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Agilent Technologies 16753A Service Manual

Logic analyzers
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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

  • Page 2: Logic Analyzers

    Service Guide Publication number 16753-97003 December 2005 For Safety and Regulatory information, see the pages at the end of the book. © Copyright Agilent Technologies 2001-2005 All Rights Reserved. Agilent Technologies 16753/54/55/56A and 16950A Logic Analyzers Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Agilent 16753/54/55/56A and 16950A Logic Analyzers—At a Glance The 16753A, 16754A, 16755A, and 16756A are 600 MHz logic analyzer modules for the 16700-series or 16900-series logic analysis system. The 16950A is 600 MHz logic analyzer module for the 16900-series logic analysis system.
  • Page 4 Application This service guide applies to 16753/54/55/56A logic analyzer modules installed in 16700-series or 16900-series logic analysis system mainframes or to 16950A logic analyzer modules in a 16900-series logic analysis system mainframe. The 16753/54/55/56A or 16950A Logic Analyzer Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 5 Chapter 6, “Replacing Assemblies,” beginning on page 113 explains how to replace the module and assemblies of the module and how to return them to Agilent Technologies. Chapter 7, “Replaceable Parts,” beginning on page 121 lists replaceable parts, shows an exploded view, and gives ordering information.

  • Page 6: Table Of Contents

    Contents 1 General Information Accessories 10 Mainframe and Operating System 10 Specifications 11 Characteristics 12 Environmental Characteristics 13 Recommended Test Equipment 14 2 Preparing for Use Power Requirements 16 Operating Environment 16 Storage 16 To inspect the module 16 To configure and install the module 17 To test the module 17 To clean the module 17 3 Testing Logic Analyzer Performance...
  • Page 7 Contents Test Pod 2 in 300 Mb/s Mode 51 Test the complement of the bits (Pod 2, 300 Mb/s mode) 52 Test Pods 3 and 4 in 300 Mb/s Mode 53 Test Pod 1 in 600 Mb/s Mode 53 Determine and set Eye Finder Position (600 Mb/s mode) 54 Test the complement of the bits (Pod 1, 600 Mb/s mode) 55 Test Pod 2 in 600 Mb/s Mode 56 Test the complement of the bits (Pod 2, 600 Mb/s mode) 58...
  • Page 8 Contents Performance Test Record 4 Calibrating Calibration Strategy 88 5 Troubleshooting To use the flowcharts 90 To run the self tests (16900-series mainframe) 93 To run the self-tests (16700-series mainframe) 93 Self-Test Descriptions 94 To exit the test system (16900-series mainframe) 98 To exit the test system (16700-series mainframe) 98 To test the cables (16900-series Mainframe) 99 To test the cables (16700-series Mainframe) 104...
  • Page 9 Contents Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 10: General Information

    General Information This chapter lists the accessories, some of the specifications and characteristics, and the recommended test equipment. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 11: Accessories

    You can request a software upgrade at http://software.cos.agilent.com/16700 or by contacting your nearest Agilent Technologies Customer Support Center. Three Cooling Fans Required in 16700A-series Mainframe Earlier versions of the 16700A/01A/02A mainframe contained only two cooling fans and might not provide adequate cooling to ensure reliable performance.

  • Page 12: Specifications

    Chapter 1: General Information Specifications The specifications are the performance standards against which the product is tested. tWidth (Data Eye) Individual vHeight Data Channel Sampling vThreshold Position (Eye Finder Blue Bar) Specifications 300 Mb/s 600 Mb/s Parameter Notes mode mode Minimum master to 3.33 ns 1.67 ns...

  • Page 13: Characteristics

    Sample Rate, Timing Zoom 4 GHz 4 GHz Channel Count per Card Channel Count per Three-Card Module Channel Count per Five-Card Module Memory Depth 16753A 1 M Samples 2 M Samples Memory Depth 16754A 4 M Samples 8 M Samples...

  • Page 14: Environmental Characteristics

    Chapter 1: General Information Environmental Characteristics Probes Maximum Input Voltage ± 40 V, CAT I. CAT I = Category I, secondary power line isolated circuits. Operating Environment Temperature Instrument, 0 °C to 40 °C (+32 °F to 104 °F) when installed in a 16900A or 16902A mainframe.

  • Page 15: Recommended Test Equipment

    Chapter 1: General Information Recommended Test Equipment Equipment Critical Specification Recommended Model/Part Use† Flying Lead Probe Set No substitute Agilent E5382A P, T (Qty 2) Ground Clips No substitute 16517-82105 (pkg of 20) (Qty 10) (Included with E5382A Probe Set) Stimulus Board No substitute 16760-60001...

  • Page 16: Preparing For Use

    Preparing for Use This chapter gives you instructions for preparing the logic analyzer module for use. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 17: Power Requirements

    Chapter 2: Preparing for Use Power Requirements All power supplies required for operating the logic analyzer are supplied through the backplane connector in the mainframe. Operating Environment The operating environment is listed on page 13. Note the non-condensing humidity limitation. Condensation within the instrument can cause poor operation or malfunction.

