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Chapter 1 Getting Started

Making Measurements

Operating Guide

1-29

1

Setting the Counter to Flag On Limits But Continue
Measuring

Perform the following steps to select the GO ON choice in the ON FAIL
display if you want the Counter to continue measuring even though an
measurement result exceeds the limits previously entered.

The current modified measurement of the input signal applied to
CHANNEL 2 is displayed.

Since the Counter is now in the go-on-fail mode, the Limit annunciator in
the display will light each time a measurement exceeds the limits you set.
However, the Counter will continue to make measurements.

Limit
Modes

Run

Freq

Ch 2

M

Gate

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Summary of Contents for 53131A

Page 1: ...Operating Guide HP 53131A 132A 225 MHz Universal Counter ...

Page 2: ......

Page 3: ...use the HP 53131A 132A 225 MHz Universal Counter The information in this guide applies to instruments having the number prefix listed below unless accompanied by a Manual Updating Changes package indicating otherwise SERIAL PREFIX NUMBER 3313A to 3736A HP 53131A 3352A to 3736A HP 53132A ...

Page 4: ...l replace software media which does not execute its programming instructions due to such defects For detailed warranty information see back matter Safety Considerations General This product and related documentation must be reviewed for familiarization with this safety markings and instructions before operation Before Cleaning Disconnect the product from operating power before cleaning Warning Sym...

Page 5: ... xiv Repackaging for Shipment xv Description of the 225 MHz Universal Counter xvi Options xviii Hardware xviii Support xviii Accessories Supplied and Available xix Accessories Supplied xix Accessories Available xix Supplied Manuals xix Differences Between Prior and Current Revisions of the HP 53131A 132A xx HP 53131A Containing Firmware Revisions 3317 3335 or 3402 xx Calibrations xxi Measurements ...

Page 6: ... Test Graph Characters at a Glance 1 10 The Rear Panel at a Glance 1 11 Making Measurements 1 12 To Measure Frequency 1 13 To Select Input Coupling and Impedance 1 15 Selecting Input Coupling 1 15 Selecting Input Impedance 1 16 To Set Input Channel Trigger Level Sensitivity 1 17 Changing Trigger Mode 1 17 Modifying Input Trigger Level 1 17 Selecting Input Trigger Slope 1 18 Selecting Input Sensiti...

Page 7: ...36 2 Operating Your Universal Counter Introduction 2 2 Chapter Summary 2 2 Where to Find Some Key Working Examples 2 3 How this Counter Works for You 2 4 Using the Measurement Control Keys Run and Stop Single 2 5 Overview of the Measurement Control Keys 2 5 To Use the Measurement Control Keys 2 6 Using Entry Select Arrow Keys 2 8 To Use During Numeric Entry 2 8 To Use When Sequencing Through the M...

Page 8: ...xternal Arming Functions 2 16 Gate External Arming Capabilities 2 16 AUTO Arming 2 16 EXTERNAL Arming 2 17 TIME Arming 2 17 DIGITS Arming 2 17 HP 53131A and HP 53132A With S N Prefix Below 3646 Time Interval DELAY Arming 2 17 HP 53132A With S N Prefix 3646 and Above Time Interval DELAY Arming 2 20 To Use the Gate and External Arm 2 24 Example Procedure for Gate and External Arm 2 24 Example Proced...

Page 9: ... 2 36 Using the LIMITS Menu Keys 2 37 Overview of Limits Menus 2 37 To Set and Use Automatic Limit Testing 2 38 Limits Testing Example 1 Flag and Stop Measuring On Limits 2 38 Limits Testing Example 2 Flag On Limits but Continue Measuring 2 40 Limits Testing Example 3 Use Analog Graph Display While Adjusting Input Signal 2 40 Limits Testing Example 4 Selecting Filtering Conditions of Stats Computa...

Page 10: ...dress 2 58 Selecting Operating Mode Talk Listen Talk Only 2 58 Setting the HP IB Address 2 58 To Choose the Timebase Source 2 59 To Run the Self Test Routines 2 59 Overview of the Self Test Routines 2 59 Example Procedure for Running the Self Test 2 61 To Configure the RS 232 Serial Port for Printing 2 61 Setting the Hardware Pacing 2 62 Setting the Baud Rate 2 62 Setting the Parity 2 63 Setting t...

Page 11: ...eset Values After Power Up and RST 2 78 HP 53131A and HP 53132A With S N Prefix Below 3646 Preset Values for Functions Accessible Via Front Panel or HP IB 2 79 HP 53132A With S N Prefix 3646 and Above Preset Values for Functions Accessible Via Front Panel or HP IB 2 85 Preset Values for Functions Accessible Via HP IB Only 2 91 Summary of the Measurement Sequence 2 93 Common Questions 2 94 Why is S...

Page 12: ... Inputs Continued 3 3 Time Base 3 4 Measurement Specifications 3 5 Measurement Specifications Continued 3 6 Measurement Definitions 3 12 Measurement Definitions Continued 3 13 Measurement Arming and Processing 3 14 Measurement Arming and Processing Continued 3 15 General Information 3 16 Index ...

Page 13: ... This preface contains the following information Contents and Organization page xii Related Documents page xiii Types of Service Available if Your Instrument Fails page xiv Repackaging for Shipment page xv Description of the 225 MHz Universal Counter page xvi Options page xviii Accessories Supplied and Available page xix Supplied Manuals page xix Differences Between Prior and Current Revisions of ...

Page 14: ...r 1 Getting Started is a quick start guide that gives you a brief overview of the Counter s keys indicators menus display and connectors Last a graphical procedure for performing a complete measurement is provided Chapter 2 Operating Your Universal Counter is an operator s reference You are given an overview of each group of front panel keys operating functions and menus followed by a series of ex...

Page 15: ...ng Series 200 Application Notes Fundamentals of Electronic Frequency Counters Application Note 200 HP part number 02 5952 7506 Fundamentals of Time Interval Measurements Application Note 200 3 HP part number 02 5952 7561 Understanding Frequency Counter Specifications Application Note 200 4 HP part number 02 5952 7522 ...

Page 16: ...air unit yourself Standard Repair Services Worldwide Contact your nearest HP Service Center They will arrange to have your HP 53131A 132A Universal Counter repaired Express Repair Performance Calibration Service USA Only If downtime is critical you can receive your repaired HP 53131A 132A via overnight shipment Just call 1 800 403 0801 and ask for Express Repair Performance Calibration Service Whe...

Page 17: ...g Attach a tag to the instrument identifying the owner and indicating the required service or repair Include the instrument model number and full serial number Place the instrument in its original container with appropriate packaging material Secure the container with strong tape or metal bands If the original shipping container is not available place your unit in a container which will ensure at ...

Page 18: ... to 200 measurements per second and is suitable for bench top operation and lower volume ATE operation The frequency and time interval resolutions for the HP 53132A are up to 12 digits in one second and 150 picoseconds respectively The HP 53132A provides users with exceptional resolution and is ideal for ATE systems operation The HP 53131A 132A basic measurement functions include Frequency Period ...

Page 19: ...ty is 10 MHz only optional ultra high high or medium stability oven oscillators for high accuracy needs and lengthened calibration cycles external gating statistics automatic limit testing SCPI programming capability and analog display mode limit testing Programmable control is performed via an HP IB The HP IB and a talk only RS 232C serial port are standard for the HP 53131A and HP 53132A The ser...

Page 20: ...ity Oven Timebase Option 001 DC Power Input Option 002 High Stability Oven Timebase Option 010 Ultra High Stability Oven Timebase Option 012 HP 53132A only 3 0 GHz RF Input Channel Channel 3 Option 030 5 0 GHz RF Input Channel Channel 3 Option 050 12 4 GHz RF Input Channel Channel 3 Option 124 Rear Terminals1 Option 060 Rack Mount Kit Option 1CM Also available under HP part number 5062 3972 Lock L...

Page 21: ...able HP 34161A Accessory Pouch HP 34131A Transit Case Printer RS 232 Interface cables HP 24542G or HP 24542H HP IB cables HP 10833A B C D Supplied Manuals HP 53131A 132A Operating Guide this guide HP P N 53131 90055 HP 53131A 132A Programming Guide HP P N 53131 90044 HP 53131A 132A Assembly Level Service Guide HP P N 53131 90023 ...

Page 22: ... of the differences between the earlier firmware revisions and current firmware revision If you have an HP 53132A with a serial number prefix below 3646 read the subsection titled HP 53132A Time Interval Delay Arming on page xxii NOTE Note that throughout the guide differences between the earlier and current firmware revisions are noted where applicable HP 53131A Containing Firmware Revisions 3317...

Page 23: ...ains other than the current firmware revision the following measurement capabilities are different Ratio channel selections Ratio 2 to 1 and Ratio 3 to 1 for those counters equipped with Channel 3 are not available Ratio AUTO armed does not automatically extends gate to capture sufficient edges If Channel 1 input frequency is less than approximately 10 Hz the Ratio gate time is not extended to cap...

Page 24: ...r 100 percent In the prior firmware revisions 3317 3335 or 3402 MINimum or 0 percent corresponded to low sensitivity and MAXimum or 100 percent corresponded to high sensitivity CONFigure TOTalize TIMed CONFigure TOTalize CONTinuous MEASure TOTalize TIMed If your Counter contains firmware revisions 3402 and below the Totalize Measurement Instruction commands shown above are not available to disable...

