is selected and extinguished when a ramp sweep is selected HP If3 Examples SMI SM2 or or SM RAMP SM TRGL STEP 1 STEP Z STEP 3 STEP 4 ...

Page 46: ...mHz for frequencies above 100 kHz NOTE Frequency spans must be consistent with the oper ating limits and the value entered for the center fre quency Excessive frequency spans are symmetri ca yreduced around the current center frequency to bring the start or stop frequencies within limits 2 Channel Mode The frequency span of each channel is set independently The frequency range of each channel is 0...

Page 47: ...changed with the numeric keypad and units keys or modified with the MODIFY controls The MHz kHz and Hz units allow convenient entry of frequency values The frequency resolution is 1 pHz for frequencies below 100 kHz and 1 mHz for frequencies above 100 kHz If the center frequency causes the sweep start or stop frequency to exceed the HP 3326A limits the frequency span is reduced Z Channel Mode The ...

Page 48: ...ange of each channel is 0 to 13 MHz 2 Phase or Pulse Mode The center frequency of both channels is set to the same value by a change in the center frequency of either channel The frequency range is 0 to 13 MHz 2 Tone Mode The channel A center frequency has the range of 0to 13 MHz The start and stop fre quencies of channel B tracks changes to the channel A start and stop frequencies to maintain the...

Page 49: ...Discrete frequency SWeeP is displayed if no discrete frequency sweep elements are stored in memory Selecting TRIANGLE for a discrete frequency sweep cancels the discrete frequency sweep and selects a linear sweep The DISCRETE key enables and disables discrete frequency sweeps The DISCRETE key is available by pressing the blue SHIFT key prior to pressing the TlME key The DISCRETE indicator illumina...

Page 50: ...plays the mes sage Error 23 RNGE RaNGE The message Error 117 DSWP Discrete frequency SWeeP is displayed fa d scretefrequency element IS entered after the mode IS changed Discrete frequency sweep element storage uses the same nonvolatile memory as the SAVE key stores Discrete sweep frequency storage memory is assigned by the HP 3326A Discrete frequency sweep elements are stored in the following mem...

Page 51: ... replaces the discrete frequency sweep elements stored in nonvolatile memory with the preset operating state The CLR DISCRETE key is available by pressing the blue SHIFT key prior to the green INSTR PRESET key HP IB Example DRST The TIME key enables display entry or modification of the discrete frequency sweep element dwell time for both channels After selection of the TIME key the time value is c...

Page 52: ...Discrete Frequency Sweep STEP 1 STEP 2 STEP 3 STEP 4 Flgure 1 22 Discrete Frequency Sweep ...

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Page 54: ...he types of modulation available for the operating modes If a modulation type is unavailable check the mode of operation channel B frequency and COMBINED oper ation Modulation is disabled by pressing each of the MODULATION selection keys and extinguishing all of the MODULATION indicators by changing the mode or by preset ting the HP 3326A Figure 1 23 illustrates modulation definition Figures 1 25 ...

Page 55: ... is below 100 kHz HP 1 Example AIAl or AIA ON Percent AM The AMIPM DEV percent Amplitude ModulationlPhase Modulation DEViation key enables display entry or modification of the modulation percentage The AMIPM DEV key is selected by pressing the blue SHIFT key prior to the AMPTD key The AMIPM DEV indicator illuminates when the modulation value is displayed After selec tion of the AM PM DEV key the m...

Page 56: ...odulation source for channel A Thus only the channel A output is active For internal phase modulation 5 kHz is the u o a maximum channel B frequency When internal modulation is selected the channel B high voltage option is disabled If internal modulation cannot be selected i e the INT PM indicator does not illuminate check that the 2 CHANNEL mode is selected COMBINED operation is disabled and the ...

Page 57: ...n of the O oAM PM DEV key the phase modulation deviation is en tered or modified with the numeric keypad and DEG units key or modified with the MODIFY controls The phase modulation deviation ranges from 0to 360 with 0 01 resolution The modulation value is used for both AM and PM If the displayed modula tion value is in degrees pressing the O O units key converts the displayed value to per cent Sim...

Page 58: ...Modulation indicator is illumi nated Channel A is phase modulated by an external source through the rear panel A PHASE MOD INlSYNC PM IN channel A PHASE MODulation INput SYNChronous Phase Modulation INput connector when the channel A EXT PM or AB SYNC PM indi cator is illuminated For synchronous phase modulation channel B phase is held cons tant relative to the channel A phase Channel B is phase m...

