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HP 8133A Service Manual

3 ghz pulse generator
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Service Guide
HP 8133A 3 GHz Pulse
Generator
OTS
LIBRARY
H E '
N
.
08133-91021
O
Printed in Germany March
Edition 1.1
1994

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Summary of Contents for HP 8133A

  • Page 1 Service Guide HP 8133A 3 GHz Pulse Generator LIBRARY H E ' 08133-91021 Printed in Germany March 1994 Edition 1.1...
  • Page 2 Safety Symbols Copyright Before turning on the instrument, you Hewlett-Packard GmbH. must connect the protective earth Herrenberger Str. 71034 Instruction Manual symbol: The protective earth conductor of the (mains) Federal Republic of Germany instrument is marked with this symbol must power cord.
  • Page 3 Notice Limitation Warranty Certification Warranty Hewlett-Packard Company This Hewlett-Packard product has The foregoing warranty shall not apply to defects resulting from certifies that this product met its a warranty against defects in published specifications a t the material and workmanship for a improper inadequate time of shipment.
  • Page 4 A guide to removing and replacing the main assemblies of the HP 8133A Pulse Generator. Replaceable Parts Lists of parts that can be replaced in the HP 8133A Pulse Generator. Theory of Operation Functional description of the HP 8133A Pulse Generator PC boards.

  • Page 5: Table Of Contents

    Example Adjusting the Frequency ..Installing the HP 8133A Pulse Generator ....Initial Inspection . . .
  • Page 6 Output Modes ....HP-IB Capabilities ....
  • Page 7 Inter-Channel Delay Performance (Options 002 8 z 003 ..... . only) 3-14 ....Width Performance 3-16 .
  • Page 8 ... HP 8133A Replaceable Parts List ..HP 8133A Option 001 Replaceable Parts List 6-12 ..HP 8133A Option 002 Replaceable Parts List 6-13 .
  • Page 9 ....Device Bus Interface ....HP-IB Interface ....Keyboard Controller .
  • Page 10 Making a.djustments to the A. Component Level Information Package Index Contents-6...
  • Page 11 ..Channel Data Test Set-up 3-26 Functional Block Diagram of the HP 8133A Pulse ... . Generator Power Supplies Block Diagram of the Power Supplies Showing Power .
  • Page 12 ....5-23 securing screws . . . 7- 1 Block Diagram of the HP Pulse Generator Functional Block Diagram of the CPU and the ... Keyboard and Display Board .

  • Page 13: Functional Block Diagram Of The Hp 8133A Pulse Generator Power Supplies

    Functional Block Diagram of the HP 8133A Pulse ... . Generator Power Supplies 7-24 Block Diagram of the Power Supplies Showing Power ....
  • Page 14 ....Line Voltage Ranges ... Line Voltage and Fuse Selection ....Mounting Accessories .
  • Page 15 Introducing the H P 8133A Pulse Generator This chapter contains the following information: A summary HP 8133A Pulse Generator models currently available An overview the front panel Interchannel Timing relationships How to use the Vernier keys Installing the HP 8133A Pulse Generator...

  • Page 16: Frontpanel Overview

    Channel 1 controls and output connectors. Channel controls and output connector. Optional Ch ctors. (Option 002 Use the keys to control the instrument frequency. Use the keys to save and recall instrument settings. 1-2 introducing the HP 8133A Pulse Generator...

  • Page 17: Active Parameter

    Use the Control keys to control the output modes. Parameter Active The active parameter is the parameter which can be adjusted using keys. I t is the bright parameter on the display, and the LED in the parameter key is lit. Mode keys Mode keys toggle between different operating modes.

  • Page 18: Interchannel Timing Relationships

    O u t p u t P U L S E m o d e F i x e d 50% D u t y - c y c l e SQUARE m o d e Figure 1-2. HP 8133A Interchannel Timing Diagram Introducing Generator...