Page 25: ...hapter 1 Getting Started in the Operating Guide first The Quick Reference Guide follows this page and consists of the following items Menu Trees which may be torn out of the guide for external use pages 1 2 3a and 3b Menu Roadmaps which illustrate via key press sequences how to navigate through the menus under the menu keys pages 4 through 11 Key press sequences are provided for the following menu...

Page 26: ...xxiv Operating Guide ...

Page 27: ... 000000 UPPR 0 000000 N 100 OFFS 0 000000 SET OFFSET SCALE 1 000000 MATH HELP MATH OFF MATH ON STATS OFF STATS ON LIM TEST OFF LIM TEST ON ON FAIL GO ON ON FAIL STOP SHOW NUMBER SHOW GRAPH SHOW STDDEV SHOW MEAN SHOW MAX SHOW MEAS SHOW MIN USE ALL MEAS USE IN LIMIT ON SINGLE 1 ON SINGLE N Other Meas Time Period Freq Ratio Limit Modes Uppr Lower Scale Offset Stats HP 53131A 132A Universal Counter HP...

Page 28: ...TO TRG OFF LEVEL 0 000V COMMON 1 OFF COMMON 1 ON SENSTVTY HI SENSTVTY LO SENSTVTY MED SLOPE POS SLOPE NEG COMMON 1 OFF COMMON 1 ON SENSTVTY HI SENSTVTY LO SENSTVTY MED SLOPE POS SLOPE NEG CH 1 NO FILT CH 1 LP FILT CH 1 X1 ATT CH 1 X10 ATT CH 1 AC CH 1 DC CH 1 1M OHM CH 1 50 OHM Trigger Sensitivity DC AC X10 Attenuate 100kHz Filter Save Print HP 53131A and HP 53132A 2 LEVEL 50 PCT ...

Page 29: ... EXTERNL GATE AUTO GATE TIME START NEG START POS STOP TIME STOP POS STOP NEG STOP AUTO TI 1 TO 2 Time Period Gate ExtArm ARM EXTERNL ARM AUTO T IME 01000 DELAY TIME DELAY NONE TIME 01000 DELAY TIME DELAY NONE SLOPE NEG SLOPE POS HP 53131A and HP 53132A S N below 3646 3a Serial Number Prefix below 3646 ...

Page 30: ... TIME STOP POS STOP NEG STOP AUTO TI 1 TO 2 Time Period Gate ExtArm START EXT START AUTO T 1 E 1 DELAY EVENT DELAY TIME DELAY NONE T 1 E 1 DELAY EVENT DELAY TIME DELAY NONE DELAY EVENT DELAY TIME DELAY NONE SLOPE NEG SLOPE POS STOP EXT STOP AUTO HP 53132A S N 3646 and above 3b Serial Number Prefix 3646 and above SLOPE NEG SLOPE POS T 1 E 1 ...

Page 31: ...IME 1 NEG WIDTH 1 Time Period Time Period Time Period Time Period Other Meas Other Meas Other Meas Other Meas PHASE 1 TO 2 DUTYCYCLE 1 VOLT PEAKS 1 VOLT PEAKS 2 TOTALIZE 1 MEASURE Freq Ratio Time Period Other Meas Time Period Other Meas Other Meas Time Period HP 53131A 132A Universal Counter Freq Ratio RATIO 2 TO 1 Freq Ratio RATIO 3 TO 1 Freq Ratio 1 HP 53131A and HP 53132A 4 ...

Page 32: ... TIME 100 Enter Gate ExtArm STOP NEG STOP POS STOP STOP TIME Gate ExtArm TIME 100 Enter Gate ExtArm DIGITS 10 Gate ExtArm Gate ExtArm TIME 200 TIME 2000 DIGITS 5 Enter RUN RUN RUN RUN MEASURE Freq Ratio FREQUENCY 1 Gate ExtArm Gate ExtArm HP 53131A 132A Universal Counter STOP AUTO HP 53131A and HP 53132A 5 ...

Page 33: ...r RUN ARM EXTERNL DELAY NONE DELAY TIME TIME 02000 ARM AUTO RUN RUN RUN Gate ExtArm SLOPE SLOPE POS SLOPE NEG Time Period TI 1 TO 2 Gate ExtArm Gate ExtArm HP 53131A and HP 53132A Universal Counter HP 53131A and HP 53132A S N below 3646 6a Serial Number Prefix below 3646 ...

Page 34: ...START EXT Gate ExtArm Gate ExtArm SLOPE Gate ExtArm DELAY Enter SLOPE POS SLOPE NEG HP 53132A S N 3646 and above HP 53132A Universal Counter Gate ExtArm T 1 T 100 1 Gate ExtArm E 1 DELAY EVENT DELAY NONE DELAY TIME Enter E 1000 A B C 6b Serial Number Prefix 3646 and above ...

Page 35: ... ExtArm Enter Run DELAY E 1 DELAY EVENT DELAY NONE DELAY TIME Gate ExtArm E 1000 HP 53132A S N 3646 and above HP 53132A Universal Counter STOP Gate ExtArm SLOPE SLOPE POS SLOPE NEG Gate ExtArm STOP AUTO STOP EXT A B C 6c Serial Number Prefix 3646 and above ...

Page 36: ...ON FAIL GO ON LIM TEST Limit Modes SHOW NUMBER Limit Modes RUN LIM TEST OFF LIM TEST ON ON FAIL GO ON ON FAIL STOP SHOW NUMBER SHOW GRAPH RUN RUN LIMITS Limit Modes Limit Modes Uppr Lower Uppr Lower Limit Modes HP 53131A 132A Universal Counter Uppr Lower RUN HP 53131A and HP 53132A 7 ...

Page 37: ...T Scale Offset Scale Offset Scale Offset Scale Offset SCAL 2 000000 Enter RUN OFFS 0 500000 RUN OFFS nnnnnnn Enter MATH OFF MATH ON RUN Enter MEAS X SCALE OFFS RESULT RUN Enter MATH Scale Offset Scale Offset HP 53131A 132A Universal Counter HP 53131A and HP 53132A 8 ...

Page 38: ...SHOW N 100 STATS STATS OFF STATS ON USE USE ALL MEAS USE IN LIMIT Stats Stats Stats Enter Stats Run RUN N 200 RUN MATH Stats SHOW MEAS Stats HP 53131A 132A Universal Counter ON SINGLE ON SINGLE 1 ON SINGLE N Stats Run HP 53131A and HP 53132A 9 ...

Page 39: ...RUN LEVEL 2 000V Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Freq Ratio FREQUENCY 1 RATIO 1 TO 2 PERIOD 1 RISETIME 1 FALLTIME 1 POS WIDTH 1 NEG WIDTH 1 TOTALIZE PHASE 1 TO 2 DUTY CYCLE 1 Time Period Other Meas FREQUENCY 2 FREQUENCY 3 RATIO 1 TO 3 HP 53131A 132A Universal Counter Trigger Sensitivity RATIO 2 TO 1 RATIO 3 TO 1 HP 53131A and HP 5...

Page 40: ...EL 0 000V LEVEL 50 PCT LEVEL 75 PCT Enter RUN LEVEL 2 000V Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Trigger Sensitivity Time Period TI 1 TO 2 COMMON 1 COMMON 1 OFF COMMON 1 ON Trigger Sensitivity RUN RUN CHANNEL 1 CHANNEL 2 HP 53131A 132A Universal Counter Trigger Sensitivity HP 53131A and HP 53132A 11 ...

Page 41: ...1 Getting Started ...

Page 42: ...enuate 100kHz Filter Damage Lvl 5V rms MAX 50Ω Damage Lvl 5V rms MAX 50Ω 100 MHz 3 GHz Enter 53131 A 225 MHz UNIVERSAL COUNTER Freq Ratio POWER SRQ Remote 50Ω 1MΩ DC AC DC AC 50Ω 1MΩ 2 3 4 5 6 7 1 12 13 9 Period Freq Wid Wid Rise Fall Time Ch 1 Ch 2 Ch 3 ExtRef MHz µs Gate Limit 11 8 10 14 1 Measurement function menu keys 2 Limits menu keys 3 Math menu keys 4 Sign or selection toggle key 5 Data En...

Page 43: ...r example TI 1 to 2 is enabled When these indicators are lit the key s enable menu item that is Limit Modes LIM TEST Scale Offset MATH Stats STATS and Save Print PRINT is enabled When this indicator is lit it indicates that you are in the Trigger Sensitivity menu for the corresponding channel When this indicator flashes it indicates that the arrow keys can be used to modify or enter data When one ...

Page 44: ...at is 1MΩ AC X1 or no filter is active A lit Remote indicator indicates that the Counter is in remote mode Note In the remote mode the Save Print key becomes the Local key If while in remote an error occurs the Remote indicator will flash The indicator will continue flashing until the controller has read or cleared the error queue or until the front panel returns to local mode An unlit Remote indi...

Page 45: ...LT PEAKS 2 TOTALIZE 1 Other Meas PERIOD 1 RISETIME 1 FALLTIME 1 POS WIDTH 1 TI 1 TO 2 NEG WIDTH 1 Time Period FREQUENCY 2 RATIO 1 TO 2 FREQUENCY 1 RATIO 1 TO 3 1 FREQUENCY 3 1 2 Freq Ratio RATIO 2 TO 1 RATIO 3 TO 1 1 Limit Modes LOWR 0 000000 UPPR 0 000000 Uppr Lower Gate ExtArm Stats N 100 OFFS 0 000000 SET OFFSET SCALE 1 000000 MATH HELP Scale Offset MATH OFF MATH ON GATE DIGITS GATE EXTERNL GAT...