Page 59: ...external source through the rear panel B PHASE MOD IN connector when the channel B EXT PM indicator is illuminated HP IB Example AEPI or AEP ON BEPI or BEP ON SPEI or SPE ON Disabling Modulation Modulation is disabled by pressing the MODULATION selection keys corresponding to an illuminated indicator until all the indicators are extinguished Modulation is also dis abled by changing the mode with t...

Page 60: ...urrent operating state when power is removed from the HP 3326A Saving an operating state in a memory register that interrupts contiguous memory used by discrete frequency sweep elements displays the Error 23 RNGE RaNGE mes sage Saving an operating state in the lowest memory register occupied by discrete frequency sweep elements reclaims that memory register for operating state storage HP 16 Exampl...

Page 61: ...or the discrete frequency sweep element The RCL DISCRETE key is ava lableby pressing the blue SHIFT key prlor to pressing the RECALL key Valid discrete frequency sweep elements numbers range from 00 to 62 Recalling a null dis crete frequency sweep element displays the message Error 20 RNGE RaNGE HP IB Example Save Discrete The SAVE DISCRETE key followed by a discrete frequency sweep element number...

Page 62: ...ster occupied by dis crete frequency sweep elements reclaims that memory register for operating state storage HP IB Example Clear Discrete The CLR DISCRETE CLeaR DISCRETE key erases all discrete frequency sweep elements stored in nonvolatile memory and replaces the states with the preset state The CLR DISCRETE key is available by pressing the blue SHIFT key prior to the green INSTR PRESET key HP I...

Page 63: ...y is pressed the calibration indicators sequence through the INTERNAL EXTERNAL and MULTIPHASE selections A calibration is initiated with the MANUAL key Internal Calibration With internal calibration selected as the calibration source the HP 3326A phase am plitude dc offset and internal modulation is calibrated with internal references HP 18 Examples CMDI or CMD INT ...

Page 64: ... phase with respect to chan nel A phase Phase is sensed through the rear panel A EXT 4 CAL IN and B EXT4 CAL INIMULTI Q REF IN connectors The external calibration inputs require an input range from 3 to 10 volts peak to peak over the frequency range of 1 kHz to 13 1 MHz Figure 1 27 illustrates a typical external phase calibration circuit Amplitude dc offset and internal modulation are calibrated w...

Page 65: ...s After calibrating channel A phase to the external reference channel B phase is internally 11 10VPPl calibrated to channel A phase The external calibration inputs require an input range E K T C A L I from 3 to 10 volts peak to peak over the frequency range of 1 kHz to 13 1 MHz Figure llMULTi 4 REF iN 1 28 illustrates a typical multiphase calibration circuit Amplitude dc offset and inter nal modul...

Page 66: ...L Automatic Calibration An automatic calibration cycle is enabled by pressing the blue SHIFT key prior to the MANUAL key The AUTO indicator illuminates when automatic calibration is enabled When automatic calibration is enabled a calibration occurs immediately after enabling automatic calibration 5 minutes after power is applied 15 minutes after power is ap m plied and at 30 minute intervals there...

Page 67: ... test number is displayed to indicate the test results During a self test the outputs are disabled HP IB Example THE HP IB STATUS KEYSIINDICATORSICONNECTOR The HP IB Hewlett Packard Interface Bus Status keys and indicators are used during remote operation An overview of the HP IB and a description of the HP 3326A HP IB characteristics is in Chapter II Chapter Ill describes the HP 3326A commands un...

Page 68: ...request NOTE An SRQ may be generated while the HP 3326A is in local if the status byte mask used to enable an SRQ is not reset To extinguish the front panel SRQ indicator set the SRQ mask to zero and perform a serial poll with a controller or apply po wer with the blue SHIFT key depressed fa memory clear operation For more information on the status byte mask refer to Reading and Masking the Status...

Page 69: ...ns are extended through the use of HP IB commands described in Triggered Sweeps and Modifying Parameters in Chapter Ill To inhibit inadvertently triggered sweeps remove the trigger signal from the EXT TRlG IN connector or disable triggered operation with the TOFF Trigger OFF HP IB command MARKER 1 Z BLANK PEN LIFT I X DRIVE OUTPUTS The MARKER OUT Z BLANK OUT and X DRIVE OUT connectors provide outp...

