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Chapter 3: Testing Logic Analyzer Performance

Testing the Module Using a 16900-Series Mainframe

touchscreen and drag across with your finger.

Click (or touch) to select channels 2, 6, 10 and 14 as shown in the
picture above.

Drag the scroll bar all the way to the left.

Select the

Clock Thresholds

button and set the clock threshold to

Differential

. The activity indicator will show activity on clock 1.

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Содержание 16753A

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...ide 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ...el depends upon model or option chosen 600 MHz maximum state acquisition speed 1 2 GHz 128 M deep timing analysis on half channels Eye scan feature 4 GHz timing zoom with 64 k memory depth Expandable to 340 channels Service Strategy The service strategy for this instrument is the replacement of defective assemblies This service guide contains information for finding a defective assembly by testing...

Страница 4: ...led 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 ...

Страница 5: ... on how to verify that the module meets its specifications Chapter 4 Calibrating beginning on page 87 contains calibration instructions for the module if required Chapter 5 Troubleshooting beginning on page 89 contains explanations of self tests and flowcharts for troubleshooting the module Chapter 6 Replacing Assemblies beginning on page 113 explains how to replace the module and assemblies of th...

Страница 6: ... Connect the Test Equipment 30 Verify and adjust the 8133A pulse generator DC offset 32 Deskew the oscilloscope 33 Set the 8133A pulse width 35 Testing the Module Using a 16900 Series Mainframe 37 Do a self test on the 16900 series logic analysis system 38 Configure the 16900 Series Logic Analysis System 39 Adjust sampling positions using Eye Finder 43 To re align a stray channel 45 Test Pod 1 in ...

Страница 7: ...ic Analysis System 63 Adjust sampling positions using Eye Finder 68 To re align a stray channel 69 Test Pod 1 in 300 Mb s Mode 71 Determine PASS FAIL 1 of 2 tests 71 Open and configure the Listing window 71 Determine PASS FAIL 2 of 2 tests 73 Test the complement of the bits 300 Mb s mode 75 Test Pod 2 in 300 Mb s Mode 77 Test the complement of the bits Pod 2 300 Mb s mode 78 Test Pods 3 and 4 in 3...

Страница 8: ...e 98 To test the cables 16900 series Mainframe 99 To test the cables 16700 series Mainframe 104 6 Replacing Assemblies Tools Required 114 To remove the module 114 To remove the logic analyzer cable 115 To install the logic analyzer cable 117 To replace the circuit board 119 To return assemblies 120 7 Replaceable Parts Replaceable Parts Ordering 122 Replaceable Parts List 123 Exploded View 126 8 Th...

Страница 9: ...8 Contents Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 10: ...ormation 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 ...

Страница 11: ...ng 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 If the first six digits of the 16700A 02A serial number located on the back of the instrument are US3849 or higher or the first six d...

Страница 12: ...1 ns Specified at probe tip Eye width as measured by Eye Finder may be less Specifications verified under the following test conditions Parameter 300 Mb s mode 600 Mb s mode Notes Vh 1 125 V 250 mV pp Vl 0 875 V vThreshold 1 V rise fall times 150 180 ps Probe Agilent E5382A tWidth Data Eye vHeight Individual Data Channel vThreshold 0V Sampling Position Eye Finder Blue Bar Artisan Technology Group ...

Страница 13: ...1 M Samples 2 M Samples Memory Depth 16754A 4 M Samples 8 M Samples Memory Depth 16755A 16 M Samples 32 M Samples Memory Depth 16756A 64 M Samples 128 M Samples Memory Depth 16950A Option 256 256 K Samples 512 K Samples Memory Depth 16950A Option 001 1 M Samples 2 M Samples Memory Depth 16950A Option 004 4 M Samples 8 M Samples Memory Depth 16950A Option 016 16 M Samples 32 M Samples Memory Depth ...

Страница 14: ...0 C to 65 C 32 F to 149 F Humidity Instrument probe lead sets and cables up to 80 relative humidity at 40 C 104 F non condensing Altitude To 3000 m 10 000 ft Vibration Operating Random vibration 5 to 500 Hz 10 minutes per axis 0 2 g rms Non operating Random vibration 5 to 500 Hz 10 minutes per axis 2 41 g rms and swept sine resonant search 5 to 500 Hz 0 5 g 0 peak 5 minute resonant dwell at 4 reso...

Страница 15: ...Qty 4 Required if pulse generator s rise time is less than 150 ps Pulse generator conditions Voffset 1V V 250 mV Required for 8133A opt 003 Agilent or HP 15435A P Oscilloscope Bandwidth 1 5 GHz sampling rate 8 GSa s Agilent or HP 54845A or 54845B P SMA Coax Cable Qty 2 18 GHz bandwidth Agilent or HP 8120 4948 P Male BNC to Female SMA Adapters Qty 2 18 GHz bandwidth Cambridge Products CP AD507 see ...