  • Page 19: Summary

    The PERIOD LED switches off and the FREQ LED switches on. The LED in the key remains on, indicating that this is still the active parameter. The display now shows the timebase Frequency: Introducing the HP 8133A Pulse Generator...

  • Page 20: Installing The Hp 8133A Pulse Generator

    Frequency to Use the 1 .OOOO CURSOR FILL Installing the HP 8133A Pulse Generator Initial Inspection Inspect the shipping container for damage. If the container or cushioning material damaged, keep until the contents of the shipment have bleen checked for completeness and the instrument been verified both mechanically and electrically.

  • Page 21: Power Requirements And Line Voltage Selection

    Generator, ensure that the instrument is set to the local line voltage and the correct line fuse is installed in the fuse holder. The HP 8133A Pulse Generator can operate from any single-phase AC power source supplying 100 V, 120 V, 220 V or 240 V in the frequency range from 50 to 60 Hz (see mble 1-1).

  • Page 22: Power Cable

    United States 12OV South Africa 8120-4753 8120-1378 8120-4211 Figure Power Gables Plug Identification 1-4. The following work should be carried out by a qualified electrician - all local electrical codes being strictly observed. If the plug Introducing the HP 8133A Pulse Generator...

  • Page 23: Ventilation Requirements

    Ground connection. Cable clamp. Ventilation Requirements The HP 8133A Pulse Generator is fitted with two cooling fans. Make 3 inches (75 mm) at the rear sure that there is adequate clearance and 1 inch (25 mm) at the sides to ensure adequate airflow. If the airflow is restricted the internal operating temperature will be higher, reducing the instrument's reliability.

  • Page 25: E€P 8133A Pulse Generator Specifications

    8 133A Pulse Generator Specifications Specifications describe the instruments warranted performance after 30 minute warm-up period, with ambient temperature in the range 0 t o 55'C, and 50 load resistance at all outputs. Non-warranted characteristics are described as 'typical' or 'nominal'. All timing parameters are measured at 50% of amplitude.

  • Page 26: External Frequency Counter

    You can set the Trigger Output levels in terms of either load, offset level doubles into open circuits: Voltage Window: -4.00 V to +4.00 V 0.50 Amplitude Range: V to 1.80 V Resolution: Maximum Externarl Voltage: 2-2 HP 8133A Pulse Generator Specifications...

  • Page 27: Hp 8133A

    The output frequency of Option 003 Channel 2 can be divided in both and SQUARe modes: PULSE CHANNEL PULSE mode Frequency: 8, 16, (Minimum: 3 typical) The TRIGGER frequency must also be divided by the same (or higher) divisor HP 8133A Pulse Generator Specifications...

  • Page 28: Pulse/Data Timing

    Timing (Option 002 Channel 2) CHANNEL 2 (OPT 002) DATA mode Propagation Delay: 1 8 . 8 ns typical, Trigger Output to Channel Output, Trigger -2.0 ns typical, Trigger Output to Channel Output, Trigger on Bit 0 Frequency:' Timebase Frequency Timebase Frequency divided by: Signal Format:...

  • Page 29: Output Modes

    Operates according to IEEE 488.1 and 488.2, 1987. Conforms, where appropriate, to the Standard Commands for Programmable Instruments (SCPI) 1991.0. Additional Features Non-volatile Memory Current settings are saved on power-down. Additionally, 20 complete settings can be saved and recalled. HP 8133A Pulse Generator Specifications...

  • Page 30: Rearpanel Connectors

    Channel 1 Input & Output For normal operation the Input and Output have to be connected using the rigid coaxial link supplied. For multi-channel timing applications delay-lines from the HP 15436A multi-channel delay-line set are substituted for the standard links. Output Amplitude:...

  • Page 31: General Iinformation

    1 inch (25 mm) at the sides to ensure adequate airflow. If the airflow is restricted the internal operating temperature will be higher, reducing the instrument's reliability. Acoustic Noise Emission For ambient temperature up the typical operator position: 41 dB Measured in accordance with IS0 6081. HP 8133A Pulse Generator Specifications...