Page 70: ...the stop frequency MARKER OUT drops to a low level at the selected marker frequency When sweeping from the stop to the start frequency MARKER OUT rises to a high level at the selected marker frequency Ramp Linear Sweep When sweeping from the start to the stop frequency MARKER OUT drops low at the selected marker frequency Discrete Frequency Sweep MARKER OUT drops low at the start of each frequency...

Page 71: ...he maximum Z BLANK OUT ratings are Maximum current sink 100 mA Allowable voltage range 0 to 42 V dc Z BLANK OUT drops low at the start of sweep and remains low until the end of a sweep At the end of a sweep the Z BLANK OUT goes to a high level and remains high while the frequency is reset to the start frequency Triangle Linear Z BLANK OUT drops low during the sweep from the start frequency to the ...

Page 72: ...p frequency and decreases from 10 to 0 volts for the sweep from the stop fre quency to the start frequency Ramp Linear Sweep X DRIVE OUT increases from 0 to 10 volts for the sweep from the start frequency to the stop frequency At the end of a sweep the output is reset to 0 volts Discrete Frequency Sweep Normally X DRIVE OUT increases linearly from 0 to 10 volts during the total sweep time If the t...

Page 73: ...the oscilloscope connections used to obtain the display Figure 1 34 illustrates the output from the SYNC A and CH A connectors The impedance of the SYNC A output is 50 Q When the SYNC A output is terminated in 50 Q the output levels are Low level 5 0 2 V High level r 1 2 V If the SYNC A output is connected to a high im pedance load the voltage levels will be approxi mately twice the values listed ...

Page 74: ...nel B output The output is ac coupled with a level greater than 100 mV peak to peak into 50 ohms The output frequency is controlled through a channel B FREQ key entry channel B sweep or channel B phase modulation Figure 1 35 illustrates the oscilloscope connections used to obtain the display Figure 1 36 illustrates the output from the 20 33 MHz B L O OUT connector ...

Page 75: ...20 33 MHz L O Output ...

Page 76: ...ifi cations if power is disconnected for less than 24 hours If power is disconnected for more than 24 hours the HP 3326A may require up to 72 hours of operation to meet frequency specifications External Frequency Reference The HP 3326A is phase locked to external frequency references through the 1 2 5 10 MHz REF IN connector Phase locking to an external frequency reference transfers l O dBml the e...

Page 77: ...CHAPTER2 HP IBOPERATION ...

Page 78: ...ON OF THE HP IB HP 3326A HP 16 CAPABILITY HP IB INTERFACE MANAGEMENT LINES TALK 1 LISTEN ADDRESSES VIEWING THE HP 3326A HP IB ADDRESS CHANGING THE HP 3326A HP IB ADDRESS BUS MESSAGES SERVICE REQUEST THE STATUS BYTE MASKING THE STATUS BYTE ...

Page 79: ...Qservice This Document is a complete scan from the Original HP Agilent Manual Qservice ...

Page 80: ...information across the HP IB Figure 2 3 describes the lines used in managing the HP IB TALKlLlSTEN ADDRESSES Each HP IB device has at least one talk and one listen address unless the device is totally transparent or a talk only or listen only device Device addresses are used by the active controller in the COMMAND MODE ATN true to specify the talker via a talk address and the listener via listen a...

Page 81: ...five least significant bits of the address On HP IB devices with selector switches these are the five address switches The address can be from 0to 30 inclusive The sixth and seventh bits determine if the address is a talk or listen address respectively High level HP IB controllers typically configure these two bits au tomatically Figure 2 4 lists the HP IB addresses if a controller requires the ta...

Page 82: ... memory When selecting an address remember that the controller also has an address usually 21 To change the HP IB address Press the blue SHIFT key followed by the LOCAL key in the HP IB STATUS block to display the HP IB address Enter the address with the numeric keypad For two digit HP IB ad dresses the address is set when the second digit is entered For a single digit HP IB address the address is...

Page 83: ...rred between instruments on the HP IB Instructions transferred to the instrument are called device dependent com mands All the commands specifically for the HP 3326A fall into this category The HP 3326A device dependent commands configure the HP 3326A initiate measurements initiate data transfers or define error reporting conditions These device dependent commands are meaningless for other instrum...

Page 84: ...nates the front panel SRQ indicator and generates the SRQ Bit six the require service bit is sometimes referred to as the status bit in connection with a poll Any bit in the status byte may initiate an SRQ The status byte may be masked to select which bits cause the HP 3326A to set the SRQ line When a controller senses an SRQ it can poll each device to fine the device requiring service The HP 3326...