Page 46: ...measurement function TI 1 TO 2 7 Channel 2 is the same except CH 2 instead of CH 1 is displayed These menus will terminate after two seconds Recall RECALL 1 RECALL 3 RECALL 0 RECALL 5 RECALL 2 RECALL 4 NO REGISTERS RECALL 20 Save Print UNSAVE SAVE PRINT HELP PRINT OFF PRINT ON Trigger Sensitivity DC AC 50Ω 1MΩ X10 Attenuate 100kHz Filter LEVEL 50 PCT AUTO TRG ON AUTO TRG OFF LEVEL 0 000V COMMON 1 ...

Page 47: ...OP is OFF HP IB 3 REV Recall Utility On Stby POWER TIMEBAS AUTO TIMEBAS INT TIMEBAS EXT CAL HELP TEST LOOP ON TESTLOOP OFF TST PRINT ON TST PRINT OFF BAUD 19200 BAUD 1200 BAUD 9600 BAUD 300 BAUD 2400 PARITY OFF PARITY EVEN PARITY ODD SWPACE NONE SWPACE XON DTR HIGH DTR LIMIT DTR HW PACE SHOW9AS 9 0 SHOW 9 AS 9 0 TEST DISP TEST ALL TEST ROM TEST CPU TEST HP IB TEST EEPROM TEST FPGA TEST QSPI TEST F...

Page 48: ... and there is no calibration security capability 9 This menu item appears and calibration is permitted only if calibration is unsecure Enter in the correct code to change calibration to secure refer to the section titled Using the Calibration Menu in Chapter 2 in this guide for more information 10 Timebase can be automatically calibrated only if the timebase option is installed Scale Offset On Stb...

Page 49: ...ignal Ch 2 Counter s channel 2 is selected to measure an input signal Ch 3 Counter s channel 3 is selected to measure an input signal Limit Counter is limit testing and the current measurement exceeds the user entered limits ExtRef Counter is set to use the signal connected at rear panel Ref In connector as the timebase TIMEBAS EXT or Counter is set to automatically TIMEBAS AUTO select the timebas...

Page 50: ...ter Description A placeholder that indicates this digit is not significant Period Freq Wid Wid Rise Fall Time Ch 1 Ch 2 Ch 3 Limit ExtRef MHz µs Gate Special Character Description The colons represent the lower and upper limits The asterisk represents the last measurement These marks indicate that the last measurement was significantly past the limit in the direction indicated Freq Ch 1 or ...

Page 51: ...m Ref In I N P U T S AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIONS 001 MS Oven 010 HS Oven SERIAL PLATE To Configure Hold Recall during turn on Osc Adjust RS 232 ISM 1 A 92 FOR LABORATORY USE BY QUALIFIED PERSONNEL FOUR USAGE EN LABORATOIRE PAR PERSONNEL QUALIFIE 5 6 7 8 9 1 2 HP IB Talk Only 2 3 1 Rear panel input connectors optional 2 Power module Senses incoming...

Page 52: ...ling impedance and trigger sensitivity keys to set the input conditions of the appropriate input channel to match the signal being measured Third you are shown how to scale and offset the measurement result Fourth you are shown how to set upper and lower limits for measurements Fifth you are shown how to enable the Counter to compute statistics such as standard deviation and display statistics of ...

Page 53: ...ase 2 Press key two times and release 3 Repeated key presses 4 Press and hold 5 Result 6 Auto operation 7 Connect signal 8 Disconnect signal 9 Indicator off 10 Indicator on 11 Indicator flashing 6 1 2 3 4 5 7 8 9 11 10 On Stby POWER Period Freq Wid Wid Rise Fall Time Ch 1 Ch 2 Ch 3 Limit ExtRef MHz µs Gate Freq Ch 1 Freq Ch 1 ...

Page 54: ...e illustrated procedure below The Counter will automatically display the measured frequency of the input signal Disconnect the demonstration signal from CHANNEL 1 and connect it to CHANNEL 2 as shown in the following steps Freq Ch 1 MHz Gate Damage Lvl 5V rms MAX 50Ω CHANNEL 1 Other Meas Time Period Gate ExtArm MEASURE Freq Ratio Freq Ratio Freq Ratio Freq Ch 1 Freq Ch 1 Freq Ch 2 Freq MHz Ch 2 Ga...

Page 55: ...onstrate this Perform these procedures whether or not you want to customize the Counter s input conditions to measure your signal doing this will help you become familiar with the DC AC 50Ω 1MΩ and Trigger Sensitivity keys To Select Input Coupling and Impedance Remember the input signal is still connected to CHANNEL 2 Selecting Input Coupling Channel 2 s input coupling is now set to dc If you want...

Page 56: ... can also be used to toggle the state of toggle keys DC AC 50Ω 1MΩ etc as indicated by the flashing indicator within the arrow keys However for simplicity in this procedure use the corresponding toggle key to change states If you want to change the input impedance back to the default 1 MΩ impedance perform the following step 50Ω 1MΩ 50Ω 1MΩ Freq MHz Ch 2 Gate ...

Page 57: ...te of Auto Trigger Modifying Input Trigger Level The leftmost 0 digit in the LEVEL display is highlighted indicating that if you press the d key once the displayed value will increase to 1 000 volt as shown in the following step NOTE BE SURE to always press the Enter key to complete numeric data entries Channel 2 s trigger level is now set to 1V Trigger Sensitivity Enter Trigger Sensitivity Enter ...

Page 58: ... set the trigger level to 0 05V perform the following steps NOTE BE SURE to always press the Enter key to complete numeric data entries Channel 2 s trigger level is now set to 0 05V Selecting Input Trigger Slope Enter Display 1 7 13 92 Trigger Sensitivity Display 1 7 13 92 ...

Page 59: ...set key allows for multiplication and addition respectively of the measurement by user specified constants Modification of the displayed measurement by these Math operations is represented by the following equation Measurement Scale Offset Displayed Results The Scale and Offset Math operations can be used for example to subtract systematic errors or display the percentage difference between signal...

Page 60: ...steps Press and hold the d key until the value of Scale is 10 as shown in the following step NOTE BE SURE to press the Enter key to enter the value of 10 The Scale is now set to 10 and MATH has been enabled The Scale Offset indicator is now lit to show that MATH is enabled Since MATH is enabled the results are being scaled and offset Scale Offset Stats Scale Offset MATH Enter ...

Page 61: ...y of the Offset value as shown in the following step Press the s key six more times to cause the Counter to display your entry in Mega units as shown in the following step The leftmost 0 digit in the OFFSet display is highlighted indicating that if you press d key once the displayed value will increase to 1 Mega that is 1E6 as shown in the following step NOTE BE SURE to press the Enter key to ente...

Page 62: ...then offset by 1 For more details and real applications of the Math Scale and Offset operations refer to the appropriate section in Chapter 2 Operating Your Universal Counter Disabling Math Note that the Scale Offset key indicator is now off NOTE DO NOT cycle POWER because you will need to use these Scale and Offset values in the following procedure To Set Limits of Measurements Continue to the fo...

Page 63: ...re To Select Scale and Offset Enable Math by performing the following steps The result of this Math operation is a measurement of 101 MHz Measurement Scale Offset Result 10 MHz 10 1Mega 101 Mega Now set the upper limit to 102 Mega and the lower limit to 100 Mega by performing the following procedures Figure 1 1 and Figure 1 2 illustrate the limits settings Display 1 7 13 92 Scale Offset Display 1 ...

Page 64: ...he s key six more times to cause the Counter to display your entry in Mega units as shown in the following step The leftmost 0 digit in the UPPR display is highlighted as shown above indicating that each press of the d key will increase the displayed value Limit Modes Uppr Lower LIMITS Uppr Lower M M ...

Page 65: ...d Making Measurements Operating Guide 1 25 1 NOTE BE SURE to press the Enter key to enter the 102 Mega value Figure 1 1 102 Mega Upper Limit Setting M M Enter M M 1 102 Mega Upper Limit 2 101 Mega Scale Offset Measurement 1 2 ...

Page 66: ...it Press the arrow keys as shown in the following steps to set the lower limit value Press the s key six more times to cause the Counter to display your entry in Mega units as shown in the following step NOTE BE SURE to press the Enter key to enter the 100 Mega value Uppr Lower M M M Enter M ...

Page 67: ...ga Lower and 102 Mega Upper Limits Settings Figure 1 3 represents what transpired during this Math and Limits procedure Figure 1 3 Math and Limits Results 1 102 Mega Upper Limit 2 101 Mega Scale Offset Measurement 3 100 Mega Lower Limit 1 Raw Measurements 2 Math 3 Limits 4 Measurements Scale Offset Results within Limits 1 2 3 1 2 3 4 ...

Page 68: ...revious procedure perform the following steps to select the STOP choice in the ON FAIL display Note that ON FAIL GO ON is the default state after power up The current modified measurement of the input signal applied to CHANNEL 2 is displayed Since the Counter is now in the stop on fail mode the Limit annunciator in the display will light and the Counter will stop making measurements when a measure...

Page 69: ... Counter to continue measuring even though an measurement result exceeds the limits previously entered The current modified measurement of the input signal applied to CHANNEL 2 is displayed Since the Counter is now in the go on fail mode the Limit annunciator in the display will light each time a measurement exceeds the limits you set However the Counter will continue to make measurements Limit Mo...

Page 70: ...g Limit Testing The Counter is now making measurements without limit testing Disabling Math The Counter is now making measurements without the scale offset values calculated into the measurements Limit Modes Display 1 7 13 92 Scale Offset Display 1 7 13 92 Run Freq MHz Ch 2 Gate ...