  • Page 32: Recalibration Period

    HP-IB connector was with terminated with the cable HP 10833B. When the product is connected to other devices, the user must ensure that the connecting cables and the other devices are adequately shielded to prevent radiation.

  • Page 33: Testing Tlhe H P 8133A Pulse Generator

    Pulse Generator is working correctly. Before starting any testing: Recall the HP 8133A Pulse Generator Standard Settings from Memory Let the H P 8133A Pulse Generator and all other test equipment warm up for at least 30 minutes. The tests are divided into the following sections: Applies all instruments.

  • Page 34: Tests

    4. External Divider Verification 5. Internal Clock-High Frequency Performance Equipment Low Frequency Counter to 100 MHz (HP 5334B) High Frequency Counter to 3.33 GHz (HP 8133A) Cable (SMA m-m) Adapter (f) to BNC (m)) 3-2 Testing the HP 8133A Pulse Generator...

  • Page 35: Internal Clock Low Frequency Test Set-Up

    Test Record. Divider Verification 7. Disable the Counter's 100 Gate Averages mode. 8. Adjust ithe HP 8133A Pulse Generator under test period until ns (that is, to an accuracy of period is 1 0 . 0 0 ~ ~ decimal places).

  • Page 36: Tests

    Off (Output enab1ed)l HP 8 1 3 3 R ( C l o c k S o u r c e ) HP 8 1 3 3 A u n d e r C o u n t e r...
  • Page 37 15. Check that the measured period on the HP 8133A Pulse Generator under test is 10.00 ns fO.O1 ns, and record the result on the Test Record. External Divider Verification Generator under test through its possible values and verify that the mealsured period on the Counter varies accordingly: External Divider back to 1.

  • Page 38: Internal Clock High Frequency Test Set-Up

    22. Set up the second (Clock Source) HP 8133A Pulse Generator follws: 23. Check that the measured frequency on the HP 8133A Pulse Generator under test is 1.000 GHz hO.001 GHz, and record the result on the Test Record. Internal Clock-High Frequency Perfoirmance Figure 3-4.

  • Page 39: Set.up

    Equipment Oscilloscope (HP 54121T) Cable (SMA m-m) 20 dB; Attenuator (33340C) Transition Time Performance 1. Connect the HP 8133A Puke Generator to the oscilloscope shown in Figure 3-5. Output to the Channel input on the 'scope. Output under test to the Trigger Input on Connect the the 'scope.

  • Page 40: Risetime

    Set the START ON POS EDGE 1 and STOP ON POS EDGE 1 and press the :Precise Edge Find key: Figure 3-6. Risetime 100 ps/div Check that the measured risetime (At) <lo0 ps, and record the measured risetime on the Test Record. HP 8133A Testing the Pulse Generator...

  • Page 41: Dutycyele Verification

    Select the Delta V menu and set the Preset Levels to 0-100%. c. Press Auto Level Set. d. Check. that the Low Level V(l) nominal. e. Check that the High Level V(2) is 1.8 nominal. Testing the HP 813311 Pulse Generator 3.9...

  • Page 42: Outputs

    10 Jitter Performance 1 1 Data Performance Test out as part of Channel 1 tests Equipment Oscilloscope (:HP 54121T) Cable (SMA m-m) 20 dB Att,enuator (33340C) Adapter (SMA m-m) Power Splitter (1 1667B) 3-10 Testing the HP 8133A Pulse Generator...

  • Page 43: Delay Performance

    The Delay F'erformance test applies only to channels. Delay Performance PULSE HP 8 1 3 3 A u n d e r test Figure 3-7. PULSE Channel Delay Test Set-up (Channel 1) 1. Connect the HP 8133A Pulse Generator to the oscilloscope as shown in Figure 3-7.

  • Page 44: Ns/Div, Delay = 25.0000 Ns

    Record the measured At on the Test Record as the Fixed Delay At0 for the Channel under test. 5. Set the HP 8133A Pulse Generator Channel Delay to + 5 ns. 6. On the oscilloscope press and then the Precise Edge Find key.