Page 85: ...n internal HP 3326A function Figure 2 6 describes the HP 3326A status byte bit positions and the events and conditions that set and reset each bit Any status bit becomes enabled set when the condition it represents changes from false to true An enabled bit sets bit 6 and generates an SRQ if the BooleanAND of the status byte and the status byte mask is not equal to zero ...

Page 86: ...of MASKnPC where n is an integer number corresponding to the enabled bits in the status byte and PC is the suffix used to end the command The integer number is determined by summing the decimal values of the enabled bits in the status byte Figure 2 6 describes the HP 3326A status byte and lists the decimal value of each bit position The require service bit bit 6 cannot be disabled ...

Page 87: ...CHAPTER3 HP 3326A HP IBCOMMANDS ...

Page 88: ... 3 4 INTERROGATING THE HP 3326A FOR SETUP PARAMETERS 3 4 DISPLAYING THE HP 3326A SETUP PARAMETERS 3 4 MODIFYING PARAMETERS 3 5 DISPLAY CONTROL 3 6 SAVING OR RESTORING A N HP 3326A SETUP 3 6 HP 3326A IDENTIFICATION 3 7 TRIGGERED SWEEPS 3 8 READING A N D MASKING THE STATUS BYTE 3 8 ERROR CODES 3 10 HP 3325A COMPATIBILITY 3 12 UNITS 3 13 HP 3326A MNEMONICS SUMMARIES 3 14 ...

Page 89: ...Qservice This Document is a complete scan from the Original HP Agilent Manual Qservice ...

Page 90: ...re ignored An HP IB mnemonic must precede any setup data or suffix After information is requested from the HP 3326A the HP 3326A responds with the information when it is addressed to talk The HP 3326A uses the following forms for HP IB commands COMMAND FORM EXAMPLE EXAMPLE DESCRIPTION Mnemonic EOS CHA Channel A Mnemonic Suffix EOS FCNA SIN Sine function for channel A Mnemonic Data EOS HVA 0 High v...

Page 91: ...essing is to issue the com mand WAIT The HP 3326A does not finish the handshake on the command WAIT until the last character is accepted This insures that the previ ous command has been processed When BUSM2 BUS Mode 2 is in effect the HP 3326A buffers up to 100 characters of HP IB data While the buffered characters are being processed the controller can communicate with other devices on the bus If...

Page 92: ...setup parameter is read over the HP IB by sending the parameter HP IB mnemonic followed by a question mark The HP IB command summary table lists the parameters that can be interrogated and the form of the response For example sending the mnemonic FR sets up the HP 3326A to respond with the frequency value for the selected channel The frequency value is transmitted when the HP 3326A is addressed to...

Page 93: ...positive range value and a suffix applicable for the value to be modified Values entered with the ElNC command apply only to the UP DN TUP and TDN HP IB commands Only one ElNC value is stored internally by the HP 3326A An error is generated if the display is incremented or decremented and the ElNC command suffix is not compatible with the units of the displayed value An example of the ElNC command...

Page 94: ...ed the HP 3326A will not respond to the front panel keys Torestore the HP 3326A to front panel operation without a controller apply power with the shift key depressed amemory clear oper ation A memory clear replaces the contents of the nonvolatile memory with preset state setup data and changes the HP IB address to 18 DlSPl or DlSP O N The DlSPl DISPlay or DlSP ON command enables the HP 3326A to d...

Page 95: ...he new setup is set after the last data word is received Data loaded into the HP 3326A must be data output by the LRN command The received HP IB data is checked inter nally to insure data integrity RCL The RCL ReCaLI command combined with an integer recalls a stored instrument setup from internal memory to the current HP 3326A setup The RCL command has the syn tax of RCLnwhere n is an integer rang...

Page 96: ...us command enables the HP 3326A to initiate a continuous sweep when a trigger is received A sweep in progress is stopped after the STC command is issued The shortest delay I 10 I S between a trigger and sweep start occurs when the trigger is preceded by the SRE Sweep REset command STS The STS Sweep Triggered Single command enables the HP 3326A to initiate a single sweep when a trigger is received ...

Page 97: ...te and PC is the suffix used to end the command The integer is determined by summing the decimal values of the enabled bits in the status byte Figure 3 1 describes the HP 3326A status byte and lists the decimal value of each bit position The require service bit bit 6 cannot be disabled and mask program ming for this bit is ignored ...