Page 71: ...tandard deviation of the current input data which is the 10 MHz signal applied to CHANNEL 2 Also you want the Counter to make 20 measurements before it computes the standard deviation Perform the following steps Updating the SHOW configuration caused Stats to be enabled The Stats indicator is now lit NOTE BE SURE to press the Enter key to enter the value of 20 Stats Scale Offset MATH Stats Stats E...

Page 72: ...he 10 MHz signal since no limits were set Computing Stats on Filtered Data Only A special feature of the Counter allows you to use the upper and lower limits to filter data before statistical processing or computation as shown in Figure 1 4 Figure 1 4 Filtering Data Before Statistical Computation 1 Raw Measurements 2 Limits 3 Filtered data USE IN LIMIT 4 Statistics Run Freq Ch 2 Hz Freq Ch 2 Hz Ga...

Page 73: ...pute statistics on only frequency measurements within the limits you set Since the Limits were set to 101 Mega and 102 Mega values that are based on a scale of 10 and offset of 1 Mega you must re enable Math now to get the measurements to be within the limits Perform the following steps Display 1 7 13 92 Display 1 7 13 92 Stats Display 1 7 13 92 Scale Offset Display 1 7 13 92 ...

Page 74: ...o show standard deviation at the beginning of this Stats procedure But you may want to perform the step anyway to verify that the Counter is displaying the standard deviation of the measurement The standard deviation value shown in the previous illustration is for demonstration purposes The statistic is computed using only those measurements which fell within the limits you set For more details on...

Page 75: ...ating Guide 1 35 1 Disabling Stats and Math The Counter is now making and displaying normal measurements that is the Counter is not showing statistics or scale offset results Stats Display 1 7 13 92 Scale Offset Display 1 7 13 92 Run Freq MHz Ch 2 Gate ...

Page 76: ... not lit Hence pressing the Stop Single key while the Counter is making measurements in Run causes the Counter to stop after the measurement in progress is completed If you press the Stop Single key again while the Counter is stopped the Counter will make a single measurement and then stop the Gate annunciator will light one time momentarily If you press the Stop Single key while the Counter is st...

Page 77: ...2 Operating Your Universal Counter Operator s Reference ...

Page 78: ...op Single page 2 5 Using Entry Select Arrow Keys page 2 8 Using the MEASURE Menu Keys page 2 10 Using the Gate External Arm Menu Key page 2 16 Using the MATH Menu Keys page 2 27 Using the LIMITS Menu Keys page 2 37 Using CHANNEL 1 and CHANNEL 2 Input Conditioning Keys page 2 44 Using the Save and Recall Menus page 2 52 Using the Print Menu page 2 56 Using the Utility Menu page 2 57 Using the Calib...

Page 79: ...f Math Mode page 2 30 Example Procedure for Setting the Offset From the Last Measurement Value page 2 31 Example Procedure for Computing Stats page 2 33 Example Procedure for Easy Viewing of Stats page 2 34 Limits Testing Example 1 Flag and Stop Measuring On Limits page 2 38 Limits Testing Example 2 Flag On Limits but Continue Measuring page 2 40 Limits Testing Example 3 Use Analog Graph Display W...

Page 80: ... or after a remote interface reset The Counter automatically displays measurement s in a couple of seconds after you select a measurement function e g Period The Counter accepts your numeric entry for a menu item after you press the Enter key You MUST press the Enter key to complete numeric entry The Counter automatically enables Limits when you enter a numeric value for upper and or lower limits ...

Page 81: ...xit any measurement after your selection of another measurement function abort the current measurement by starting a new measurement if already in Run mode or in Single mode with a measurement in progress This also clears any statistics being processed The Stop Single key allows you to put the Counter into Single mode if the Counter was in Run mode where one measurement is taken with each Stop Sin...

Page 82: ...gnal Note that the Run key indicator is ON 3 Press Stop Single key The Counter is put into Single mode and the current measurement is completed One measurement is taken with each press of Stop Single key Note that the Stop Single key indicator is ON 4 Press Run key The Counter aborts any measurement in progress and starts making repetitive measurements That is the Counter is in a continuous measur...

Page 83: ...y and press Enter key The Counter is now displaying one of the statistical results 10 Press Stop Single key One set of N frequency measurements is taken with each press of the Stop Single key At the completion of the Nth measurement the Counter displays the statistical result selected in step 9 11 Press Stats key until ON SINGLE menu item appears then press any one of the arrow keys to set ON SING...

Page 84: ... of the displayed value Use the f key to decrement the selected highlighted digit of the displayed value Use the key to change the sign of the numeric value Use the Enter key to complete a numeric entry If a numeric entry is changed and the Enter key is NOT pressed then the value is not changed To Use When Sequencing Through the Measurement Function Menus Freq Ratio Time Period Other Meas and the ...

Page 85: ...keys are ignored during the state changing operating mode To Use on Prompted Event Messages SET OFFSET CAL OFFS n TEST ALL etc For SET OFFSET and all the TEST prompted event messages press Enter key to start the event For CAL OFFS n and GAIN n press Enter key to display instructions Press Enter key again to start the event To Use on Prompted Help Messages MATH HELP PRINT HELP When MATH HELP is dis...

Page 86: ...equence through the menus of the MEASUREment function keys Freq Ratio Time Period and Other Meas keys you simply need to repeatedly press the appropriate MEASURE key to cycle through and loop around the menus under the key Each press of a MEASURE key will advance the Counter to the next measurement function in the menu NOTE The menus under the MEASURE keys will terminate select function and return...

Page 87: ...ures To Select Input Coupling and Impedance and To Set Input Channel Trigger Level Sensitivity in Chapter 1 Getting Started or the section titled Using CHANNEL 1 and CHANNEL 2 Input Conditioning Keys in this chapter 3 Press the Freq Ratio key until FREQUENCY 2 is displayed to measure the frequency of an input signal applied to CHANNEL 2 FREQUENCY 2 is momentarily displayed the Freq and Ch2 annunci...

Page 88: ... applied to CHANNEL 1 input and a signal applied to Option 030 050 CHANNEL 3 input repeat step 1 above RATIO 1 TO 3 will be momentarily displayed and the Freq Ch1 and Ch3 annunciators will light The Counter will be ready to measure the frequency ratio of a signal applied to CHANNEL 1 in relation to a signal applied to CHANNEL 3 Ch1 Ch3 Note that the Ratio 1 to 3 menu item is not available in Count...

Page 89: ...ther positive or negative going slopes The trigger levels are set to the 50 points of each signal However you may disable auto triggering and change the trigger levels and slopes To Measure Period Press Time Period key until Period 1 is displayed Period 1 is momentarily displayed the Period and Ch1 annunciators light and the Counter is ready to measure the period of a signal applied to CHANNEL 1 T...

Page 90: ...automatically set to common channel 1 and triggering set to AUTO TRIG ON The trigger levels are set to the 50 points of each signal However you may disable auto triggering and change the trigger levels Results will range from 0 to 1 The dutycycle is defined as the positive pulse width divided by the period Note that the result is not scaled by 100 it is not a percentage To Make Totalize Measuremen...

Page 91: ... leading CHANNEL 2 the pulse result is positive To Measure Positive Negative Voltage Peaks Press Other Meas key until VOLT PEAKS 1 or VOLT PEAKS 2 depending on which measurement you want to make is displayed VOLT PEAKS 1 or VOLT PEAKS 2 is momentarily displayed the Ch1 or Ch2 annunciator lights and the Counter is ready to measure minimum and maximum voltage peaks of signals applied to CHANNEL 1 or...

Page 92: ...have different arming capabilities for Time Interval measurements Thus for simplicity their Time Interval arming capabilities are discussed in separate subsections If you are using an HP 53131A or HP 53132A with a serial number prefix below 3646 read the Time Interval Delay arming information starting on page 2 17 If you are using an HP 53132A with a serial number prefix 3646 and above read the Ti...

Page 93: ...ber of digits on the display Time arming is demonstrated in the sub section titled Example Procedure for Gate and External Arm DIGITS Arming For frequency period and ratio digits arming means you can set the number of digits of resolution that you require your result to provide Digits arming is demonstrated in the sub section titled Example Procedure for Changing the Number of Digits of Resolution...

Page 94: ...Time Interval Delay NOTE The examples in Figure 2 1 have the input signal applied to Channel 1 with COMMON 1 ON Channel 1 SLOPE POS and Channel 2 SLOPE POS DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS ARM AUTO DELAY NONE DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS DELAY TIME ARM AUTO DELAY TIME TIME specified standard T I measurement DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS ...

Page 95: ... DELAY NONE TIME TIME time Digits Arming GATE DIGITS DIGITS digits _______________ _______________ _______________ _______________ Time Arming GATE TIME TIME time _______________ Time Arming GATE TIME TIME time _______________ _______________ External Arming GATE EXTERNL START POS NEG STOP AUTO NEG POS TIME TIME time External Arming ARM EXTERNL SLOPE POS NEG External Arming GATE EXTERNL START POS ...

Page 96: ...n the specified number of stop events has occurred EXTERNAL ARMING START EXT External arming can be used to control the start or start and stop of a measurement by using an external signal as shown in Figure 2 3 Set STOP and or START to EXT to activate NOTE When external arming mode is enabled a signal must be connected to the Counter s rear panel Ext Arm connector The DELAY start delay capability...