  • Page 18: To Configure And Install The Module

    If you find any defects, contact your nearest Agilent Technologies Sales Office. Arrangements for repair or replacement are made, at Agilent Technologies' option, without waiting for a claim settlement. To configure and install the module Instructions for configuring and installing the module into the mainframe can be found in the installation guide for the mainframe.
  • Page 19 Chapter 2: Preparing for Use Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 20: Testing Logic Analyzer Performance

    Testing Logic Analyzer Performance This chapter tells you how to test the performance of the 16753/54/55/56A or 16950A logic analyzer against the specifications listed on page 11. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 21 Chapter 3: Testing Logic Analyzer Performance To ensure the 16753/54/55/56A or 16950A logic analyzer (also referred to as the module or the card) is operating as specified, software tests (self-tests) and a manual performance test are done. The logic analyzer is considered performance- verified if all of the software tests and the manual performance test have passed.
  • Page 22 Chapter 3: Testing Logic Analyzer Performance The logic analyzer will be configured to acquire data on both edges of the clock, so the test frequency is set to half of the acquisition speed. One-card Module To perform a complete test on a one-card module, start at the beginning of the chapter and follow each procedure.

  • Page 23: Equipment Required

    Chapter 3: Testing Logic Analyzer Performance Equipment Required Equipment Required The following equipment is required for the performance test procedure. Equipment Required Equipment Critical Specification Recommended Model/Part ≥ 310 MHz, two channels, Pulse Generator Agilent or HP 8133A option 003 differential outputs, 150-180 ps rise/fall time (if faster, use transition time converters)

  • Page 24: Assemble The Sma/Flying Lead Test Connectors

    Chapter 3: Testing Logic Analyzer Performance Assemble the SMA/Flying Lead Test Connectors Assemble the SMA/Flying Lead Test Connectors The SMA/Flying Lead test connectors provide a high-bandwidth connection between the logic analyzer and the test equipment. The following procedure explains how to fabricate the four required test connectors. Materials Required Material Critical Specification...
  • Page 25 Chapter 3: Testing Logic Analyzer Performance Assemble the SMA/Flying Lead Test Connectors b Trim about 1.5 mm from the pin strip inner leads and straighten them so that they touch the outer leads. c Trim about 2.5 mm from the outer leads. solder d Using a very small amount of solder, tack each inner lead to each outer lead at the point where they are touching.
  • Page 26 Chapter 3: Testing Logic Analyzer Performance Assemble the SMA/Flying Lead Test Connectors 2 Solder the pin strip to the SMA board mount connector: a Solder the leads on the left side of the pin strip to the center conductor of the SMA connector as shown in the diagram below. b Solder the leads on the right side of the pin strip to the inside of the SMA connector’s frame as shown in the diagram below.
  • Page 27 Chapter 3: Testing Logic Analyzer Performance Assemble the SMA/Flying Lead Test Connectors c Rotate the assembly 180 degrees and solder the two SMA board mount connector frames together. 4 Check your work: a Ensure that the following four points have continuity between them: The two pins on the left side of the pin strip, and the center conductors of each SMA connector.
  • Page 28 Chapter 3: Testing Logic Analyzer Performance Assemble the SMA/Flying Lead Test Connectors c The finished test connector is shown in the pictures below. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 29: Set Up The Test Equipment

    Chapter 3: Testing Logic Analyzer Performance Set Up the Test Equipment Set Up the Test Equipment This section explains how to set up the test equipment for the minimum master- to-master clock time/minimum eye width test. 1 Turn on the required test equipment. Let all of the test equipment and the logic analyzer warm up for 30 minutes before beginning any test.
  • Page 30 Chapter 3: Testing Logic Analyzer Performance Set Up the Test Equipment 3 Set up the oscilloscope. a Set up the oscilloscope according to the following tables. Oscilloscope Setup Setup: Channel 1 Setup: Ch. 1 Probe Setup: Channel 2 Setup: Ch. 2 Probe Attenuation: 1.00:1 Attenuation: 1.00:1 Scale: 50 mV/div...

  • Page 31: Connect The Test Equipment

    Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment Connect the Test Equipment Connect the 16753/54/55/56A or 16950A Logic Analyzer Pod to the 8133A Pulse Generator 1 Connect a Transition Time Converter (if required—see page 22) to each of the four outputs of the 8133A pulse generator: Channel 1 OUTPUT, Channel 1 OUTPUT, Channel 2 OUTPUT, Channel 2 OUTPUT.
  • Page 32 Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment 5 Connect the E5382A Flying Lead Probe Set’s CLK lead to the pin strip of the SMA/Flying Lead connector at the 8133A pulse generator’s Channel 1 OUTPUT. ground clip Be sure to use the black ground clip (supplied with the E5382A Flying NOTE: Lead Probe Set) and orient the leads so that the black clip is connected to one of the SMA/Flying Lead connector’s ground pins!