Страница 16: ...15 2 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 ...

Страница 17: ...orage Store or ship the logic analyzer in environments within the following limits Temperature 40 C to 75 C 40 F to 167 F Humidity Up to 90 at 65 C 149 F Altitude Up to 15 300 meters 50 000 feet Protect the module from temperature extremes which cause condensation on the instrument To inspect the module 1 Inspect the shipping container for damage If the shipping container or cushioning material is...

Страница 18: ...ons to find the 16700B Series Logic Analysis Systems Installation Guide To test the module The logic analyzer module does not require an operational accuracy calibration or adjustment After installing the module you can test and use the module If you require a test to verify the specifications see Testing Logic Analyzer Performance on page 19 If you require a test to verify correct module operatio...

Страница 19: ...18 Chapter 2 Preparing for Use Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 20: ...ce 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 ...

Страница 21: ...s for assembling the test connectors Instructions specific to testing the module in a 16900 series mainframe begin on page 37 Instruction specific to testing the module in a 16700 series mainframe begin on page 61 Test Strategy Only specified parameters are tested Specifications are listed on page 11 The test conditions defined in this procedure ensure that the specified parameter is as good as or...

Страница 22: ...or removing and installing the module can be found in the installation guide for the mainframe If you don t have the installation guide for your mainframe you can find the latest version on the Internet at www agilent com For example to find the installation guide for a 16900A mainframe go to www agilent com and enter 16900A installation guide in the quick search box Then scroll down to Manuals Gu...

Страница 23: ... time is less than 150 ps Pulse generator conditions Voffset 1V V 250 mV Required for 8133A opt 003 Agilent or HP 15435A Oscilloscope bandwidth 1 5 GHz sampling rate 8 GSa s Agilent or HP 54845A B or similar SMA Coax Cable Qty 2 18 GHz bandwidth Agilent or HP 8120 4948 Flying Lead Probe Set Qty 2 no substitute Agilent E5382A Male BNC to Female SMA adapters Qty 2 Cambridge Products CP AD507 see www...

Страница 24: ...ak a 2 x 2 section from the pin strip Material Critical Specification Recommended Model Part SMA Board Mount Connector Qty 8 Johnson 142 0701 801 see www johnsoncomponents com Pin Strip Header Qty 1 which will be separated 100 X 100 Pin Strip Header right angle pin length 230 two rows 120 solder tails 3M 2380 5121TN or similar 2 row with 0 1 pin spacing SMA 50 ohm terminators Qty 2 Minimum bandwid...

Страница 25: ...strip inner leads and straighten them so that they touch the outer leads c Trim about 2 5 mm from the outer leads d Using a very small amount of solder tack each inner lead to each outer lead at the point where they are touching solder Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 26: ...he diagram below Use a small amount of solder 3 Attach the second SMA board mount connector a Re heat the solder connection made in the previous step and attach the second SMA connector as shown in the diagram below Note that the second SMA connector is upside down compared to the first Add a little solder to make a good connection b Solder the center conductor of the second SMA connector to the c...

Страница 27: ...ector b Ensure that there is continuity between each of the two pins on the right side of the pin strip and the SMA connector frames c Ensure that there is NO continuity between the SMA connector center conductor and the SMA connector frame ground 5 Finish creating the test connectors a Attach an SMA m m adapter to one end of each of the four SMA Flying Lead test connectors b Attach a 50 ohm termi...

Страница 28: ...ogic 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 ...

Страница 29: ... plus the frequency uncertainty of the pulse generator plus a test margin of 1 For example if you are using an 8133A pulse generator the frequency accuracy is 1 of setting Use a test margin of 1 Set the frequency to 150 MHz plus 2 153 MHz b Set the rest of the pulse generator parameters to the values shown in the following table Pulse Generator Setup Timebase Pulse Channel 2 Trigger Pulse Channel ...

Страница 30: ...n a Input 50 ohm Skew Set later See page 33 Input 50 ohm Skew 0 0 seconds External Offset n a External Offset n a Setup Channel 3 Setup Channel 4 Off Off Setup Horizontal Setup Trigger Setup Acquisition Setup Display Scale 500 ps Mode Edge Sampling Mode Equiv Time Waveforms Connect dots Position 525 ps Source Channel 1 Memory Depth Automatic Persistence Minimum Reference Center Level 1 00 V Averag...

Страница 31: ...nsition Time Converters at the 8133A pulse generator Channel 1 OUTPUT and Channel 1 OUTPUT If Transition Time Converters are not required connect the SMA Flying Lead test connectors directly to the pulse generator outputs 3 Connect the two SMA Flying Lead test connectors without 50 ohm terminators to the Transition Time Converters at the 8133A pulse generator Channel 2 OUTPUT and Channel 2 OUTPUT ...