Page 98: ...PC where 48 is the sum of 16 plus 32 ERROR CODES ERR The ERR command transmits the code for the last error that occurred resets the error register and resets the error bits in the status byte Bit 5 in the status byte is set when either a program error or hardware error occurs Bit 0 is also set when a program error occurs and bit 3 is also set when a hardware error occurs Figure 3 2 summarizes the ...

Page 99: ...Error Codes ...

Page 100: ...A program for HP 3326A operation are adding the CHA or CHB com mand to specify the affected channel of the HP 3326A and reducing frequency values greater than 13 MHz Figure 3 3 lists the mnemonics unique to HP 3325A that are recog nized by the HP 3326A For HP 3325A compatibility the HP 3326A also recognizes in terrogations for entered values that have the letter I preceding the mnemonic ...

Page 101: ...Units UNITS Figure 3 4 lists the units used with the HP IB mnemonics ...

Page 102: ... mode Output amplitude range is changed with the selection of DC OFFSET com biner and high voltage option BC OFFSET is changed with the selection of function combiner high voltage option and amplitude The interrogation response column lists the form of the response after interrogating the HP 3326A To interrogate the HP 3326A for a setup value issue only the HP IB mnemonic followed by a question ma...

Page 103: ...3 MHz HZ KHz FF ft k HZ FRequency MHZ or Resolutior 1 pHz FR HZ 100 kHz 1 rnHz 100 kHz Syntax FR7 5MHZU PHASE PH 1720 DEG PH i E c DEG PHase Resolution 0 01 Syntax pH1 80 05DEG1 DUTY DUTY 1 99 3 0 PC DUTYk E t PC DUTY cyc e CYCLE Resolution 0 01 90 Syntax DUTY25 50PC3 oAMI ML 0 100 PC ML t E PC Modulation Level PM DEV or or Resolution 0 1O O 0 360 DEG ML t E DEG 3 15 ...

Page 104: ...HP IB Mnemon c Summaries ...

Page 105: ...HP IB Mn MODE 2 MODE TWO Phase MODE TWOP MODE 3 MODE TWO Tone Syntax MODE3 MODE TWOT MODE 4 ...

Page 106: ...se modulation Syntax BEPI BEP ON none NOM NO Modulation Syntax NOM STATUS BLOCK CHAN CHA select CHannel A Syntax CHA CHB select CHannel B Syntax CHB SWEEP BLOCK CONT SC Sweep Continuous Syntax SC CNTR CF 0 13 MHz HZ KHz CF HZ Center Frequency Resolution 1 pHz CF HZ 1 mHz 100 kHz ...

Page 107: ...F HZ SP HZ 100 kHz 1 mHz 100 kHz Syntax SP7 1 E6HZ TIME STlM 5 ms 1000s SEC MS STlrd r M E iffSEC Sweep TlMe Resolution 1 MS Syntax STIM 3MS TRIANGLE SM ...

Page 108: ...or code Syntax ERR HP 3326A IDENTIFICATION ID HP3326A IDentification Syntax ID RDY REV SER ReaDY Syntax RDY REVision Syntax REV A00000 SERial number Syntax SER MODIFYING PARAMETERS DN ElNC see description DOWNincrement by ElNC value Syntax DN Entry INCrement for UP DN TUP and TDN commands Use increment resolution and suffix appropriate for entry value modified Syntax EINCI HZ EINC IVRMS UP increme...

Page 109: ...G OR RESTORING AN HP 3326A SETUP LRN 0 9 PRG 0 9 LeaRN read nonvolatile memory Syntax LRN3 ProGram restore non volatile memory Syntax PRGS TRIGGERED OPERATION STC Sweep Triggered Continuous Syntax STC Sweep Triggered Single Syntax STS Trigger DOWN increment by ElNC amount Syntax TDN Trigger OFF Syntax TOFF Trigger UP increment by ElNC amount Syntax TUP ...

Page 110: ... CH A or OFF ON Channel A Internal Am Syntax AIAI AIA ON AIP 0 1 CH A Channel A Internal Pm 0r Syntax AIPI OFF ON AIP ON AM 0 1OV VO AMPTD AMplitude VRMS Resolution 1 mVpp DBM Syntax AM1 1 25V01 DBV BEA 0 1 CH B Channel B External Am or Syntax BEA1 OFF ON BEA ON BEP 0 1 CH B 0r OFF ON Channel B External Pm Syntax BEPI BEP ON BUSM 1 2 none BUS Mode Syntax BUSM2 ...