  • Page 33: Verify And Adjust The 8133A Pulse Generator Dc Offset

    Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment Connect the 8133A Pulse Generator Output to the 54845A Oscilloscope 9 Attach Male BNC to Female SMA adapters to Channels 1 and 2 on the 54845A oscilloscope. 10 Attach one end of an SMA cable to the Male BNC to Female SMA adapter on Channel 1 of the oscilloscope.

  • Page 34: Deskew The Oscilloscope

    Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment “By” to 1.125 V. 4 Observe the waveforms on the oscilloscope display. If they are not centered within the “Ay” and “By” markers, adjust the 8133A pulse generator’s Channel 1 OFFSET until the waveforms are centered as well as possible.
  • Page 35 Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment section of the front panel. 2 Select Setup from the menu bar at the top of the display. 3 Select Channel 1. 4 Select Probes. 5 Click Skew </> to deskew Channel 1 and Channel 2 signals so that both channels cross the 54845A horizontal center line at the same time, at both ends of the eye (both crossings of the horizontal center line).

  • Page 36: Set The 8133A Pulse Width

    Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment was set to 1 volt in the oscilloscope setup described on page 29. 6 Select Close in the Probe Setup window. 7 Select Close in the Channel Setup window. Set the 8133A pulse width 1 On the 8133A pulse generator, set the Channel 2 pulse width to 1 ns.
  • Page 37 Chapter 3: Testing Logic Analyzer Performance Connect the Test Equipment the 54845A/B oscilloscope to 930 ps. On the oscilloscope move the Ax and Bx markers to the crossing points of NOTE: the pulse and the horizontal center line. Read the pulse width at the bottom of the screen.

  • Page 38: Testing The Module Using A 16900-Series Mainframe

    • interrupt of the boot process with or without error message 4 During initialization, check for any failures. If an error or an interrupt occurs, refer to the Agilent Technologies 16900A-series Logic Analysis System Service Guide for troubleshooting information. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 39: Do A Self-Test On The 16900-Series Logic Analysis System

    Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe Do a self-test on the 16900-series logic analysis system a When the logic analysis system has finished booting, the Waveform window appears. Select Help→Self-Test... from the main menu. The Analysis System Self Tests window will appear.

  • Page 40: Configure The 16900-Series Logic Analysis System

    Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe Configure the 16900-Series Logic Analysis System 1 Exit the logic analysis application (from the main menu, choose File→Exit) and then restart the application. This puts the logic analysis system into its initial state.
  • Page 41 Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe The E5382A probe must be connected to the logic analyzer pod as NOTE: described on page 30. Click here c Set the threshold value for Pod 1 of the 16950A logic analyzer to 1 V. d The activity indicators will now show activity on the channels that are connected to the pulse generator.
  • Page 42 Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe touchscreen and drag across with your finger. e Click (or touch) to select channels 2, 6, 10 and 14 as shown in the picture above. f Drag the scroll bar all the way to the left. g Select the Clock Thresholds button and set the clock threshold to Differential.
  • Page 43 Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe 4 Set the sampling mode. a Select the Sampling tab of the Analyzer Setup window. b Select State Mode. c Set the Trigger Position to 100% Poststore. d Set the Acquisition Depth to 128K.

  • Page 44: Adjust Sampling Positions Using Eye Finder

    Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe h Set the clock mode to Both Edges. Adjust sampling positions using Eye Finder 1 Select the Sample Positions button. The Eye Finder window will appear. 2 In the “Buses/Signals” section of the Eye Finder window, ensure that the check box next to “My Bus 1”...
  • Page 45 Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe 4 Select the plus sign to expand bus “My Bus 1”. Align the blue bars vertically Initially, the blue bars will be vertically aligned. After running Eye Finder, the blue bars will not be vertically aligned because an independent sample position will be determined for each channel.

  • Page 46: To Re-Align A Stray Channel

    Chapter 3: Testing Logic Analyzer Performance Testing the Module Using a 16900-Series Mainframe To re-align a stray channel If the blue bar for a particular bit does not appear in its eye near the recommended starting position, then do the following steps to realign the sampling position of the stray channel.

  • Page 47: Test Pod 1 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode Test Pod 1 in 300 Mb/s Mode The steps that follow include pass/fail criteria. Determine PASS/FAIL (1 of 2 tests) 1 PASS/FAIL: If an eye exists near -2.8 ns for every bit, and Eye Finder places a blue bar in the narrow eye for each bit, then the logic analyzer passes this portion of the test.
  • Page 48 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode 3 Data will appear in the Listing Window upon completion of the run. 4 From the Main Menu choose Markers→New. a You can accept the default name for the new marker. b Change the Position field to Value.

  • Page 49: Determine Pass/Fail (2 Of 2 Tests)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode 9 Select OK to close the New Marker window. Determine PASS/FAIL (2 of 2 tests) Pass/Fail Point: The Listing window is set up to search for the appropriate number of A's and 5's in the acquisition.