Страница 32: ... Lead Probe Set s CLK lead to the SMA Flying Lead connector at the 8133A pulse generator s Channel 1 OUTPUT Again be sure to use the black ground clip and orient the leads so that the black clip is connected to ground 7 Connect the E5382A Flying Lead Probe Set s bits 2 and 10 to the SMA Flying Lead test connector s pin strip connector at the 8133A pulse generator s Channel 2 OUTPUT 8 Connect the E...

Страница 33: ...at the Channel 2 OUTPUT of the 8133A pulse generator 12 Attach one end of the other SMA cable to the Male BNC to Female SMA adapter on Channel 2 of the oscilloscope 13 Attach the other end of the SMA cable to the SMA Flying Lead connector at the Channel 2 OUTPUT of the 8133A pulse generator Verify and adjust the 8133A pulse generator DC offset 1 On the 54845A oscilloscope select Measure from the m...

Страница 34: ...ET until the waveforms are centered as well as possible The resolution of the 8133A OFFSET setting is 20 mV Deskew the oscilloscope This procedure neutralizes any skew in the oscilloscope s waveform display 1 On the 54845A oscilloscope change the Horizontal scale from 500 ps div to 200 ps div You can do this using the large knob in the Horizontal setup Artisan Technology Group Quality Instrumentat...

Страница 35: ...t 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 The horizontal center of the graticule line is at 1 volt because the vertical offset Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 36: ...l 2 pulse width of the 8133A pulse generator so that the pulse width measured at 1 volt on the oscilloscope is equal to 1 ns minus the measurement uncertainty and display resolution of the oscilloscope further reduced by 35 ps for test margin If you are using the 54845A B oscilloscope the measurement uncertainty is 0 007 t full scale 2x memory depth 30 ps 30 15 ps Add 5 ps for display resolution A...

Страница 37: ...oscope to 930 ps NOTE On the oscilloscope move the Ax and Bx markers to the crossing points of the pulse and the horizontal center line Read the pulse width at the bottom of the screen It is displayed as Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 38: ...ogic analysis system NOTE Before testing the performance of the module warm up the logic analyzer and the test equipment for 30 minutes a Connect the keyboard and monitor to the rear panel of the logic analysis mainframe 16900A only b Connect the mouse to the rear panel of the mainframe c Plug in the power cord to the power connector on the rear panel of the mainframe d Turn on the main power swit...

Страница 39: ...Select Start This will perform a complete system self test The progress of the self tests is displayed in the Progress Statistics area of the window d When the self tests are complete check the Results window to ensure that the Result Summary says that all tests passed If all tests did not pass refer to Troubleshooting on page 89 e Select the Close button to close the Analysis System Self Tests wi...

Страница 40: ...ic analyzers other than the analyzer under test a Select the Overview tab at the bottom of the main window b Click on each unused logic analyzer and select disable Only the logic analyzer to be tested should remain enabled 3 Set up the bus and signals a From the Logic Analysis System main menu select Setup My 16950A Bus Signal b In the Analyzer Setup window choose the Threshold button for Pod 1 Th...

Страница 41: ...o 1 V d The activity indicators will now show activity on the channels that are connected to the pulse generator Un assign all channels Hint you can do this quickly by clicking on the left most check mark and dragging to the right across all of the other check marks If you have a model 16902 or 16903A logic analysis system mainframe you can touch the Click here Artisan Technology Group Quality Ins...

Страница 42: ...k 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 The activity indicator will show activity on clock 1 1 2 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 43: ...w b Select State Mode c Set the Trigger Position to 100 Poststore d Set the Acquisition Depth to 128K e Clear the Timing Zoom check box to turn Timing Zoom off f Ensure that the sampling speed is set to 300 MHz in the Sampling Options box g Ensure that the Clock Mode is set to Master Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 44: ...itions 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 is checked 3 Drag the blue bar for My Bus 1 to approximately 2 8 ns Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 45: ...g the mouse pointer grab the blue bar for My Bus 1 4 channels and move it to the recommended starting position of 2 8 ns All of the blue bars will follow 7 Select the Run button in the Eye Finder window 8 Ensure that an eye appears for each bit near the recommended starting position Depending on your test setup the eye position may vary Any skew between channel 1 and channel 2 of your pulse genera...

Страница 46: ...ng example shows the analyzer in 600 Mb s mode 1 Using the mouse drag the sample position blue line of a stray channel channel My Bus 1 2 in the above example so that it is in the same eye as the other channels The Suggested Position from Eye Finder green triangle will also move to the new eye 2 Repeat the above step for all remaining stray channels 3 Select the Run button in the Eye Finder window...

Страница 47: ...s for every bit or Eye Finder can not place the blue bar in the narrow eye then the logic analyzer fails the test Record the result in the Eye Finder locates an eye for each bit section of the Performance Test Record page 60 Close the Eye Finder and Analyzer Setup Windows 1 Select OK to close the Eye Finder window 2 Select OK to close the Analyzer Setup window Configure the markers Data must be ac...