Page 111: ...HP IB Mnemonic Summaries CHA CHAN select CHannel A Syntax CHAW Calibration MoDe EXTernal Syntax CMDI CMD EXT Calibrat onMoDe MULT phase Syntax CMD3 DRCL 00 62 RCL DISCRETE ...

Page 112: ...htion 0 01 Syntax DUTY25 05PCW ElNC see description none Entry INCrement for UP DN TUP and TDN commands Use increment resolution and suffix appropriate for entry value modified Syntax EINC1 HZ EINC IVRMS ERR none ERRor code Syntax ERR FunCtioN channe Syntax FCNB2 3 24 ...

Page 113: ...HP IB Mnemonic Summaries ...

Page 114: ...HP IB Mnemon c Summaries PULS none suffix for PULSe mode RAMP none suffix for RAMP sweep RCL 0 9 RECALL ReCaLl Syntax RCL3 RDY none ReaDY Syntax RDY REV none REVision Synrax REV ...

Page 115: ...HP IB Mne ...

Page 116: ... 1 mS Syntax STIM 3S1 STS none Sweep on Trigger Sinale TOFF none Trigger OFF Svntax TOFF TRGL suffix TRianGLe sweep mode SELF TEST UP none UP increment by ElNC value Syntax UP VO units VOlts peak to peak for amplitude VOlts d c for d c offset VRMS tinits Volts RMS for amplitude ...

Page 117: ...APPENDICES ...

Page 118: ......

Page 119: ...Qservice This Document is a complete scan from the Original HP Agilent Manual Qservice ...

Page 120: ... resolution for parameter modified HP IB exceeds maximum value for parameter modified HP IB units scale EINCvalue to less than minimum or maximum values HP IB SRQ MASK range greater than 255 HP IB FCNA or FCNB range not equal to 0 1 2 or 3 HP IB MODE range not equal to 1 2 3 or 4 HP IB SM range not equal to 1 2 or 3 HP IB CMD range not equal to 1 2 or 3 HP IB BUSM range not equal to 1 or 2 HP IB R...

Page 121: ... option is active Check that the change to channel A frequency does not cause the channel B fre quency to exceed 1 MHz INTeRrogate A parameter is interrogated over the HP IBthat does not have an interrogation response Check HP IB command structure INTeRrogate The channel B amplitude or offset is selected as the display value when internal modulation is enabled Channel B amplitude is controlled by ...

Page 122: ...nnel B frequency is greater than 100 kHz and internal AM is selected Internal PM or AM is not enabled Change the channel B frequency prior to enabling modulation CoMBineR Combined operation is enabled and AM or PM is selected AM or PM is not enabled Disable combined operation prior to selecting modu lation SWeep FRequency The start and stop frequencies are equal for both chan nels and a frequency ...

Page 123: ...he 5 kHz internal PM limit or exceeds the 100 kHz internal AM limit during a discrete frequency sweep Reduce the discrete frequency sweep element frequen cy or disable modulation Discrete Sweep MoDe The discrete frequency sweep elements in memory are incompatible with the mode selected For example discrete frequency elements entered in 2 PHASE mode and current mode is 2 TONE Change the HP 3326A mo...

Page 124: ...uits If this message occurs after the HP 3326A is fully warmed up 30 minutes of operation the HP 3326A may require repair or adjustment to meet specifications Phase CALibration A phase calibration is unsuccessful and the HP 3326A is unable to calibrate internal circuits If this message occurs after the HP 3326A is fully warmed up 30 minutes of operation the HP 3326A may require repair or adjustmen...

Page 125: ...oth outputs share the same ground and may be floated up to k 42 V peak AC DC AC AMPLITUDE All Waveforms RANGE fWlTHOUT DC OFFSET Function Sine Square Pulse Units Displayed min max min max peak to peak 1 000 mV 10 OOV 1 000 mV 1OOOV rms 0 354 mV 3 5 4 V 0 500 mV 5 00 V dBm 50Q 56 02 23 98 53 01 26 99 dBV 69 03 10 97 66 02 13 98 RESOLUTION 4 digits or approximately 0 lo of valuefor peak to peakentry...