  • Page 50: Test The Complement Of The Bits (300 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode As a point of curiosity, you may want to determine the absolute minimum NOTE: pulse width and/or absolute maximum frequency at which data can be acquired. The “Performance Test Record” on page 60 does not include places for recording these values because the Performance Verification procedure only verifies that the logic analyzer meets specifications.
  • Page 51 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode See page 35 for details. 6 Adjust the sampling positions (run Eye Finder). See page 43. 7 Determine pass or fail (1 of 2 tests). See page 46. 8 Switch to the Listing window by selecting the Listing tab at the bottom of the main logic analyzer window.

  • Page 52: Test Pod 2 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 300 Mb/s Mode Test Pod 2 in 300 Mb/s Mode 1 Disconnect the E5382A Flying Lead Probe Set from Pod 1 and connect it to Pod 2 of the logic analyzer. Do not remove the flying leads that are connected to CLK, CLK, and the data channels.

  • Page 53: Test The Complement Of The Bits (Pod 2, 300 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 300 Mb/s Mode 12 Select the OK button to close the “Threshold Settings: Clock for Pod 2” window. 13 Select the OK button to close the “Threshold Settings - Clocks” window. 14 Select the Sampling tab (at the top of the window).

  • Page 54: Test Pods 3 And 4 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pods 3 and 4 in 300 Mb/s Mode Test Pods 3 and 4 in 300 Mb/s Mode 1 Perform the normal and complement tests for each additional pod on the logic analyzer, changing the connection to the pod, channel assignments, thresholds, etc.

  • Page 55: Determine And Set Eye Finder Position (600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 600 Mb/s Mode 16950A→Timing/State (Sampling)... 9 In the State Options section, Sampling Options field, select the “600 MHz” mode. A warning will appear stating that one Pod pair is required for timetag storage.

  • Page 56: Test The Complement Of The Bits (Pod 1, 600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 600 Mb/s Mode page 45. 21 Select OK to close the Eye Finder window. 22 Set the Clk1 mode to “Both Edges.” 23 Open the Eye Finder window, and align the blue bars vertically. See page 24 Grab the blue bar for “My Bus 1”...

  • Page 57: Test Pod 2 In 600 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 600 Mb/s Mode COMP. 2 Note that the signal on the oscilloscope has moved. Change the oscilloscope’s horizontal position to -450 ps (or as required) to center the measured pulse on the oscilloscope display. 3 Verify the DC offset and adjust it if necessary.
  • Page 58 Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 600 Mb/s Mode 8 Deskew the oscilloscope if necessary. See page 33. 9 Readjust the pulse width from the pulse generator as measured on the oscilloscope. See page 35. 10 Unassign all Pod 1 bits. 11 Assign bits 2, 6, 10, and 14 of Pod 2.

  • Page 59: Test The Complement Of The Bits (Pod 2, 600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pods 3 and 4 in 600 Mb/s Mode Test the complement of the bits (Pod 2, 600 Mb/s mode) 1 Test the complement of the bits on Pod 2. You can use the procedure “Test the complement of the bits (300 Mb/s mode)”...

  • Page 60: Conclude The State Mode Tests

    Chapter 3: Testing Logic Analyzer Performance Test Pods 3 and 4 in 600 Mb/s Mode the 600 Mb/s mode because the other clocks are not available in this mode. Upon completion, the logic analyzer is completely tested. 6 Complete the Performance Test Record on page 60. Conclude the State Mode Tests Do the following steps to properly shut down the logic analyzer session after completing the state mode tests.

  • Page 61: Performance Test Record

    Chapter 3: Testing Logic Analyzer Performance Performance Test Record Performance Test Record LOGIC ANALYZER MODEL NO. (circle one): 16753A 16754A 16755A 16756A 16950A Logic Analyzer Serial No. Work Order No. Date: Recommended Test Interval - 2 Year/4000 hours Recommended next testing: TEST EQUIPMENT USED Pulse Generator Model No.

  • Page 62: Testing The Module Using A 16700-Series Mainframe

    • interrupt of the boot process with or without error message 2 During initialization, check for any failures. If an error or an interrupt occurs, refer to the Agilent Technologies 16700B-series Logic Analysis System Service Guide for troubleshooting information. Note that if an...

  • Page 63: Do A Self-Test On The 16700-Series Logic Analysis System

    Self-Test window. Some system CPU board tests may return a status of Untested because they require user action. Procedures to do these tests are found in the Agilent Technologies 16700B-series Logic Analysis System Service Guide. For the purposes of testing the Agilent 16753/54/55/56A module performance, running untested system CPU board tests are not required.