Страница 48: ...urs button and create the marker setup shown below 5 In the Value window select the Properties button 6 In the Value Properties window select Stop repetitive run when value is not found 7 Select OK to close the marker Value Properties window 8 Select OK to close the marker Value window The system will search the display for the occurrences specified Click here to add event Click here to select Or ...

Страница 49: ...nd occurrence window appears then the logic analyzer fails the test Check your test setup If the failure is not the result of a problem with the test setup record the failure in the Minimum Master to Master Clock Time Minimum Pulse Width section of the Performance Test Record NOTE Be sure that the black ground clip is making good contact with the ground pin on the test connector 2 After about one ...

Страница 50: ...sage is displayed immediately after making an adjustment to the pulse generator select OK to close the error display window and re run the logic analyzer Test the complement of the bits 300 Mb s mode Now test the logic analyzer using complement data 1 On the 8133A pulse generator in the PULSE setup for CHANNEL 2 select COMP 2 Note that the signal on the oscilloscope has moved Change the oscillosco...

Страница 51: ...r 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 9 Select the Run Repetitive icon 10 Determine pass or fail 2 of 2 tests See page 48 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 52: ...isplay 4 Verify the DC offset and adjust it if necessary See page 32 5 Deskew the oscilloscope if necessary See page 33 6 Readjust the pulse width from the pulse generator as measured on the oscilloscope See page 35 7 From the Logic Analysis System main menu select Setup My 16950A Bus Signal 8 Scroll to the right and unassign all Pod 1 bits 9 Set the Pod 2 threshold to 1 volt just as you did for P...

Страница 53: ...re to expand My Bus 1 and use the recommended starting position noted on page 44 Realign any stray channels if necessary See page 45 17 Determine pass or fail 1 of 2 tests See page 46 18 Select OK to close the Analyzer Setup window 19 Switch to the Listing window by selecting the Listing tab at the bottom of the main logic analyzer window 20 Select the Run Repetitive icon 21 Determine pass or fail...

Страница 54: ...gnal on the oscilloscope has moved Change the oscilloscope s horizontal position to 525 ps or as required to center the measured pulse on the oscilloscope display 4 Set the frequency of the pulse generator The logic analyzer will be tested using a double edge clock The test frequency is half the test clock rate because data is acquired on both the rising edge and the falling edge of the clock Set ...

Страница 55: ...erential a Select OK to close the Clock Thresholds window Determine and set Eye Finder Position 600 Mb s mode 15 Select the Sampling tab 16 Select the Sampling Positions button 17 In the Eye Finder window expand My Bus 1 18 If the blue bars are not vertically aligned align them See page 44 19 Grab the blue bar for My Bus 1 and move it to approximately 2 9 ns All blue bars will follow 20 Run Eye Fi...

Страница 56: ...s in the sampling position you chose on page 54 should remain open When you close the Analyzer Setup window a dialog will appear Answer Yes to erase the data and continue 26 Perform the procedure Determine PASS FAIL 1 of 2 tests on page 46 27 Select the Run Repetitive icon 28 Perform the procedure Determine PASS FAIL 2 of 2 tests on page 48 Test the complement of the bits Pod 1 600 Mb s mode Now t...

Страница 57: ... leads 2 6 10 and 14 from the SMA Flying Lead test connectors Do not remove the flying leads that are connected to CLK and CLK flying leads 2 Connect the second E5382A Flying Lead Probe Set to Pod 2 3 Connect the Pod 2 E5382A Flying Lead Probe Set s bits 6 and 14 to the SMA Flying Lead test connector s pin strip connector at the 8133A pulse generator s Channel 2 OUTPUT 4 Connect the Pod 2 E5382A F...

Страница 58: ...sure that the Pod 1 clock threshold is set to Differential The Pod 2 clock setting doesn t matter a Select OK to close the threshold window s 14 Select the Sampling tab and verify that Clk1 is set to Both Edges 15 Adjust the sampling positions using Eye Finder Be sure to expand My Bus 1 align the blue bars vertically and use the starting position you noted on page 54 Realign any stray channels if ...

Страница 59: ...ods 3 and 4 in 600 Mb s mode 1 Select the Overview tab 2 Select My 16950A Setup PodAssignment 3 Reserve Pods 1 and 2 for timetag storage and assign Pods 3 and 4 to My 16950A The acquired data will be erased 4 Re configure the markers to search for 131071 occurrences instead of 131072 see Configure the markers on page 46 5 Perform the normal and complement tests for each additional pod on the logic...

Страница 60: ...sts Do the following steps to properly shut down the logic analyzer session after completing the state mode tests 1 End the test a From the Main Menu choose File Exit At the dialog Do you want to save the current configuration select No Ending and restarting the logic analysis session will re initialize the system b Disconnect all cables and adapters from the pulse generator and the oscilloscope A...