Page 97: ...e the input signal applied to Channel 1 with COMMON 1 ON Channel 1 SLOPE POS and Channel 2 SLOPE POS DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS START AUTO DELAY NONE DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS DELAY TIME DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS DELAY STOP TO 4th EVENT 1 2 3 4 START AUTO DELAY TIME T specified START AUTO DELAY EVENT E 4 standard T I measure...

Page 98: ...nnel 2 SLOPE NEG Thus the signals applied to Channel 1 and Channel 2 are identical however the channel events occur on opposite slopes DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS START EXT SLOPE POS DELAY TIME T specified STOP AUTO DELAY EVENT E 5 DELAY STOP TO 4th EVENT 2 3 4 5 START DELAY TIME EXT ARM INPUT DESIRED T I MEASUREMENT START STOP ACTUAL T I MEAS 2 3 4 DELAY START BY 4 CHAN 2 E...

Page 99: ..._____ _______________ _______________ Time Arming GATE TIME TIME time _______________ Time Arming GATE TIME TIME time _______________ _______________ External Arming GATE EXTERNL START POS NEG STOP AUTO NEG POS TIME TIME time External Arming ARM EXTERNL SLOPE POS NEG External Arming GATE EXTERNL START POS NEG STOP NEG POS TIME TIME time External Arming ARM EXTERNL SLOPE POS NEG External Arming STA...

Page 100: ...interval of 5 milliseconds as shown in the following figure Perform the following procedure to accomplish this task 1 Turn on the Counter and press Stop Single to put the Counter into the single measurement mode 2 Connect the pulse train signal to channel 1 input and press Other Meas key until TOTALIZE 1 is displayed 3 Connect an external TTL signal to the Counter s rear panel Ext Arm connector 4 ...

Page 101: ... press the Enter key to complete the numeric entry The counter will now gate for a duration of 5 ms 10 Press Stop Single key to start the measurement The measurement is started after the external arm pulse occurs Example Procedure for Changing the Number of Digits of Resolution Displayed for More Precise Measurements 1 Turn POWER key OFF then ON again cycle POWER key to preset the Counter 2 Connec...

Page 102: ...In auto arming you produce results quickly The short gate time produces a lower resolution result 5 To change the display to the better measurement resolution using digits arming perform the following steps a Press Gate ExtArm key GATE AUTO is displayed b Press any one of the arrow keys until DIGITS is displayed c Press Gate ExtArm key DIGITS 4 is displayed the default number of digits d To set th...

Page 103: ...ubtract systematic errors or display the percentage difference between signals Also the overall math operation can be disabled and then re established without having to re enter constants The menu items of the Scale and Offset Math functions allow you to enter a desired multiplication factor for a measurement SCAL enter a desired addition or subtraction value for a measurement OFFS get and display...

Page 104: ...e to accomplish this task 1 Connect the sinusoidal output to channel 1 input and set up the Counter to measure frequency of the signal Refer to the section in this chapter titled To Measure Frequency if needed 2 Press Scale Offset key until SCAL 1 000000 is displayed 3 Set the Scale to 60 since there are sixty seconds in a minute by performing the following steps a Press appropriate arrow keys to ...

Page 105: ...fset Function Your task is to measure the Period of a signal connected to channel 1 and to offset the measurement by 100 nanoseconds Perform the following procedure to accomplish this task 1 Cycle POWER key to preset the Counter 2 Connect a signal to channel 1 and set up the Counter to measure the period of the signal using the Time Period key Refer to the section in this chapter titled To Measure...

Page 106: ...of 1000000 µs b Press key which is located below the arrow keys to change the plus sign to minus OFFS 1000000 µs is displayed c Press Enter key NOTE BE SURE to press the Enter key to complete numeric entry The counter will add 1000000 µs to each measurement 8 Press Run key The resultant period measurement is displayed with 100 nanoseconds subtracted from each result Example Procedure for Turning O...

Page 107: ...figure the appropriate OFFSET value Your task is to measure a stable source to obtain the changes in theleast significant digits 1 Cycle POWER key to preset the Counter 2 Change gate time to 15 0 seconds on GATE menu 3 To demonstrate SET OFFSET connect a 10 MHz sine wave signal to channel 1 of the Counter and set up the Counter to measure the frequency of the signal Refer to the section in this ch...

Page 108: ...Stats menu allows you to select which computed statistics you want displayed SHOW STD DEV MEAN MAX or MIN choose between having the actual measurement or statistical result displayed SHOW MEAS select the number of measurements you want to make for each computed statistic N enable or disable the Stats mode STATS ON or OFF enable the Counter to perform statistical computation on only measurements th...

Page 109: ...signal to channel 1 input and set up the Counter to measure risetime of the signal using the Time Period key Refer to the section in this chapter titled To Measure Rise Fall Times if needed 2 Press Stats key until N is displayed N 100 is displayed 100 is the default value 3 Set N to 20 since you want the Counter to make 20 measurements before computing the mean and minimum values by pressing the a...

Page 110: ...s key b Press any one of the arrow keys until SHOW MIN is displayed c Press Enter key CAUTION Pressing the Run key now would clear the present statistics results and calculate a new set of results after N measurements Example Procedure for Easy Viewing of Stats The d and f arrow keys provide a short cut to viewing each of the stats that is standard deviation mean maximum and minimum when the Count...

Page 111: ... toggle to IN LIMIT state USE IN LIMIT is displayed 5 Press Run key The Counter will now perform the statistical computations that is standard deviation mean maximum and minimum on only those measurements that are within the user entered limits The Counter then displays the statistics you picked minimum in this case 6 Press Stats key until USE is displayed 7 Press any one of the arrow keys to togg...

Page 112: ...e N Measurements Please refer to the procedure titled To Use the Measurement Control Keys on page 2 6 for an example use of ON SINGLE Example Procedure for Turning Off Stats Mode 1 Press Stats key until STATS ON is displayed 2 Press any one of the arrow keys STATS OFF is displayed 3 Press Run key to return the Counter to its normal operation ...

Page 113: ...nd lower limits or update any menu item in the Limit Modes menu thus the primary function of the LIM TEST menu item is to allow you to turn Limit Testing off set the Counter to stop making measurements when a measurement exceeds the user entered limits ON FAIL STOP Stop on limits does not have any effect if the Counter is in the single measurement mode enable the Counter to continue taking measure...

Page 114: ...io between these signals Refer to the section in this chapter titled To Measure Frequency Ratio if needed Assume that the ratio measured between the two signals is 2 If the drift is not to be larger than 10 then the upper limit should be set to 2 2 and the lower limit to 1 8 Let s set these values in the following steps 2 Press Uppr Lower key until UPPR is displayed UPPR 0 000000 is displayed 0 is...

Page 115: ...Modes indicator 7 Press Limit Modes key ON FAIL GO ON is displayed 8 Press any one of the arrow keys to toggle to the next state ON FAIL STOP is displayed The ON FAIL STOP function tells the Counter to stop making measurements when the input signals drift more than 10 apart 9 Press Run key to start making measurements with this limits testing choice selected Now if a measurement drifts out of the ...

Page 116: ...in the display will light but the Counter will continue to make measurements The Limit annunciator will go on whenever a result is out of limits As soon as a result is within limits the Limit annunciator will go off Limits Testing Example 3 Use Analog Graph Display While Adjusting Input Signal 1 For demonstration purposes connect a 10 MHz signal to channel 1 and set up the Counter to measure the f...

Page 117: ...ignal down to 9 7 MHz The star is now out of the limits as it is below the entered 9 8 MHz lower limit Note the Limit annunciator lights since the signal is out of limits 7 Now adjust your signal up to 10 3 MHz The star is now out of the limits as it has exceeded the entered 10 2 MHz upper limit Note the Limit annunciator lights since the signal is out of limits 8 To change the Counter back to dis...

Page 118: ... Press Stats key until USE IN LIMIT is displayed 5 Press any one of the arrow keys to display USE ALL MEAS The Counter will compute statistics using all measurements whether they fall in or out of the user entered limits 6 Press Run key to start the measurement 7 To turn off the Limit Testing perform the following steps a Press Limit Modes key until LIM TEST ON is displayed b Press any one of the ...

Page 119: ...ludes your Limit Testing choices by simply pressing the Save Print key until SAVE 1 is displayed then Enter key to save to register 1 b Turn off the Counter c Press and hold Recall Utility key then press POWER key d Press Recall Utility key until DTR is displayed e Press any one of the arrow keys until DTR LIMIT is displayed 2 Press Run key 3 Press Recall Utility key until RECALL 1 is displayed th...

Page 120: ...ement functions that is frequency period etc automatically set the auto trigger mode and trigger level The Trigger Sensitivity menu items allow you to override the automatic settings The menu items under the Trigger Sensitivity keys allow you to manually select the auto trigger mode AUTO TRIG ON or OFF If auto trigger is OFF you are allowed to select the voltage level at which the corresponding in...

Page 121: ... of an input signal will trigger the Counter SLOPE POS or NEG select medium high or low sensitivity levels thus varying the hysteresis window or trigger band for the optimum sensitivity for certain measurement applications SENSTVTY MED HI or LOW Sensitivity is defined in the paragraph titled Definition of Sensitivity starting on page 2 46 select a common input signal to make a Time Interval TI mea...

Page 122: ...lower hysteresis levels to generate a count as shown in the following figure Signal crosses through both hysteresis levels to effect a count If the signal peaks do not exceed beyond both hysteresis limits the input signal will not generate a count For example the peak to peak amplitude is insufficient or trigger level is set above or below the midpoint of the input signal as shown in the following...