  • Page 64: Configure The 16700-Series Logic Analysis System

    Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe is complete. Configure the 16700-Series Logic Analysis System 1 Configure the Sampling settings. a In the Logic Analysis System window, select the 16753/54/55/56A logic analyzer icon, then select Setup and Trigger. A Setup and Trigger window will appear.
  • Page 65 Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe c Select the Acquisition Depth field, then select 128K. d Select the Trigger Position field, then select Start. e Select the Count field, then select Off. 3 Configure the Format settings. a In the logic analyzer Setup and Trigger window, select the Format tab.
  • Page 66 Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe tested, then select Individual in the pop-up menu. g Using the mouse, un-assign all data channels on all pods. Now assign channels 2, 6, 10, and 14 for the pod being tested. An asterisk (*) means that a channel is assigned.
  • Page 67 Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe 4 Configure the clock and data thresholds. a Select the threshold field for the pod that you are going to test. The Pod threshold window will appear. You must have the E5382A Flying Lead Probe attached to the pod you will be testing so that the pod threshold dialog will appear when you click on the pod threshold field.
  • Page 68 Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe threshold window select Differential. e Select Close to close the J threshold window. Select Close to close the Clock Thresholds window. 5 Configure the Trigger settings. a In the logic analyzer Setup and Trigger window, under the Trigger tab, select the Trigger Functions subtab.

  • Page 69: Adjust Sampling Positions Using Eye Finder

    Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe Adjust sampling positions using Eye Finder 1 In the Setup and Trigger window, select the Sampling tab, then select the “Sampling Positions...” button. The Eye Finder window will appear. 2 From the menu bar in the Eye Finder window, select Results.

  • Page 70: To Re-Align A Stray Channel

    Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe place the blue bars in the narrow eye. To re-align a stray channel If the blue bar for a particular bit does not appear in its eye near the recommended starting position, then do the following steps to realign the sampling position of the stray channel.
  • Page 71 Chapter 3: Testing Logic Analyzer Performance Testing the module using a 16700-series Mainframe 1 Using the mouse, drag the sample position (blue line) of a stray channel (channel Label1 [2] in the above example) so that it is in the same eye as the other channels.

  • Page 72: Test Pod 1 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode Test Pod 1 in 300 Mb/s Mode The steps that follow include pass/fail criteria. Determine PASS/FAIL (1 of 2 tests) 1 PASS/FAIL: If an eye exists near -2.8 ns for every bit, and Eye Finder places a blue bar in the narrow eye for each bit, then the logic analyzer passes this portion of the test.
  • Page 73 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode b In the Listing window, select the Markers tab. c Select the G1: field and the Markers Setup window will appear. d Select the field immediately to the right of G1, and select Pattern. e Select the field immediately to the right of G2, and select Pattern.

  • Page 74: Determine Pass/Fail (2 Of 2 Tests)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode b Click OK to close the error message window. c In the Marker Setup window, select the G1 Define... field. The G1 Marker Pattern window will appear. In the pattern field, enter "a", then select Close.
  • Page 75 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode message is displayed the test passes. If the red error window “Error- Listing <1> Pattern NOT found...” appears during the minute or so that it runs repetitively, then the logic analyzer fails the test.

  • Page 76: Test The Complement Of The Bits (300 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode As a point of curiosity, you may want to determine the absolute minimum NOTE: pulse width and/or absolute maximum frequency at which data can be acquired. The “Performance Test Record” on page 60 does not include places for recording these values because the Performance Verification procedure only verifies that the logic analyzer meets specifications.
  • Page 77 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 300 Mb/s Mode See page 35 for details. 6 Adjust the sampling positions (run Eye Finder). See page 68. 7 Determine pass or fail (1 of 2 tests). See page 71. 8 Ensure that the Listing window is set up.

  • Page 78: Test Pod 2 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 300 Mb/s Mode Test Pod 2 in 300 Mb/s Mode 1 Disconnect the E5382A Flying Lead Probe Set from Pod 1 and connect it to Pod 2 of the logic analyzer. Do not remove the flying leads that are connected to CLK, CLK, and the data channels.

  • Page 79: Test The Complement Of The Bits (Pod 2, 300 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 300 Mb/s Mode threshold window select Differential. a Select Close to close the K threshold window. Select Close to close the Clock Thresholds window. 12 Re-establish the trigger function: a In the logic analyzer’s Setup and Trigger window, select the Trigger tab, and the Trigger Functions subtab.

  • Page 80: Test Pods 3 And 4 In 300 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pods 3 and 4 in 300 Mb/s Mode Test Pods 3 and 4 in 300 Mb/s Mode 1 Perform the normal and complement tests for each additional pod on the logic analyzer, changing the connection to the pod, channel assignments, thresholds, etc.

  • Page 81: Determine And Set Eye Finder Position (600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 600 Mb/s Mode tab. In the “State Mode Controls” section, select the “600 Mb/s / xxM State” mode. (“xxM” indicates the module’s memory depth.) The mode will change to 600 Mb/s and the clock setup will change to J clock, Rising Edge.
  • Page 82 Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 600 Mb/s Mode is -2.9 ns. Note that in this step, you place the blue bars in the narrow window (not the wide window) that appears to the left of zero in the Eye Finder display.