Страница 61: ...loscope Display Resolution 54845B 5 ps Setting 150 MHz 2 153 MHz 300 MHz 2 306 MHz Pulse Width setting 930 ps PWmax worst case 930 ps 30 ps 5 ps 965 ps TEST RESULTS Logic Analysis System Self Tests Pass Fail Performance Test Minimum Master to Master Clock Time and Minimum Pulse Width 300 Mb s mode 600 Mb s mode Pulse Generator Settings Freq 150 MHz plus test margin Pulse Width 1 ns less test margi...

Страница 62: ...he mouse to the rear panel of the mainframe c Plug in the power cord to the power connector on the rear panel of the mainframe d Turn on the main power switch on the mainframe front panel While the logic analysis system is booting observe the boot dialogue for the following ensure all of the installed memory is recognized any error messages interrupt of the boot process with or without error messa...

Страница 63: ...mance running untested system CPU board tests are not required If these tests are not done the Agilent 16753 54 55 56A performance test is not affected d When the self tests are complete select Quit to exit the test menu e Record a PASS in the Performance Test Record if all module self tests pass 1 Start a session and perform operational accuracy calibration a In the Session Manager window select ...

Страница 64: ...ab select Timing Zoom d Set Timing Zoom to Off e Close the Timing Zoom Controls window f Under the Sampling tab select the State Mode button g Under State Mode Controls ensure that 300 Mb s xxM State mode is selected xxM indicates the module s memory depth h Under Clock Setup at the bottom of the J clock column select the clock edge field and set the J clock to Both Edges 2 Configure the Acquisiti...

Страница 65: ...tup and Trigger window select the Format tab b Under the Format tab select Pod Assignment c In the Pod Assignment window use the mouse to drag the pods from the Analyzer 2 column to the Analyzer 1 column d Select Close to close the Pod Assignment window e Under the Format tab use the scroll bar to scroll to the fields for Pod being tested Pod 1 f Select the field showing the channel assignment for...

Страница 66: ...enu 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 h Select OK to close the channel assignment window channel assignment field scroll bar Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 67: ...ppear when you click on the pod threshold field b In the Pod threshold window select User Defined and set the threshold value to 1 volt The Apply threshold settings to all pods check box doesn t matter c Select Close to close the Pod threshold window d Under the Format tab use the scroll bar at the bottom of the window to scroll to the left and select the Clock thresh button In the Clock Threshold...

Страница 68: ...dow 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 b Click on Find pattern n times c Select Replace d Enter a in the Label 1 field as shown below Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 69: ...utton This will vertically align all of the blue bars 6 Select the Sampling Positions tab in the Eye Finder window 7 Using the mouse pointer grab the blue bar for Label 1 4 channels and move it to the recommended starting position of 2 8 ns All of the blue bars will follow 8 Select Run Eye Finder the large green bar 9 Ensure that an eye appears for each bit near the recommended starting position D...

Страница 70: ...in its eye near the recommended starting position then do the following steps to realign the sampling position of the stray channel In the following example the sampling position of one channel Label1 2 must be realigned with the sampling position of the other channels The following example shows the analyzer in 600 Mb s mode Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC...

Страница 71: ...e other channels The Suggested Position from Eye Finder green triangle will also move to the new eye 2 Repeat the above step for all remaining stray channels 3 Select Run Eye Finder Eye Finder will recalculate the new sample positions based on the sample position changes The following example shows all sampling positions aligned and in the correct eye Artisan Technology Group Quality Instrumentati...

Страница 72: ...test 2 If an eye does not exist near 2 8 ns for every bit or Eye Finder can not place the blue bar in the narrow eye then the logic analyzer fails the test Record the failure in the appropriate place on the Performance Test Record Open and configure the Listing window a In the Setup and Trigger window select Window then select Slot n Analyzer n where n is the slot the module under test is installe...

Страница 73: ...nd G2 and select Delete g Select the field immediately to the right of Data at and select Beginning NOTE Leave the marker Setup window open You will be entering numeric values in the occurs field after acquiring the first run of test data 1 Configure the Markers a In the logic analyzer Listing window select the Run icon This will load the logic analyzer memory with data so the markers can be confi...

Страница 74: ...1 Enter 65535 f In the Marker Setup window select the occurs value field that corresponds to marker G2 Enter 65535 then press Enter g Select Close 2 Select the Run Repetitive icon in the Listing 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 If the logic analyzer does not detect the correct...

Страница 75: ...it runs repetitively then the logic analyzer fails the test Record the failure in the appropriate place on the Performance Test Record NOTE Be sure that the black ground clip is making good contact with the ground pin on the test connector 2 After approximately 1 minute click the red stop button in the Listing window Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www art...