Page 123: ...he same rms voltage may not trigger a count Since the Counter input does not respond to the rms value of the waveform but only to the peak to peak value the sensitivity specification is also given for volts peak to peak with a minimum pulse width As previously mentioned the sensitivity of the Counter can be changed by using the SENSTVTY MED HI or LOW menu choices in the Trigger Sensitivity key men...

Page 124: ...cy if needed 2 Press CHANNEL 1 Trigger Sensitivity key AUTO TRG ON is displayed 3 Press any one of the arrow keys to toggle to the auto trigger off mode AUTO TRG OFF is displayed 4 Press Trigger Sensitivity key LEVEL 0 000V is displayed Actual value may be different 5 Suppose you want to set the trigger level to 1V actual value may be different Perform the following steps a Press the appropriate a...

Page 125: ...sing edge of the input signal as shown in the following figure If you want to trigger on the negative or falling edge of the input signal then perform the following step 7 Press any one of the arrow keys until SLOPE NEG is displayed The trigger is set at negative thus the Counter triggers on the falling edge of the input signal as shown in the following figure 8 Press Trigger Sensitivity key to se...

Page 126: ...uld now be triggering as determined by the sensitivity level and displaying the input signal s frequency if the input signal peak to peak voltage is large enough for the selected sensitivity level The signal must travel completely through the trigger band before a valid trigger is recognized 10 Press any one of the arrow keys until SENSTVTY LO is displayed The Counter s CHANNEL 1 sensitivity is se...

Page 127: ...oning keys See the figure located at the end of the sub section of this section titled Overview of Trigger Sensitivity Menu Overview of Input Conditioning Toggle Keys NOTE Identical functions are available on CHANNEL 1 and CHANNEL 2 The following text describes only CHANNEL 1 functions as indicated by the 1 in the display for simplicity The toggle keys of the input channels allow you to select 50Ω...

Page 128: ...owered down or disconnected from a power source 1 The Save and Recall functions enable faster and easier operation fewer operator errors and minimum training The Save and Recall keys allow you to create and save up to 20 different instrument measurement setups into internal non volatile memory SAVE recall up to 20 user selected measurement setups that were previously saved RECALL 1 2 3 20 With a t...

Page 129: ... input coupling to DC 1 Cycle POWER key to preset the Counter setup The Counter is now ready to measure the frequency of a signal applied to CHANNEL 1 input as indicated by the Freq and Ch1 annunciators 2 Press Other Meas key until PERIOD 1 is displayed The Counter is now ready to measure the period of a signal applied to CHANNEL 1 input as indicated by the Period and Ch1 annunciators 3 Press Trig...

Page 130: ...g section To Use the Recall Function This procedure describes how to RECALL the measurement setup you ve saved in the previous procedure NOTE You cannot save a setup to register 0 RECALL 0 The Counter automatically saves the current setup to register 0 before executing a recall function You can however recall the setup in the register 0 if you need to which is the purpose of this backup storage re...

Page 131: ...ine how many setups are saved continuously press the d key while UNSAVE n is displayed and count the number of registers that are present Perform step 2 below to delete a measurement setup 1 Suppose there are two registers 1 and 2 that have setups saved in them To remove these setups perform the following a At the UNSAVE 1 display press Enter key UNSAVE 2 is displayed indicating that register 1 ha...

Page 132: ...nts the results for each measurement In addition if STATS ON all statistics that is standard deviation mean maximum and minimum will be printed NOTE Printing may slow the update rate of the Counter because the Counter may have to wait for the printer 3 Press Save Print key PRINT HELP is displayed 4 Press Enter key The instruction CONFIGURE PORT ON UTILITY MENU REMEMBER TO SAVE SETUP FIRST is displ...

Page 133: ...tware pace SW PACE XON or NONE set the hardware pace to send data to a serial printer or to send the Limit detect output to a computer or controller via the RS 232 port DTR HIGH HW PACE or LIMIT change the numerical convention of the Counter s displayed measurement values The numeric convention used in the USA separates the integral and fractional portions of a number with a period a decimal point...

Page 134: ...s on how to select an HP IB address from the front panel Talk only In this mode the Counter can send data to a printer It cannot receive commands or setups from the computer To select the talk only operating mode set the Counter s HP IB mode to TALK Refer to the section titled To Select the HP IB Talk Only Mode for Printing for instructions on how to select talk only operating mode Setting the HP ...

Page 135: ...al self tests Some self tests are performed at the powerup of the Counter Some of these self tests can also be invoked from the Utility menu Other tests can also be invoked from the Utility menu but a slightly different test is performed For example a powerup self test might work regardless of connections to the inputs while a Utility menu self test may require a specific signal to be connected So...

Page 136: ... IB chip QSPI test serial hardware control loops FPGA internally measure the timebase to test count circuitry FR END check front end circuits either by swinging trigger levels during power on test and ALL test or asking you to connect the timebase output to channels 1 and 2 using a BNC T connector to split the signal MEAS make a measurement either by swinging trigger levels during power on test an...

Page 137: ...equested task A pass or fail message will be displayed To Configure the RS 232 Serial Port for Printing Software pacing baud rate parity data bits and stop bits parameters for each port are user selectable and independent of configuration of the other The table below lists the configuration factory default values for the RS 232 port 1 When parity is EVEN or ODD data bits are fixed at 7 When parity...

Page 138: ...E Choose HW PACE to use the DTR line for pacing CAUTION You should only choose this option if your printer and cable support DTR handshaking Choose HIGH to disable hardware pacing The Counter s talk only RS 232 port is now set to be the driver for a RS 232 serial printer The hardware pacing choice is stored in non volatile memory and does not change when power has been off or after a remote interf...

Page 139: ...til the desired parity is displayed The parity choice is stored in non volatile memory and does not change when power has been off or after a remote interface reset Setting the Software Pace You can select the software pace for RS 232 operation 1 Press Recall Utility key until SW PACE is displayed 2 Press any one of the arrow keys until the desired software pacing is displayed The software pacing ...

Page 140: ...sting choices by simply pressing the Save Print key until SAVE 1 is displayed then Enter key to save to register 1 b Turn off the Counter c Press and hold Recall Utility key then press POWER key d Press Recall Utility key until DTR is displayed e Press any one of the arrow keys until DTR LIMIT is displayed 2 Press Run key 3 Press Recall Utility key until RECALL 1 is displayed then wait a few secon...

Page 141: ...er will display a frequency measurement similar to 12 0000000001 MHz for example Note that the integral portion 12 is separated from the fractional portion of the number by a comma This numerical convention is used in many other countries Your numerical convention choice for the display is stored in non volatile memory and does not change when power has been off or after a remote interface reset T...

Page 142: ...roller for the printer To Select the HP IB Talk Only Mode for Printing 1 Press and hold Recall Utility key then cycle POWER key 2 Press Recall Utility key until HP IB is displayed 3 To set the HP IB to talk only press the appropriate arrow keys until HP IB TALK is displayed The TALK choice follows 30 and precedes 0 in the set of choices for the HP IB menu item NOTE BE SURE to press the Enter key t...

Page 143: ...f the non volatile memory to a default state See the HP 53131A 132A Assembly Level Service Guide for more information The Calibration menu allows you to view the calibration security status of the Counter CAL SECURE or CAL UNSECURE initiate the Counter s calibration routines which can perform automatic calibration of the voltage offset and gain of the front end input amplifiers CAL OFFS 1 2 GAIN 1...

Page 144: ...ng example titled To Read and Store Calibration Data in Chapter 3 of the Programming Guide to read and store the calibration factors prior to initiating any calibration To View the Calibration Menu and Security Status The Calibration menu is accessed by holding the Scale Offset key and cycling the POWER key The first item in the Calibration menu is a message indicating the calibration security sta...

Page 145: ...pproximate frequency of 10 MHz The instrument routes the calibration signal in COMMON to both channels 1 and 2 and measures the average delay between the two channels so configured The advantage of the Quick Calibration is that it is easy quick and requires little special equipment The disadvantage is that the calibration term is best fit for TI measurements configured COMMON and measured from ris...

Page 146: ...one keypress invokes the calibration Notes Pertaining to the CAL TI FINE Advantage Calibration minimizes systematic error for any supported combination of input slope and routing Disadvantage Calibration signal is more complex If you perform a calibration that you feel is erroneous and do not feel you can perform the fine calibration perform the CAL TI QUIK calibration instead or restore the calib...

Page 147: ...n You are prompted to press buttons on the HP 59992A J06 Calibrator for each part of a four part calibration Note that CAL TI FINE requires the completion of four steps in order To Secure Against Calibration 1 Press and hold Scale Offset key then cycle POWER key CAL UNSECURE is displayed If CAL SECURE is displayed then the Counter is already secured against calibration and the remaining steps are ...

Page 148: ...CODE IS 5 if you entered 5 as the new code To View the Calibration Count 1 Press and hold Scale Offset key then cycle POWER key 2 Press Scale Offset key until CAL COUNT is displayed 3 Press any one of the entry keys arrow Enter to have a scrolling message appear indicating what the calibration count is Your Counter was calibrated before it left the factory When you receive your Counter read the ca...

Page 149: ... Counter switches to using the internal reference NO TIMEBASE You have selected external reference TIMEBAS EXT and there is no external reference applied to the rear panel Ref In connector or the external signal is not an allowed frequency 1INTERP FAIL Interpolator calibration failed on the last measurement therefore no valid measurement was taken 1 MEAS FAIL A measurement calibration failed on th...