Page 126: ... evelsnferna Cal 8 1 unequal Levels Exleindl Cal SquarelSquare Outputs Cal Mode O 1Hz lOHz 1 kHz 100 kHz 1 MHz 13 MHz Internal1 kO5O 0 Z 0 02O 07O k 5 0 Internal2 08O 04O 04O 5 1 0 7 0 External1 NIA k02O 07O 5 0 1 At amplitude levels between 1 V to 10Vpp 3 98 to 23 98 dBm 2 At amplitude levels between 0 lV to 10Vpp 16 02to 23 98 dBm TypicalPerformance UNEQUAL LEVELS SquarelSquare Mode Phase Errori...

Page 127: ... out put automatically turned off and termi nated in 50Q The combiner may be used in the Two Channel Two Phase and Two Tone modes only DC offset IS automati cally set to 0 V when the combiner is on 7L X u m u AMPLITUDE The maximum settable lev els of Channels A and B are each reduced by 6 02 dB AMPLITUDE ACCURACY Add the fol lowing to the amplitude accuracy of Chan nel A or 8 given on page 10 DC t...

Page 128: ...ents HP 16 CONTROL CAPABILITY Compatble w t h IEEE Standard 488 1978 All front panel func t o n s except lhne swltch and HP IB address are programmable Specla1 HP IB only functons Include Servce Requests dagnost csdevlce trgger for external trlgger and front panel dspay secure mode The 3326A IS comoatble w th most HP 3325A HP IB mnernoncs INTERFACE FUNCTIONS SH1 AH1 T6 L4 SR1 RL1 PPO DCI DTI C O E...

Page 129: ...97 8 mm D 7 x 16 314 x 19 518 ACCESSORIES INCLUDED 1 ea Operating Manual HP Part Number 03326 90000 1ea Service Manual HP Part Number 03326 90010 ACCESSORIES AVAILABLE 15507A Ground lsolator for break ng sig n a grounds between input and output connectors thereby isolating a connector from the chassis ground 11048C50 Ohm FeedThru Terminationfor terminating outputs In 50fi 11652 60009 50 Ohm BNC Po...

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Page 131: ...nector 1 57 HP IB STATUS block 1 57 HV key 1 13 HV A nd cator 1 13 HV B nd cator 1 13 INSTR PRESET key 1 3 1 52 INSTR STATE block 1 39 1 50 INT AM nd cator 1 45 INT PM ndcator 1 46 INTERNAL ndcator 1 53 APPENDIX C LISTEN ndcalor 1 58 LOCAL key 1 58 MANUAL key 1 56 MARl ER OUT connector 1 60 MKR FREO key 1 34 MKR CF key 1 38 MODE block 1 6 MODE key 1 6 MODIFY block 1 18 MODULATION block 1 44 MODULA...

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Page 134: ...ferenced to chassis ground 10 MHz OVEN OUTPUT Option 001 provides a high stability frequency reference when con nected to 1 2 5 10 MHz REF IN The 10 MHz OVEN OUTPUT is a square wave 3 dBm 50 0 This output is referenced to chassis ground 5 20 33 MHz B L O OUTPUT 20 33 MHz B L O OUTPUT provides an output offset from the channel B frequency by 20 MHz This output is referenced to chassis ground 6 MARK...

Page 135: ...WICK REFlmmCE GUIDE OPERATION rnD l EmmiNCE MANUAL Chapter 3 Page 3 10 Figure 3 2 Add 30 In 2 X X E d e with channel E high voltage option enaloled charnel B frequency cannot track change to chnnel A frequency Page INSTALLATION 2 Figure 2 Change the 2 2 1 1 1 24WV fuse type t o 2 A 25CJ V NORMAL BUTC 1 and fuse part ntnber to 211040Cl2 Page II JSTALLATION 1 BCX JER liEQvIRENENTS paragraph Change t...

Page 136: ... line of the EXTEFWK REW specification t o is lo o one degree per degree centigrade IIppendix B Page B4 Change the page reference in the PEPSSE m I S E specification to Bl Appendix B Page B5 Change the KWER specification to 100 120 220 24GN 5 la 48 to 66 Hz 126 VA 290 VA with a l l ions 100 VA standby 17 October 1984 Supplement A for 03326 9CXWEl Paqe 2 of 2 ...