Страница 76: ...se generator select OK to close the window If the message appears again after you have stopped adjusting the pulse generator and allowed a short settling time for the pulse generator then the logic analyzer fails the test Test the complement of the bits 300 Mb s mode Now test the logic analyzer using complement data 1 On the 8133A pulse generator in the PULSE setup for CHANNEL 2 select COMP 2 Note...

Страница 77: ...s 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 See page 71 9 Select the Run Repetitive icon in the Listing window 10 Determine pass or fail 2 of 2 tests See page 73 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 78: ...y See page 33 6 Readjust the pulse width from the pulse generator as measured on the oscilloscope See page 35 7 In the logic analyzer s Setup and Trigger window Format tab scroll to the right and unassign all Pod 1 bits A Warning window will appear stating that the trigger function has become invalid Select OK to close the Warning window 8 Assign bits 2 6 10 and 14 of Pod 2 9 Set the Pod 2 thresho...

Страница 79: ...A in the Label 1 field 13 Adjust the sampling positions using Eye Finder Be sure to expand Label1 4 channels and use the recommended starting position noted on page 68 Realign any stray channels if necessary See page 69 14 Determine pass or fail 1 of 2 tests See page 71 15 Ensure that the Listing window is set up See page 71 16 Select the Run Repetitive icon in the Listing window 17 Determine pass...

Страница 80: ...ignal on the oscilloscope has moved Change the oscilloscope s horizontal position to 525 ps or as required to center the measured pulse on the oscilloscope display 4 Set the frequency of the pulse generator The logic analyzer will be tested using a double edge clock The test frequency is half the test clock rate because data is acquired on both the rising edge and the falling edge of the clock Set...

Страница 81: ...clock threshold is set to Differential a Select Close to close the Clock Thresholds window 13 Re establish the trigger function a In the logic analyzer s Setup and Trigger window select the Trigger tab and the Trigger Functions subtab b Select Find pattern n times and select the Replace button c Enter A in the Label 1 field Determine and set Eye Finder Position 600 Mb s mode 14 In the Eye Finder S...

Страница 82: ...ng stray channels into alignment if necessary See page 69 18 In the Setup and Trigger window Sampling tab Clock Setup area set the J clock mode to Both Edges 19 In the Eye Finder window align the blue bars vertically See page 44 20 Grab the blue bar for Label1 4 Channels and move it to the recommended starting position you noted in the prior step 21 Run Eye Finder again Some eyes may close but the...

Страница 83: ... PULSE setup for CHANNEL 2 select 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 See page 32 4 Deskew the oscilloscope if necessary See page 33 5 Verify that the pulse width is set to 1 ns See page 35 6 Run Eye ...

Страница 84: ...r s pin strip connector at the 8133A pulse generator s Channel 2 OUTPUT 5 On the 8133A pulse generator in the PULSE setup for CHANNEL 2 press the COMP button to return the outputs to normal 6 Note that the signal on the oscilloscope has moved Change the oscilloscope s horizontal position to 525 ps or as required to center the measured pulse on the oscilloscope display 7 Verify the DC offset and ad...

Страница 85: ...rn n times and select the Replace button c Enter A in the Label 1 field 16 Adjust the sampling positions using Eye Finder Be sure to expand Label1 4 channels align the blue bars vertically and use the starting position you noted on page 54 Realign any stray channels if necessary See page 45 17 Determine pass or fail 1 of 2 tests See page 71 18 Ensure that the Listing window is set up See page 71 1...

Страница 86: ...pletion the logic analyzer is completely tested 2 Complete the Performance Test Record on page 86 Conclude the State Mode Tests Do the following steps to properly shut down the logic analyzer session after completing the state mode tests 1 End the test a In the Logic Analysis System window select the X in the upper right corner to close the window At the query select OK Ending and restarting the l...

Страница 87: ...ope Display Resolution 54845B 5 ps Setting 150 MHz 2 153 MHz 300 MHz 2 306 MHz Pulse Width setting 930 ps PWmax worst case 930 ps 30 ps 5 ps 965 ps TEST RESULTS Logic Analysis System Self Tests Pass Fail Performance Test Minimum Master to Master Clock Time and Minimum Pulse Width 300 Mb s mode 600 Mb s mode Pulse Generator Settings Freq 150 MHz plus test margin Pulse Width 1 ns less test margin Fr...

Страница 88: ...87 4 Calibrating This chapter gives you instructions for calibrating the logic analyzer Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 89: ... 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 ...

Страница 90: ...89 5 Troubleshooting This chapter helps you troubleshoot the module to find defective assemblies Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 91: ...ctronic components Use grounded wrist straps and mats when you perform any service to this instrument or to the modules in it To use the flowcharts Flowcharts are the primary tool used to isolate defective assemblies The flowcharts refer to other tests to help isolate the trouble The circled numbers on the charts indicate connections with the other flowchart Start your troubleshooting at the top o...