  • Page 83: Test The Complement Of The Bits (Pod 1, 600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 1 in 600 Mb/s Mode position you chose on page 80 should remain open. 22 Perform the procedure “Determine PASS/FAIL (1 of 2 tests)” on page 46. 23 Select the Run Repetitive icon in the Listing window. 24 Perform the procedure “Determine PASS/FAIL (2 of 2 tests)”...

  • Page 84: Test Pod 2 In 600 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 600 Mb/s Mode 9 Perform the procedure “Determine PASS/FAIL (2 of 2 tests)” on page 73 Test Pod 2 in 600 Mb/s Mode 1 Leave the first E5382A Flying Lead Probe Set connected to Pod 1 of the logic analyzer.

  • Page 85: Test The Complement Of The Bits (Pod 2, 600 Mb/S Mode)

    Chapter 3: Testing Logic Analyzer Performance Test Pod 2 in 600 Mb/s Mode Setup area, ensure the J clock is set to “Both Edges”. 14 Under the Format tab, use the scroll bar at the bottom of the window to scroll to the left and select the “Clock thresh...”...

  • Page 86: Test Pods 3 And 4 In 600 Mb/S Mode

    Chapter 3: Testing Logic Analyzer Performance Test Pods 3 and 4 in 600 Mb/s Mode Test Pods 3 and 4 in 600 Mb/s Mode 1 Perform the normal and complement tests for each additional pod on the logic analyzer, changing the connection to the pod, channel assignments, thresholds, etc.

  • Page 87: Performance Test Record

    Chapter 3: Testing Logic Analyzer Performance Performance Test Record Performance Test Record LOGIC ANALYZER MODEL NO. (circle one): 16753A 16754A 16755A 16756A Logic Analyzer Serial No. Work Order No. Date: Recommended Test Interval - 2 Year/4000 hours Recommended next testing: TEST EQUIPMENT USED Pulse Generator Model No.

  • Page 88: Calibrating

    Calibrating This chapter gives you instructions for calibrating the logic analyzer. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 89: Calibration Strategy

    Chapter 4: Calibrating Calibration Strategy The 16753/54/55/56A or 16950A logic analyzer does not require a periodic operational accuracy calibration. To test the module against the module specifications, refer to the “Testing Logic Analyzer Performance” chapter on page 19. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 90: Troubleshooting

    Troubleshooting This chapter helps you troubleshoot the module to find defective assemblies. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 91: To Use The Flowcharts

    The service strategy for this instrument is the replacement of defective assemblies. This module can be returned to Agilent Technologies for all service work, including troubleshooting. Contact your nearest Agilent Technologies Sales Office for more details.
  • Page 92 Chapter 5: Troubleshooting Troubleshooting Flowchart 1 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 93 Chapter 5: Troubleshooting Troubleshooting Flowchart 2 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 94: To Run The Self Tests (16900-Series Mainframe)

    Self Test window. Note that if Test All is selected, system tests requiring user action will not be run. See the “Agilent Technologies 16700B/16702B Logic Analysis System and 16701B Expansion Frame Service Guide” for more information about the mainframe self-tests.

  • Page 95: Self-Test Descriptions

    Chapter 5: Troubleshooting 8 In the Self Test: 16700 System PCI Board window, select Close to close the window. 9 In the Self Test window, select the Master Frame tab. Select the 16753/54/ 55/56A module to be tested, then select Test All to run all the module tests.
  • Page 96 Chapter 5: Troubleshooting EEPROM Test. The purpose of this test is to verify: The address and data paths to the EEPROM That each cell in the EEPROM can be programmed high and low That individual locations can be independently addressed The EEPROM can be block erased ADC Test.
  • Page 97 Chapter 5: Troubleshooting internal to the FPGAs. Chip Registers Read/Write Test. The purpose of this test is to verify that each bit in each register of the Analysis chips can be written with a 1 and 0 and read back again. The test also verifies that a chip reset sets all registers to their reset condition (all 0s for most registers).
  • Page 98 Chapter 5: Troubleshooting configured in bypass mode (PLL is not used), then verifies that the PLL can be enabled and used to generate additional clock frequencies. Inter-chip Resource Bus Test. The purpose of this test is to verify that the Inter-chip Resource lines (ICRs) can be driven as outputs and received as inputs by each chip in the module.

  • Page 99: To Exit The Test System (16900-Series Mainframe)

    Chapter 5: Troubleshooting To exit the test system (16900-series mainframe) 1 Simply close the self-test window. No additional actions are required.all To exit the test system (16700-series mainframe) 1 Select Close to close any module or system test windows. 2 In the Self Test window, select Quit. 3 In the session manager window, select Start Session to launch a new logic analyzer session.