Page 150: ...lier versions of the Counter do not display the HP IB address NOTE If there is a failure each test that fails will display a failure message and SELFTST FAIL will be displayed You must press any key in order for the Counter to go on Possible individual failure messages are FAIL DISP display test FAIL CPU processor test FAIL ROM ROM test FAIL RAM RAM test FAIL EEPROM EEPROM test FAIL HP IB HP IB ha...

Page 151: ...ming the calibration 1 EEPROM FAIL You have requested that a Counter setting which is stored in the EEPROM HP IB BAUD PARITY SW PACE DTR SHOW 9 AS or CAL be updated and a hardware failure has resulted GAIN 1 FAIL You have invoked the GAIN 1 choice from the Calibration menu item CAL and the calibration failed GAIN 1 PASS You have invoked the GAIN 1 choice from the Calibration menu item CAL and the ...

Page 152: ...Recall menu NO STAT MENU You currently have the VOLT PEAKS or TOTALIZE function selected and requested the Stats menu NO TRIG MENU You currently have the VOLT PEAKS function selected and requested the Trigger Sensitivity menu 1 RECALL FAIL You have requested the Counter to perform a recall from the Recall menu and a hardware failure has resulted 1 SAVE FAIL You have requested the Counter to perfor...

Page 153: ...6 HP IB Messages Display Message Description 1HP IB nnnn You have generated the HP IB error corresponding to the indicated error number Refer to Chapter 5 Errors in the Programming Guide for a list of the error descriptions 1 HP IB nnn You have generated the HP IB error corresponding to the indicated error number Refer to Chapter 5 Errors in the Programming Guide for a list of the error descriptio...

Page 154: ...fferentiate from the counters which have different arming capabilities for the Time Interval measurements This section contains the following preset value sections or tables HP 53131A and HP 53132As with serial number prefixes below 3646 Preset Values for Functions Accessible Via Front Panel or HP IB starts on page 2 79 HP 53132A with serial number prefixes 3646 and above Preset Values for Functio...

Page 155: ...emory Function Select Parameters Measurement function yes FREQ1 FREQ1 no Frequency Period and Ratio Arming Parameters Frequency arm yes ________ TIME no Frequency start arm yes IMMediate ________ no Frequency stop arm yes TIMer ________ no Frequency stop arm digits yes 4 4 no Frequency gate time yes 100 E 3s 100 E 3s no Frequency ext start arm slope yes POS POS no Frequency ext stop arm yes ______...

Page 156: ...lay enable yes ________ OFF no Time Interval stop arm yes IMMediate ________ no Time Interval delay yes 10 E 3s 10 E 3s no Input Coupling Parameters Channel 1 input coupling yes AC AC no Channel 2 input coupling yes AC AC no Input Impedance Parameters Channel 1 input impedance yes 1E 6 Ohms 1E 6 Ohms no Channel 2 input impedance yes 1E 6 Ohms 1E 6 Ohms no Input Attenuation Parameters no Channel 1 ...

Page 157: ... Parameters Channel 1 trigger slope yes POS POS no Channel 2 trigger slope yes POS POS no Sensitivity Parameters Channel 1 sensitivity yes 100 HIGH no Channel 2 sensitivity yes 100 HIGH no Input Routing Parameters Input route for Time Interval yes SEPARATE SEPARATE no Measurement Control Parameters Run Single selection yes SINGLE RUN2 no Math Operation Parameters Math on off yes OFF OFF no Scale y...

Page 158: ...asurement stats yes MEAS MEAS no Stats use all in limits yes USE ALL USE ALL no On single measurement count yes 1 AUTO OFF 1 AUTO OFF no Print Parameters Printing on off yes OFF OFF no Timebase Parameters Timebase auto internal external yes AUTO AUTO no Expected Frequency Parameters Channel 1 expected frequency no ________3 ________3 no Channel 2 expected frequency no ________3 ________3 no Channe...

Page 159: ..._____4 yes 1700 Channel 2 trigger gain cal no ________4 ________4 yes 1700 Time Interval Offset Cal Parameters no ________4 ________4 yes 2100 Utility Menu Parameters Option Timebase cal no ________4 ________4 yes 2048 HP IB address no ________4 ________4 yes 3 Digit separator radix no ________4 ________4 yes USA STYLE Baud rate RS 232 no ________4 ________4 yes 9600 Parity RS 232 no ________4 ___...

Page 160: ...ted This is to reduce confusion while the user configures major attributes of the instrument When you power up on the Utility menu the Counter is in Single Upon exit of the Utility menu the Counter transitions to Run automatically 3 At RST and at power up this value is undefined The frequency estimation routine auto frequency routine is enabled When you select auto frequency OFF and provide a valu...

Page 161: ...arameters Measurement function yes FREQ1 FREQ1 no Frequency Period and Ratio Arming Parameters Frequency arm yes ________ TIME no Frequency start arm yes IMMediate ________ no Frequency stop arm yes TIMer ________ no Frequency stop arm digits yes 4 4 no Frequency gate time yes 100 E 3s 100 E 3s no Frequency ext start arm slope yes POS POS no Frequency ext stop arm yes ________ AUTO no Totalize Arm...

Page 162: ... no Time Interval start arm delay yes IMMediate NONE no Time Interval start arm delay time yes 100 E 9s 100 E 9s no Time Interval start arm delay events yes 1 1 no Time Interval stop arm yes IMMediate AUTO no Time Interval ext stop arm slope yes POS POS no Time Interval stop arm delay yes IMMediate NONE no Time Interval stop arm delay time yes 100 E 9s 100 E 9s no Time Interval stop arm delay even...

Page 163: ...igger level volts yes 0 000V1 0 000V1 no Channel 2 trigger level volts yes 0 000V1 0 000V1 no Channel 1 trigger level percent yes 50 50 no Channel 2 trigger level percent yes 50 50 no Trigger Slope Parameters Channel 1 trigger slope yes POS POS no Channel 2 trigger slope yes POS POS no Sensitivity Parameters Channel 1 sensitivity yes 100 HIGH no Channel 2 sensitivity yes 100 HIGH no Input Routing ...

Page 164: ...on off yes OFF OFF no Stats measurement count N yes 100 100 no Display measurement stats yes MEAS MEAS no Stats use all in limits yes USE ALL USE ALL no On single measurement count yes 1 AUTO OFF 1 AUTO OFF no Print Parameters Printing on off yes OFF OFF no Timebase Parameters Timebase auto internal external yes AUTO AUTO no Expected Frequency Parameters Channel 1 expected frequency no ________3 _...

Page 165: ...______4 ________4 yes 1700 Channel 2 trigger gain cal no ________4 ________4 yes 1700 Time Interval Offset Cal Parameters no ________4 ________4 yes 2100 Utility Menu Parameters Option Timebase cal no ________4 ________4 yes 2048 HP IB address no ________4 ________4 yes 3 Digit separator radix no ________4 ________4 yes USA STYLE Baud rate RS 232 no ________4 ________4 yes 9600 Parity RS 232 no __...

Page 166: ...nu is selected This is to reduce confusion while the user configures major attributes of the instrument When you power up on the Utility menu the Counter is in Single Upon exit of the Utility menu the Counter transitions to Run automatically 3 At RST and at power up this value is undefined The frequency estimation routine auto frequency routine is enabled When you select auto frequency OFF and pro...

Page 167: ...est recalculate yes OFF ON no Reset limit test fail count on INITiate yes ON ON no Statistics Parameters Statistics type yes MEAN MEAN no Miscellaneous Measurement Parameters Monitor external timebase no TRUE TRUE no Interpolator calibration on off no ON ON no Status Reporting Parameters Event status enable no ________ 0 no Service request enable no ________ 0 no OSR enable no ________ 0 no OSR ne...

Page 168: ...s ASCii ASCii no Device trigger definition yes INIT INIT no Macros no disabled disabled no CONFigure response no ________ undefined no READ FETCh function memory no ________ ________ no Table 2 8 HP 53131A 132A Preset Values Accessible Via HP IB Only continued Description In Save Recall Value at RST HP IB Reset Value at Power Up In Non Volatile Memory ...

Page 169: ...r to perform printing and or limit detecting Use MEASURE menu keys to select the measurement function Use CHANNELs 1 and 2 keys to set up input conditioning Use Gate ExtArm key to set the gate time and resolution set arming Use Scale Offset key to set up math operations Use Uppr Lower key to set limits Use Limit Modes key to set up limit testing Use Stats key to set up statistics and limit filteri...

Page 170: ...ts outside the limits Why did Counter go to its default state after I set up my RS 232 port Did you save your state before you cycled power Did you restore your state after configuring the port Counter s numeric display does not follow the numerical convention for my country Go to the Utility menu and change the numerical convention to be displayed use the SHOW 9 AS menu item How do I display the ...

Page 171: ...3 Specifications ...

Page 172: ...50 Ω 30 Hz to 225 MHz 1 MΩ FM Tolerance 25 Voltage Range and Sensitivity Sinusoid 2 DC to 100 MHz 20 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 100 MHz to 200 MHz 30 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 200 MHz to 225 MHz 40 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 Voltage Range and Sensitivity Single Shot Pulse 2 4 5 ns to 10 ns Pulse Wid...

Page 173: ...put Characteristics Frequency Range Option 030 100 MHz to 3 GHz Option 050 200MHz to 5 GHz Option 124 200 MHz to 12 4 GHz Power Range and Sensitivity Sinusoid Option 030 100 MHz to 2 7 GHz 27 dBm to 19 dBm 2 7 GHz to 3 GHz 21 dBm to 13 dBm Option 050 200 MHz to 5 GHz 23 dBm to 13 dBm Option 124 200 MHz to 12 4 GHz 23 dBm to 13 dBm Damage Level Option 030 5 Vrms Option 050 25 dBm Option 124 25 dBm ...