Страница 92: ...91 Chapter 5 Troubleshooting Troubleshooting Flowchart 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 93: ...92 Chapter 5 Troubleshooting Troubleshooting Flowchart 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 94: ...tem 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 Module self tests are described on page 94 3 In the Self Test window under the System tab select System CPU Board 4 Run the floppy drive test a In the Self Test System CPU Board window select Fl...

Страница 95: ...n communicate with the backplane FPGA The FPGA must be working before any of the other circuits on the board will work The backplane FPGA is used to configure the SDRAM controller FPGAs Also the FPGA generates the board ID code that is returned to identify the module and slot Load Memory FPGA Test The purpose of this test is to verify that the SDRAM controller FPGAs can be loaded with their respec...

Страница 96: ...ry Cell Test The purpose of this test is to fully check all of the SDRAM memory locations in all SDRAM memory devices Memory Unload Modes Test The purpose of this test is to check the various modes of unloading data from the SDRAM memories These modes are setup by writing to registers in the SDRAM controller FPGAs The SDRAM controller FPGAs sequence the data and perform data decoding based on the ...

Страница 97: ...ements are connected in series If any element is faulty then data will not propagate through the comparator If this is the only test failing then it is almost certainly a bad comparator Comparators V Offset Test This test will not be executed if any probes are attached to any of the probe cables This test verifies that the V Offset offset null taps for each data channel of each comparator can be i...

Страница 98: ...cate between modules or within the same module if desired Global and Local Arm Lines The purpose of this test is to verify that the Local Arm signal can be received by each Analysis chip on the master board and the Global Arm signal can be driven by each chip on the master board and received by all chips in the module master and slave LA Chip Calibrations Test The purpose of this test is to verify...

Страница 99: ...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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 100: ...e tested Start with Pod 1 b Connect the E5379A probe to connector Pod 4 on the stimulus board c Connect the stimulus board power supply output to the stimulus board power supply connector J82 d Plug in the stimulus power supply to line power The green LED DS1 should illuminate showing that the stimulus board is active Equipment Critical Specification Recommended Part Stimulus Board No Substitute 1...

Страница 101: ...button 3 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 4 Disable all analyzers except the one being tested This simplifies the instructions and makes module initialization faster a Select the Overview tab at the bottom of the main window b Click on each unused logic analyzer and se...

Страница 102: ...gic 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 Guaranteed 888 88 SOURCE www artisantg com ...

Страница 103: ... when the E5379A probe is attached c Channels 7 through 0 are already assigned by default Assign channels 15 through 8 by clicking and dragging from the channel 15 box to the channel 8 box Your display should look like the picture on the right when you re done d Select OK to close the Analyzer Setup window 7 Switch to the Listing window by selecting the Listing tab at the bottom of the main window...

Страница 104: ...ng step to isolate the failure 9 Verify the failure a Connect the probe to each of the other three logic analyzer cables each in turn b Repeat step 6 through 8 to reconfigure the Format tab in the Setup and Trigger window Deactivate the pod just tested Activate the pod to be tested and assign all channels to My Bus 1 c Select the Run button The expected test data is the same as in step 8 above If ...

Страница 105: ...5379A 100 pin differential probe to the logic analyzer cable also called Pod to be tested b Connect the probe input to the stimulus board connector Pod 4 c Connect the stimulus board power supply output to the stimulus board power supply connector J82 d Plug in the stimulus power supply to line power The green LED DS1 Equipment Critical Specification Recommended Part Stimulus Board No Substitute 1...

Страница 106: ...105 Chapter 5 Troubleshooting should illuminate showing that the stimulus board is active Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 107: ...appears You will use this window later c In the Logic Analysis System window select the module icon again then select Setup and Trigger A Setup and Trigger window appears 4 Set up the Sampling tab a In the logic analyzer Setup and Trigger window ensure that the Sampling tab is selected b Under the Sampling tab select State Mode c In the upper right area of the window select the Timing Zoom button ...

Страница 108: ...igger 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 Ensure that the Trigger Sequence section of the window now shows FIND PATTERN N TIMES next to the 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 109: ...t 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 b Under the Format tab select Pod Assignment c In the Pod Assignment window use the mouse to drag the pod under test to the Analyzer 1 column Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 110: ...yzer threshold setting a Under the Format tab select the CLK Thresh field you may need to use the scroll bar The Clock Thresholds window will appear b Ensure that the threshold field associated with J clock says Differential c If it doesn t ensure the correct probe E5379A is attached to the pod The threshold is set to Differential automatically when the E5379A probe is attached d Select Close to c...

Страница 111: ... neighboring channel channel shorted to either ground or a supply voltage If the test data is not correct then perform the following step to isolate the failure 9 Verify the failure a Reconnect the probe to each of the other three logic analyzer cables each in turn b Repeat step 6 through 8 to reconfigure the Format tab in the Setup and Trigger window Deactivate the pod just tested Activate the po...

Страница 112: ...r 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 113: ...112 Chapter 5 Troubleshooting Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 114: ...s 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 ...