  • Page 100: To Test The Cables (16900-Series Mainframe)

    Chapter 5: Troubleshooting To test the cables (16900-series Mainframe) This test allows you to functionally verify the logic analyzer cable and an Agilent E5379A probe. Equipment Required Equipment Critical Specification Recommended Part Stimulus Board No Substitute 16760-60001 Differential Probe No Substitute E5379A 1 Connect the logic analyzer to the stimulus board.
  • Page 101 Chapter 5: Troubleshooting 2 Set up the stimulus board a Configure the oscillator select switch S1 according to the following settings: • S1 0 (Off) • S2 1 (On) • S3 0 (Off) • Int b Configure the data mode switch S4 according to the following settings: •...
  • Page 102 Chapter 5: Troubleshooting analyzer to be tested should remain enabled. 5 From the Logic Analysis System main menu, select Setup→My 16950A→Timing/State (Sampling)..a Select State Mode. b Clear the Timing Zoom check box to turn Timing Zoom off. c Set the Trigger Position to 100% Poststore. Artisan Technology Group - Quality Instrumentation ...
  • Page 103 Chapter 5: Troubleshooting d Set the Acquisition Depth to 8K. 6 Select the Buses/Signals tab. a Scroll if necessary to view the pod you are testing. b Verify that the pod’s threshold button says “Threshold: Differential (0.00 V)”, as shown above. If it doesn’t, ensure the correct probe (E5379A) is attached to the pod.
  • Page 104 Chapter 5: Troubleshooting below when you scroll down a bit. My Bus 1 Scroll down at least 256 states to verify the data. shows two 8-bit binary counters decrementing by 2. If the listing does not look similar to the figure, then there is a possible problem with the cable or probe.

  • Page 105: To Test The Cables (16700-Series Mainframe)

    Chapter 5: Troubleshooting Return to the troubleshooting flowchart. To test the cables (16700-series Mainframe) This test allows you to functionally verify the logic analyzer cable and an Agilent E5379A probe. Equipment Required Equipment Critical Specification Recommended Part Stimulus Board No Substitute 16760-60001 1 Connect the logic analyzer to the stimulus board.
  • Page 106 Chapter 5: Troubleshooting should illuminate showing that the stimulus board is active. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 107 Chapter 5: Troubleshooting 2 Set up the stimulus board a Configure the oscillator select switch S1 according to the following settings: • S1 0 (Off) • S2 1 (On) • S3 0 (Off) • Int b Configure the data mode switch S4 according to the following settings: •...
  • Page 108 Chapter 5: Troubleshooting field for J-clock is set to Rising Edge. 5 Configure the Trigger settings a In the logic analyzer Setup and Trigger window, select the Trigger tab. b Ensure that the Trigger Functions subtab is selected. c On the Setup and Trigger window menu bar (at the top of the window), select Clear, then select Trigger Sequence.
  • Page 109 Chapter 5: Troubleshooting d Under the Trigger tab, select the Settings subtab. e Select the Acquisition Depth field, then select 8K. f Select the Trigger Position field, then select Start. g Select the Count field, then select Off. 6 Configure the Format tab a In the logic analyzer Setup and Trigger window, select the Format tab.
  • Page 110 Chapter 5: Troubleshooting d Select Close to close the pod assignment window. e Under the Format tab, select the field showing the channel assignment for the pod under test, (you may need to use the scroll bar) then select “****************” to activate all channels. f Select the Apply button at the bottom of the window.
  • Page 111 Chapter 5: Troubleshooting 8 In the Listing window, select Run. The listing should look similar to the figure below when you scroll down a bit. Scroll down at least 256 states to verify the data. Label1 shows two binary counters that decrement by 2. If the listing does not look similar to the figure, then there is a possible problem with the cable or probe.
  • Page 112 Chapter 5: Troubleshooting If the test data is now correct (that is, the error follows the cable) then the cable is suspect. If the test data is still not correct (that is, the error follows the E5379A probe) the probe is suspect. Return to the troubleshooting flowchart.
  • Page 113 Chapter 5: Troubleshooting Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 114: Replacing Assemblies

    Replacing Assemblies This chapter contains the instructions for removing and replacing the logic analyzer module, the circuit board of the module, and the probe cables of the module as well as the instructions for returning assemblies. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 115: Tools Required

    Chapter 6: Replacing Assemblies CAUTION: Turn off the instrument before installing, removing, or replacing a module in the instrument. CAUTION: Electrostatic discharge can damage electronic components. Use grounded wriststraps and mats when performing any service to this module. Tools Required •...

  • Page 116: To Remove The Logic Analyzer Cable

    Chapter 6: Replacing Assemblies To remove the logic analyzer cable 1 Remove power from the instrument a In the session manager, select Shutdown. b At the query, select Power Down. c When the “OK to power down” message appears, turn the instrument off.
  • Page 117 Chapter 6: Replacing Assemblies 3 Remove the logic analyzer cable. a Gently lift the logic analyzer cable end connector from the circuit board connector (J1, J2, J3, or J4). 4 If the logic analyzer cable is faulty, replace the cable and follow the next procedure to install the replacement logic analyzer cable.