Page 137: ... GA 30348 Tel 404 955 1500 WESTERN USA Hewlell Packard Co 3939 Lankershlrn Blvd P 0 Box 3919 LOS ANGELES CA 9 1604 Tel 213 506 3700 OTHER INTERNATIONAL AREAS Hewlett Packard Co intercontlnenlal Headquarters 3495 Deer Creek Road PAL0 ALTO Ch 94304 Tel 415 857 1501 Telex 034 8300 Cable HEWPACK ANGOLA Telectra Empresa T6cnica de Equipamentos R Barbosa Rodrigues 41 1DT Caixa Postal 6487 LUANDA Tel 355...

Page 138: ...SIA Tel 62698 Telex 2894 LEW O O CY E M P D E N M A R K Hewlett Packard AJS Datavej 52 DK 3460 BIRKEROD Tel 02 8 1 66 40 Telex 37409 hpas dk A CH CM CS E MS P Hewletl Packard AJS Rolighedsvej 32 OK 8240 RISSKOV Aarhus Tel 06 17 60 00 Telex 37409 hpas dk CH E D O M I N I C A N R E P U B L I C Microprog S A Juan Tom Mejfa y Cotes No 60 Arroyo Hondo SANTODOMING0 Tel 565 6268 Telex 45 10ARENTA O R RCA...

Page 139: ...ANNHEIM Tel 0621 70050 Telex 0462105 AGE Hewlett Packard GmbH Geschlftsstelle Messerschmittstrasse 7 D 7910 NEU ULM ie1 0731 70241 Telex 0712816 HP ULM D AGE Hewlett Packard GmbH Geschlftsstelle Ehhericherstr 13 D 8500 NURNBERG 10 Tel 0911 5205 0 Telex 0623 860 CH CM E MS P Hewlett Packard GmbH Geschlftsstelle Eschenstrasse5 D 8028 TAUFKIRCHEN Tel 089 6117 1 Telex 0524985 A CH CM E MS P GREAT BRIT...

Page 140: ...4 M CHIBA 280 Tel 472 25 7701 Yokogawa Hewlett Packard Ltd Yasuda Seirnei Hiroshima Bldg 6 11 Hon dori Naka ku HIROSHIMA 730 Tel 82 241 0611 Yokogawa Hewlett Packard Ltd Towa Building 2 3 Kaigan dori 2 Chorne Chuo ku KOBE 650 Tel 078 392 4791 C E Yokogawa Hewlett Packard Ltd Kurnagaya Asahi 82 Bldg 3 4 Tsukuba KUMAGAYA Saitarna 360 Tel 0485 24 6563 CH CM E Yokogawa Hewlett Packard Ltd Asahi Shinbu...

Page 141: ...4BAHWANMB PAKISTAN Mushko Company Ltd 1 8 Street 43 Sector F 8 1 ISLAMABAD Tel 51071 Cable FEMUS Rawalpindi A E M Mushko Company Ltd Oosman Chambers Abdullah Haroon Road KARACHI 0302 Tel 5241 31 524132 Telex 2894 MUSK0 PK Cable COOPERATORKarachi A E M Pe PANAMA Eleclr6nicoBalboa S A Calle Samuel Lewis Ed Alfa Aparlado 4929 PANAMA5 Tel 63 6613 63 6748 Telex 3483ELECTRON PG A CM E M P PERU C a Elect...

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Page 143: ...ado Hewlett Packard Co 24 lnverness Place East ENGLEWOOD CO 80112 Tel 303 649 5000 A CH CM CS E MS SALES SUPPORT OFFICES Arranged alphabetically by country Ud Connecticut Hewlett Packard Co 47 Barnes IndustrialRoad South P O Box 5007 WALLINGFORD CT 06492 Tel 203 265 7801 A CH CM CS E MS Florida Hewlett Packard Co 2901 N W 62nd Street P O Box 24210 FORTLAUDERDALE FL 33307 Tel 305 973 2600 CH CS E M...

Page 144: ...h Carolina Hewlett Packard Co Brookside Park Suite 122 1 Harbison Way P O Box 21708 COLUMBIA SC 29221 Tel 803 732 0400 CH E MS Hewlett Packard Co Koger Executive Center Chesterfield Blda Suite 124 GREENVILLE 6 2 9 6 1 5 Tel 803 297 4120 Tennessee Hewlett Packard Co 224 Peters Road Suite 102 P O Box 22490 KNOXVILLE TN 37922 Tel 615 691 2371 A CH MS Hewlett Packard Co 3070 Directors Row MEMPHIS TN 3...

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