Страница 115: ...he module Instructions for removing or installing the module into the mainframe can be found in the installation guide for the mainframe If you don t have the installation guide for your mainframe you can find the latest version on the Internet at www agilent com For example to find the installation guide for a 16700B mainframe go to www agilent com and enter 16700B installation guide in the quick...

Страница 116: ...er Down c When the OK to power down message appears turn the instrument off d Disconnect the power cord 2 Remove the logic analyzer cable clamp a Remove four screws that secure the logic analyzer cable clamp to the outside rear panel b Remove the cable clamp from the rear panel H4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 117: ...zer 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 118: ...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 c Insert the top and bottom logic analyzer cable clamps into the rear panel 2 Secure the cable clamp to the rear panel a Install the four screws H5 vertically through the cable clamp into both the cable clamp and the circuit board H4 Artisan Technology Group ...

Страница 119: ...hten 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 120: ...the faulty circuit board with a new circuit board On the faulty board make sure the 2x15 30 pin ribbon cable is connected between J15 and J12 4 Position the ground spring and back panel on the back edge of the replacement circuit board Install four screws to connect the back panel and ground spring to the circuit board 5 Install the logic analyzer cables using the procedure To install the logic an...

Страница 121: ...mber 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 CAUTION For protection against electrostatic discharge ESD package the m...

Страница 122: ... 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 ...

Страница 123: ... Transportation costs are prepaid there is a small handling charge for each order and no invoices In order for Agilent Technologies to provide these advantages a check or money order must accompany each order Mail order forms and specific ordering information are available through your local Agilent Technologies Sales Office Addresses and telephone numbers are located in a separate document shippe...

Страница 124: ...al assemblies then other parts Information included for each part on the list consists of the following Reference designator if applicable Agilent Technologies part number Total quantity included with the module Qty Description of the part Reference designators used in the parts list are as follows A Assembly H Hardware J Connector MP Mechanical Part W Cable Artisan Technology Group Quality Instru...

Страница 125: ...e 2 sets H1 16900 68713 2 Replacement thumb screws with sleeve 6 sets H2 16754 29101 1 Ground Spring H3 0515 0375 8 M3 0x0 5 16mm T10 Cable Clamp to Acquisition Board H4 0515 0430 3 MSPH M3 0x0 50 6mm T10 Rear Panel to Acquisition Board 01650 94312 1 Label Probe and Cable on 90 pin connector MP1 16754 44101 1 Rear Panel MP2 16754 41201 2 Logic Analyzer Cable Clamp MP3 16753 94301 16754 94301 16755...

Страница 126: ...Soft Touch Connectorless Probe W11 E5398A Half Size Soft Touch Connectorless Probe 1253 3620 Samtec Connector 16760 02302 Shroud for 0 062 PC Boards 16760 02303 Shroud for 0 120 PC Boards 16760 68702 Shroud Connector Kit for 0 062 PC Boards 16760 68703 Shroud Connector Kit for 0 120 PC Boards 1252 7431 MICTOR Connector E5346 44703 MICTOR Shroud for 0 170 PC Boards E5346 44704 MICTOR Shroud for 0 1...

Страница 127: ...126 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 ...

Страница 128: ...127 8 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 ...

Страница 129: ...lyzer 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 The 16753 54 55 56A or 16950A logic analyzer Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 130: ... the negative side of the differential signal through a precision resistor Alternatively this voltage can be provided to the data channels by a user supplied threshold line in the probe cables There are separate internal DAC driven thresholds for the data and clock in each pod In order to achieve performance an extensive calibration is performed on each comparator when the board is manufactured an...

Страница 131: ...s in the set Mainframe Interface and Control FPGA The Mainframe interface consists of an FPGA and the Mainframe Interface Connector The connector brings power onto the card and provides for control of the card by the analyzer mainframe It also provides a path for unloading acquired data to the analyzer display The FPGA converts bus signals generated by the mainframe processor into control signals ...

Страница 132: ...17 multi card module test 21 O one card module configure 17 test 21 operating environment 16 system 10 90 P parts ordering 122 replaceable 123 performance testing 19 61 performance test record 60 86 power requirements 16 preparing for use 15 probing 129 R remove logic analyzer cable 115 module 114 replace circuit board 119 replaceable parts 121 replacing assemblies 113 return assemblies 120 S self...

Страница 133: ...132 Index Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 134: ...make the instrument inoperative and secure it against any unintended operation Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any service unless qualified to do so Do not attempt internal service or adjustment unless another per son capable of rendering first aid and resuscitation is present Do not install substitute parts or perform any una...

Страница 135: ...ed as is and is subject to being changed without notice in future editions Further to the maximum extent permitted by applica ble law Agilent disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not lim ited to the implied warran ties of merchantability and fitness for a particular pur pose Agilent shall not be liable for ...

Страница 136: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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