  • Page 45: Extended Delay Performance

    Subtract the PULSE mode Fixed Delay Atpo from the measured At and record the result on the Test Record as for Channel 1. The result should be -5 ns 3Z0.05 ns. Set the HP 8133A Pulse Generator Channel 1 Delay to + 5 ns. Testing the 3-13...

  • Page 46: Inter-Channel Delay Performance (Options 002 8 Z 003 Only)

    Oscilloscope HP 5 4 1 2 1 T HP 8 1 3 3 R u n j e r t e s t Figure 3-11. Inter-Channel Delay Test Set-up 28. Connect the HP 8133A Pulse Generator to the 'scope as shown in Figure 3-1 1.

  • Page 47: Ns/Div Delay 16.0000 Ns

    31. Record the measured At The result should be 0 ns *0.15 At;,. 32. Set the HP 81338 Pulse Generator Channel 1 Delay to -3 ns. 33. On the oscilloscope press @GXJ&] 34. If necessary, select the Timebase menu and adjust the DELAY to get both pulses on the display.

  • Page 48: Width Performance

    The result should be 5 ns h0.05 ns. Width Performance HP 8 1 3 3 A u n c e r t e s t E x t 2 3 4 T r i c 3 Figure 3-15. PULSE Channel Width Test Set-up 42.
  • Page 49 43. Set up the HP 8133A Pulse Generator as follows: PERIOD 30.000 ns HIGH + 0 . 5 V LOW -0.6 V DIVIDE il DISABLE SQUAR HIGH +0.5 V LOW -0.5 V DELAY 0 SKEW 0 ps enabled) O f f (OUTPUT 44.

  • Page 50: Dutycycle Verification

    (At) on the Test Record as Widthmi,, it should be 150 ps i l 0 0 ps. Dutycycle Verification 51. Set up the IHP 8133A Pulse Generator as follows: 52. On the oscilloscope: a. Press(EITOSCALEI) b. Select the Display menu and set the number of averages to 16.

  • Page 51: Level Performance

    56. Keep the equipment as shown in Figure 3-15, but remove the 20 4 of the oscilloscope. Minimum 57. Set up the HP 8133A Pulse Generator as follows: PERIOD 30.000 ns HIGH + 0 . 5 V -0.5 V DIVIDE +1...

  • Page 52: Level Window Performance

    V f O . l l V and record the measured value on the Test Record for the Channel under test. Level Window Performance 68. Set up the IIP 8133A Pulse Generator as follows: 69. On the oscilloscope: a. Select the Channels menu and set the OFFSET Channel and the VOLTS/DIV to 100 mV/div.

  • Page 53: Overshoot And Ringing Performance

    73. Check the Low-level voltage V(1)is -2.00 V 10.066 V and record the measured value the Test Record for the Channel under test. Overshoot and Ringing Performance 74. Set up the HP 8133A Pulse Generator as follows: DELAY 0 ps SKEW O f f 75. On the oscilloscope:...

  • Page 54: Transition Time Performance

    77. On the oscill.oscope: a. Select the Channels menu and set the Channel 4 Offset to and Sensitivity to 500 mv/div. b. Select the Timebase menu and set the Sweep Time to 5 ns/div. c. Select the Delta V menu and set the Variable Levels to -15% d.

  • Page 55: Risetime 20-80

    Select the Delta t menu and press Precise Edge Find. 86. Check that the measured fall-time 100 ps, and record the (At) measured value on the Test Record for the Channel under test. HP 8133A Pulse 3-23 Testing the Generator...

  • Page 56: Jitter Performance

    Jitter Performance 87. Set up the HP 8133A Pulse Generator as follows: SQUARE PULSE HIGH i l . 5 V HIGH + 1 . 5 V HIGH + 1 . 5 V HIGH + 1 . 5 V LOW - 1 .5 V 88.