  • Page 118: To Install The Logic Analyzer Cable

    Chapter 6: Replacing Assemblies To install the logic analyzer cable 1 Connect the logic analyzer cable to the logic analyzer circuit board. a Insert the logic analyzer cable to the logic analyzer circuit board. b Align the logic analyzer cable end connector with the circuit board cable connector (J1, J2, J3, or J4) and gently apply pressure to seat the logic analyzer cable onto the circuit board connector.
  • Page 119 Chapter 6: Replacing Assemblies b Tighten the cable clamp screws (H5) to 5 in/lb. CAUTION: If you over tighten the screws, the threaded inserts on the rear panel, the threaded inserts on the circuit board, or the cable clamp itself might break. Tighten the screws only enough to hold the cable in place, approximately 5 in/lb.

  • Page 120: To Replace The Circuit Board

    Chapter 6: Replacing Assemblies To replace the circuit board 1 Remove the logic analyzer cables using the “To remove the logic analyzer cable” procedure on page 115. 2 Remove the four screws attaching the ground spring and back panel to the circuit board, then remove the back panel and the ground spring.

  • Page 121: To Return Assemblies

    • Serial number • Description of service required or failure indications 2 Remove accessories from the module. Only return accessories to Agilent Technologies if they are associated with the failure symptoms. 3 Package the module. You can use either the original shipping containers, or order materials from an Agilent Technologies sales office.

  • Page 122: Replaceable Parts

    Replaceable Parts This chapter contains information for identifying and ordering replaceable parts for your module. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 123: Replaceable Parts Ordering

    Chapter 7: Replaceable Parts Replaceable Parts Ordering Parts listed To order a part on the list of replaceable parts, quote the Agilent Technologies part number, indicate the quantity desired, and address the order to the nearest Agilent Technologies Sales Office.

  • Page 124: Replaceable Parts List

    Chapter 7: Replaceable Parts Agilent Technologies Sales Office for information. See Also “To return assemblies” on page 120. Replaceable Parts List The replaceable parts list is organized by reference designation and shows exchange assemblies, electrical assemblies, then other parts. Information included for each part on the list consists of the following: •...
  • Page 125 Chapter 7: Replaceable Parts Replaceable Parts Ref. Des. Agilent Part Number Description Exchange Assemblies 16753-69510 Exchange Acquisition Board Assembly 16754-69510 16755-69510 16756-69510 16950-69510 Replacement Assemblies 16753-66510 Acquisition Board Assembly 16754-66510 16755-66510 16756-66510 16950-66510 16760-60001 Stimulus Board Assembly (for cable test; see page 104 or page 99) 16903-68713 Replacement thumb screws with sleeve,...
  • Page 126 Chapter 7: Replaceable Parts Replaceable Parts Ref. Des. Agilent Part Number Description Accessories for Connectivity to the System Under Test E5379A 100-Pin Differential Probe (for Samtec connector) E5378A 100-Pin Single-Ended Probe (for Samtec connector) E5380A 38-Pin Single-Ended Probe (for MICTOR connector) E5382A Single-Ended Flying Lead Probe...

  • Page 127: Exploded View

    Chapter 7: Replaceable Parts Exploded View Exploded view of the 16753/54/55/56A or 16950A logic analyzer Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 128: Theory Of Operation

    Theory of Operation This chapter presents the theory of operation for the logic analyzer card. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 129: Block-Level Theory

    Chapter 8: Theory of Operation The information in this chapter is to help you understand how the logic analyzer operates. This information is not intended for component-level repair. Block-Level Theory The block diagram of the 16753/54/55/56A or 16950A logic analyzer is shown below.
  • Page 130 Chapter 8: Theory of Operation Probes. The 16753/54/55/56A or 16950A logic analyzer card contains 4 probe pods. Each pod is comprised of two cables and contains 16 differential data channels, a differential clock channel, a user supplied threshold voltage, two serial I2C programming lines for configuring analysis probes, +5 V for powering analysis probes, a probe identification line, and 50 ground signals.
  • Page 131 Chapter 8: Theory of Operation control refresh of the RAM array and can perform a search of stored data. Master/Expander Connectors. Connectors J10 through J15 route state and timing clocks, calibration signals, data search signals, and control from the Master card to all cards in the module.

  • Page 132: Index

    Index specifications storage accessories install system acquisition logic analyzer cable operating assemblies instrument, cleaning the test exchange return mainframe test fans E5379A cables block-level theory operating system equipment module interval clean module inspect cable multi-card module remove install one-card module test remove performance record...
  • Page 133 Index Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 134: Safety Notices

    • Do not install substitute parts or perform any unauthorized modification to the instrument. Agilent Technologies P.O. Box 2197 1900 Garden of the Gods Road Colorado Springs, CO 80901 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 135 Notices Document Warranty WARNING The material contained in A WARNING notice this document is provided © Agilent Technologies, Inc. 2001- denotes a hazard. It calls “as is,” and is subject to 2005 attention to an operating being changed, without procedure, practice, or notice, in future editions.
  • Page 136 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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