Page 174: ... 10 7 4 x 10 8 2 x 10 7 5 x 10 10 1 5 x 10 8 1 x 10 10 3 x 10 9 2 x 10 8 Turn on stability vs time in 30 minutes 2 x 10 7 referenced to 2 hours 5 x 10 9 referenced to 24 hours 5 x 10 9 referenced to 24 hours Calibration Manual Adjust Electronic Electronic Electronic External Time Base Input Specifications External Time Base Input Characteristics Voltage Range 200 mVrms to 10 Vrms Damage Level 10 V...

Page 175: ...tomatic Arming where N 1 for Ch1 or Ch2 Frequency 1 MHz 4 for Ch1 or Ch2 Frequency 1 MHz 128 for Ch3 LSD Displayed RMS Resolution HP 53131A HP 53132A tres tjitter tres tjitter typical 500 ps 50 ps 225 ps 3 ps see graphs for worst case resolution performance Number of Samples Gate Time x Frequency Frequency 200 kHz Gate Time x 200 000 Frequency 200 kHz Systematic Uncertainty HP 53131A HP 53132A tac...

Page 176: ...iate graph and add a trigger error term as follows Automatic or External Arming Time or Digit Arming 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency Hz 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 Frequency Error Hz Auto Armed 1ms 1s 10s Gate Time 10ms 100ms 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 Frequency Er...

Page 177: ...m as follows Time or Digit Arming Automatic or External Arming Measurement Specifications Continued 10 100 1000 Auto Armed 1ms 10ms 100ms 1s 10s Gate Time 10000 100000 Input Frequency Hz Frequency Error Hz 1000000 1E 07 1E 08 1E 09 1E 10 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 10 100 1000 1ms 10ms 100ms 1s Gate Time 10s 10000 100000 Input Frequency Hz Frequency Error Hz 1000000 1E 07 1E 08 1E 09 1E ...

Page 178: ...t can be source locked to the 15 MHz signal then this error term can be substantially reduced The measurement resolution under these conditions is 75 µHz 1 sigma which determines the number of digits displayed Measurement Specifications Continued Measurement Error Systematic Uncertainty 2 RMS Resolution Time Base Error tacc Gate Time 2 4 tres 2 2 Trigger Error 2 Gate Time Number of Samples tjitter...

Page 179: ...sults Range 10 10 to 1011 Auto Gate Time 100 ms or sufficient cycles on Channel 2 or 3 to make a valid measurement whichever is longer LSD RMS Resolution To minimize relative phase measurement error connect the higher frequency signal to Channel 1 when possible 7 See Specifications for Pulse Width and Rise Fall Time measurements for additional restrictions on signal timing characteristics Measurem...

Page 180: ...etting is Auto Trigger8 at 10 and 90 Results Range 5 ns to 105 s LSD RMS Resolution tres Systematic Uncertainty Time Base Error Transition Time Trigger Level Timing Error 1 5 ns Differential Channel Error HP 53131A 900 ps Differential Channel Error HP 53132A Phase Measurement is specified over the full signal range of Channels 1 and 2 Results Range 180 to 360 RMS Resolution tres Systematic Uncerta...

Page 181: ... 2 for DC signals or for AC signals of frequencies between 100 Hz and 30 MHz with peak to peak amplitude greater than 100 mV The measurement will continue to operate up to 225 MHz though results are for indication only Results Range 5 1 V to 5 1 V Resolution 10 mV Systematic Uncertainty for AC signals 25 mV 10 of V for DC signals 25 mV 2 of V Use of the input attenuator multiplies all voltage spec...

Page 182: ... timing error results from a deviation of the actual trigger level from the specified indicated level The magnitude of the measurement timing error depends on several factors primarily resolution and accuracy of the trigger level circuit fidelity of the input amplifier slew rate of the input signal at the trigger point and width of the input hysteresis band see illustration Trigger level timing er...

Page 183: ...he specifications identified as Worst Case should be used when the instrument is under extreme environmental conditions or when the accuracy of the measurement results are critically important Time Interval Measurement LSD Definition For the Time Interval Pulse Width and Rise Fall Time measurements the LSD is the measurement quantization error tres is the LSD plus the effects of certain internal e...

Page 184: ...ng modes or another edge on the External Arm Input may be used to complete the measurement Time Interval Arming Modes HP 53131A Time Interval Stop Delay Arming The Stop Measurement condition on Channel 2 is inhibited trigger hold off for a user specified time following the Start Measurement on Channel 1 Time Interval Delay Range 100 µs to 10 s Time Interval Delay Resolution 10 µs from 100 µs to 10...

Page 185: ...easurement value is checked against user specified limits at the end of each measurement Display Modes The measurement result may be displayed as either the traditional numeric value or graphically as an asterisk moving between two vertical bars These bars define the upper and lower limits and the asterisk represents the current measurement result relative to these limits Out of Limits Indication ...

Page 186: ...Transient Burst Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and tested with 8kV AD according to IEC801 2 or with 1kV power line transients according to IEC 801 4 frequency miscounts may occur that will affect measurement data made during these disturbances Radiated Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and tested at 3 V m ac...

Page 187: ...enu 1 8 2 67 changing the numerical convention of the display 2 65 changing the slope 2 49 changing trigger mode 1 17 characters 1 10 X 1 10 choosing HIGH to disable hardware pacing 2 62 choosing HW PACE 2 62 choosing the timebase source 2 59 COMMON 1 ON 2 45 common questions 2 94 computing Stats on filtered data only 1 32 configuring the RS 232 for sending limit detect output 2 64 connecting to a...

Page 188: ...s 1 22 displaying Stats after filtering data of input signal 1 34 DTR Data Terminal Ready menu 2 62 duty cycle 2 14 E Enter key 2 8 entering numeric values 2 8 entering offset value 1 21 entering scale value 1 20 entry select keys arrow keys 2 8 equation scale and offset 1 19 example procedure for changing the number of digits of resolution 2 25 computing Stats 2 33 easy viewing of Stats 2 34 filt...

Page 189: ... 2 51 in case of trouble 2 94 indicators LEDs 1 3 1 4 initiating measurements 2 5 input calibration 2 69 input conditioning keys 2 44 input impedance 2 51 L Legend 1 13 Limit testing 2 38 Limit detect output 2 43 2 64 Limit Detect Output connector 1 11 Limits Testing Example 1 Flag and Stop Measuring On Limits 2 38 Limits Testing Example 2 Flag On Limits but Continue Measuring 2 40 Limits Testing ...

Page 190: ... 1 6 Scale Offset key 1 5 Stats key 1 5 Time Period key 1 5 Trigger Sensitivity key 1 6 Uppr Lower key 1 5 Utility key 1 7 X10 Attenuate key 1 6 messages front panel 2 73 HP IB 2 77 menu 2 75 power up self test 2 74 modifying input trigger level 1 17 N new security code entry 2 72 numeric entry for a menu item 2 4 numerical convention 2 65 O offset 1 19 2 27 ON SINGLE menu item 2 6 options xviii o...

Page 191: ... 2 62 SET OFFSET 2 31 setting lower limit 1 26 Setting the Baud Rate 2 62 Setting the Hardware Pacing 2 62 Setting the HP IB Address 2 58 2 66 Setting the HP IB address 2 58 Setting the Parity 2 63 Setting the Software Pace 2 63 setting upper limit 1 24 sign key 1 18 sign key 2 8 Single key 2 5 single measurement 1 36 single mode 2 5 software pace 2 63 software pacing 2 62 specifications 3 2 dimen...

Page 192: ...Calibration Menu 2 67 using the entry select keys to enter numeric values 2 8 using the entry select keys to change states of menu items 2 9 to execute prompted event messages 2 9 to execute prompted help messages 2 9 to sequence through the menus of the MEASURE keys 2 8 using the Ext Arm connector 2 24 using the Gate ExtArm key 2 24 using the input coupling toggle keys 1 15 using the input impeda...

Page 193: ...East Hewlett Packard S A International Sales Branch Middle East Africa Geneva Switzerland Tel 41 22 780 4111 Fax 41 22 780 4770 Asia Pacific Hewlett Packard Asia Pacific Ltd Hong Kong SAR Tel 852 2599 7777 Fax 852 2506 9284 Australia New Zealand Hewlett Packard Australia Ltd Blackburn Victoria Australia Tel 1 800 629 485 Australia Tel 0 800 738 378 New Zealand Fax 61 3 9272 0749 Canada Hewlett Pac...

Page 194: ... 1010 1 1990 A1 EN 61010 1 1993 EMC CISPR 11 1990 EN 55011 1991 Group 1 Class A IEC 801 2 1991 EN 50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN 50082 1 1992 3 V m 1kHz 80 AM 27 1000MHz IEC 801 4 1988 EN 50082 1 1992 1 kV Power Lines 0 5 kV Signal Lines Supplementary Information The product models listed above comply with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directiv...

Page 195: ...CLUDING LOST PROFIT OR DATA OR OTHER DAMAGE WHETHER BASED IN CONTRACT TORT OR OTHERWISE For consumer transactions in Australia and New Zealand the warranty terms contained in this statement except to the extent lawfully permitted do not exclude restrict or modify and are in addition to the mandatory statutory rights applicable to the sale of this product to you Assistance Product maintenance agree...

Page 196: ... Manual Part Number 53131 90055 Printed in U S A MAY 1999 ...

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