  • Page 57: Data Performance

    Trigger Jitter of the oscilloscope. c. Indicate on the Test Record that you have corrected the measured Sigma to the true RMS Jitter value. Data Performance The Data Performance test applies only to Channel 2 (Option 002 HP 8133A Pulse Testing the Generator 3-25...

  • Page 58: Channel Data Test Set-Up

    2 0 d B A t t e n u a t o r s Figure 3-21. Channel Data Test Set-up BIT RZ as follows: 1. Set up the HP 8133A Pulse Generator SQUAR FREQ 3.000 GHz HIGH +0.6 LOW -0.5 V...
  • Page 59 4. Check that the STOP marker is on the rising edge of the last pulse before the 0 in the bitstream (Bit 30), and record the result on the Test Record: ..Bit 30 5. Change Bit 31 of the data to ’1’. Testing the HP 8133A Pulse Generator 3-27...

  • Page 60: Bit Nrz

    Select the Delta t menu and adjust the START ON POS EDGE number until the start marker is on the first positive edge after the gap in the bitstream (Bit 0): Bit 0 3-28 Testing the HP 8133A Pulse Generator...
  • Page 61 Select the Timebase menu and adjust the DELAY until the gap following the stop marker is shown (Bits 29’30’31). 9. On the HP 8133A Pulse Generator under test move the DATA EDIT cursor to Bit 30 and toggle Bit 30 from ’0’ to ’1’: ..
  • Page 62 Page 1 of 5 Test Facility: Report No. Date Customer Tested Model HP 8133A 3 GHz Pulse Generator Serial No. Ambient temperature Relative humidity Options Firmware Rev. Line frequency Special Notes: 3-30 Testing the HP 8133A Pulse Generator...
  • Page 63 Page 2 of 5 Test Equipment Used: Description Model No. Trace No. Due Date HP 54121T 1. Oscilloscope Counter HP 5334B 3. Pulse Generator HP 8133A Testing the Pulse Generator 3-31...
  • Page 64 8133.A Performance Test Record Page 3 of 5 Date No. __ IP 8133A 3 GHz Pulse Generator Tesi Uncertainty Result Spec. Sectior rest Description Frequency neasured at PERIOD 30 30.15 Output Period 29.85 neasured at PERIOD 10 ns 10.05 9.95...
  • Page 65 Page of 5 Date HP 8133A 3 GHz Pulse Generator Uncertainty Channel Channel 1 rest Description output 1.95 10.05 15.05 ns 1.95 ns 10.05 nter-channel Delay (Option 0.15 ns 2.95 ns 3.05 ns 1.95 ns Width 10.1 ns !50 ps Width,,;...
  • Page 66 Corrected true RMS Jitter: Bit 30 PASSIFAIL PASSIFAIL Bit 31 '1' Bit 30 '1' PASSIFAI L An overshoot measurement is only necessary if the PASSIFAIL test fails. Measured using HP 54120 Series oscilloscope. 3-34 Testing the HP 8133A Pulse Generator...

  • Page 67: Troubleshooting

    Troubleshooting This chapter contains the following information: How to u:;e the flow-charts to locate a fault in the HP 8133A Power Supplies The Power Supply flow-charts How to the Self-Test facility Troubleshooting faulty assemblies Troubleshooting the Power Supplies This section contains flowcharts enabling you to locate faults in the Power Supplies down to individual component level.
  • Page 68 Power Supply, and the voltages available: CURRENT VOLTAGE SENSING S I G W Figure 4-1. Functional Mock Diagram of the HP 8133A Pulse Generator Power Supplies POWER CONTROL B O A R D POWER MOTHER BD...

  • Page 69: Unit Not Operating

    Unit not Operating Figure Unit Shows No Signs of Operating Troubleshooting...

  • Page 70: Power Main Board

    Power Main board This board contatins the following Circuits: Power-on Reset And the following regulator drivers: -15V 1.1A The flow-charts on the following pages enable faultfinding down to individual component level. Troubleshooting...

  • Page 71: Power-On Reset Circuit Faulty

    Power-on Reset Circuit Faulty Go to 5.1 V IFlowchaK 0. K. 7 voltages 0. K.7 Change Change faulty Figure 4-4. Power-on Reset Not Working, or Period Too Long or Too Short Troubleshooting...

  • Page 72: Fan Control Circuit Faulty

    Fan Control Circuit Faulty FANS LOW SPEED O R STOPPED senior; Change Measure FLOWCHART Measure GO TO FLOWCHART motherboard poor connections Figure 4-5. Flowchart for Tracing Common Fkults in F b Control Circuit Troubleshooting...
  • Page 73 -20V I I, Figure Troubleshooting...
  • Page 74 or Wrong Voltiage NO OMTBaMD VOLTAGE Figure 4-7. Flowcharts for Tracing Common Fhults in Regulator...

  • Page 75: 1.1A No Output Or Wrong Voltage

    -15V RI 10 Figure Flowcharts for Tracing Common Faults in -15V Regulator Troubleshooting 4-9...

  • Page 76: 2.7A No Output Or Wrong Voltage

    No Output or Wrong Voltage Figure 4-9. Flowcharts for Tracing Common Fhults in...

  • Page 77: 2.5A No Output Or Wrong Voltage

    0107. HP for Figure 4-10. Flowcharts for Tracing Common Faults in -5.1V Regulator Troubleshooting...

  • Page 78: 3.5A No Output Or Wrong Voltage

    No Output or Wrong Voltage Figure 4-11. Flowcharts for Tracing Common Faults in -4.5V Regulator Troubleshooting...

  • Page 79: Power Control Board

    Power Control board This board provides the following Services: Reference voltages -15V 1.1A Regulator Output The flow-charts on the following pages enable faultfinding down to Troubleshooting 4-1 3...

  • Page 80: Reference Voltages Faulty

    Reference Voltages Faulty REFERENCE VOITAGES FAULT\( OR F N U Y Figure Flowchart for Tracing Reference Voltage h u l t s 4-12. 4-14 Troubleshooting...

  • Page 81: 2Ov + / 1.Oa No Output Or Wrong Voltage

    Wrong Voltage Measure v o b at U6B neg In Change U I < to HP for service Figure 4-13. Flowchart for Tracing Common Faults in -2OV Regulator...

  • Page 83: A No Output Or Wrong Voltage

    Wrong Vo'ltage -15V Measure volts at U5B,neg Ill{ component HP for Figure 4-15. Flowchart for Tracing Common b u l t s in -15V Regulator 4-17 Troubleshooting...

  • Page 84: 2.7A No Output Or Wrong Voltage

    No Output or Wrong Voltage Measure volts Measure voh Figure 4-16. Flowchart :for Tracing Common IFdults in Regulator...

  • Page 85: 2.5A No Output Or Wrong Voltage

    No Output or Wrong Voltage Figure 4-17. Flowchart for Tracing Common h u l t s in -5.1V Regulator 4-1 9 Troubleshooting...

  • Page 86: 3.5A No Output Or Wrong Voltage

    No Output or Wrong Voltage at U3A Check component Figure 4-18. Flowchart for Tracing Common Fhults in -4.5V Regulator 4-20 Troubleshooting...

  • Page 87: Understanding The Self-Test Facility

    Understanding the Self-Test Facility The Self-Test function operates when the HP 8133A Pulse Generator is first switched on, providing there are no faults preventing its operation. The self-test messages and their meanings are listed below: Meaning Displayed Text Message Self-test was run successfully and no errors were found...

  • Page 88: Troubleshooting Faulty Assemblies

    Figure 4-20. Setup for Testing the Trigger Output Performing the Test On the H P 8133A Pulse Generator: 1. Set the interrial frequency of the HP 8133A Pulse Generator under test to 500M:Bz 2. Set Trigger Output Hi to 3. Set Trigger Output Lo to -0.5V 4.

  • Page 89: Checking The Channel Link

    Preparing for the Test Locate the tllock holding the input and output channel links on the rear panel of the instrument. There are different configurations for these connections on the various options of the HP 8133A Pulse Generator, follows: Troubleshooting 4-23...

  • Page 90: Testing The Channel Link

    input and output connections depend upon instrument option number standard channel 1 channel link channel block Figure 4-22. Channel Block Link Configurations Identify the link: you want to check, remove it from the block. Alternately loosen each nut on a single link about half a turn at a time.

  • Page 91: Timing Board Output Check

    Timing Board Output Check Detecting a waveform at the output of the Timing Board proves that a signal is available to drive the Width Board. Connecting the Test Equipment TO LEFT HP 54 81 33A UNDER TEST On the Scope: 1. Select 2.

  • Page 92: Option 1 Fitted

    5. Set [ - K ] 6. Select (Delta) 7. Set Precise Edge Find 8. On the HP 8133A Pulse Generator front panel, vary the delay on Channel 1 The displayed waveform should move to the right and left of center, indicating that the delayed output functioning.
  • Page 93 Replace the Channel Link on the rear panel of the instrument, taking care to use i;he correct method as described in Caution above. a faulty board, send the complete If any of the above tests reveal instrument your HP Service Center. 4-27 Troubleshooting...

  • Page 95: Replacing Assemblies

    This chapter will enable you to remove and replace the main assemblies of the HP 8133A 3GHz Pulse Generator. There are two sub-units contained within the instrument’s chassis: 1. The card cage and its assemblies, which produce and control the pulse generator functions.

  • Page 96: Plan View Of Instrument

    cage rear panel cage front panel power supply.. fan and line filter Figure 5-2. Plan view of instrument in standard and all options Figure 5-3. Card cage assembly locations Replacing Assemblies...

  • Page 97: Frontpanel Internal Connections

    Assemblies Indentification lhble Keyboard Motherboard (Cardcage) Microprocessor Board Power Control Board Timing Board Data Board Width Board Motherboard (Power and MPUl Main Power Board timing assembly timing assembly connected to channel channel 1 assembly: width assembly = data assembly width assembly Figure 5-4.

  • Page 98: Removing The Top And Side Panels

    Removing the top and side panels 1. Remove the four plastic feet on the rear of the instrument. rear flange of the top 2. Loosen the screw found in the middle of the rear cover and slide the panel to the to remove it.

  • Page 99: Removing The Card Cage And Its Assemblies

    Removing the card cage and itJs assemblies Removing the card cage cover CARD CAGE COVER RIBBON BACK Figure 5-6. Connector ribbon location 1. Free the connector ribbon, which lays over the rear left corner of the card cage, from its housing on the A3 assembly by opening the clips on each side of the connector housing and easing it free.

  • Page 100: Removing The Frontpanel And A1 Keyboard

    Removing the frontpanel and A1 keyboard Figure 5-7. A1 Keyboard assembly securing screws 1. Remove the top and side trims on the front frame of the chassis in order to access and remove the screws securing the A1 keyboard assembly. 2.

  • Page 101: Removing The Card Cage

    Separating the A1 keyboard assemlbly from the frontpanel b a c k 1. Remove i;he eight screws detailed in Figure 5-8 and separate the assembly components. Removing the card cage chassis wall Figure 5-9. Screws securing card cage to right hand chassis wall the three screws located in the right side of the chassis.
  • Page 102 iift edge of card cage then pull forwards prise apart 0 0 0 Figure 5-10. Remove the card from the chassis cage 2. Place your thumbs on the front top strut of the front frame and your right hand fingers over the front edge of the card cage, lift and pull forwards.

  • Page 103: Removing The Card Cage Fan

    Removing the card cage fan remove t h e s e screws rear panel Figure 5-11. Card cage Uncouple the fan power supply cable at location 521 on the A3 MPU assembly. Remove the four screws which secure the card cage fan to the rear panel.

  • Page 104: Removing The Channel Link Block

    2. Locate the block which holds the input and output channel links, there are different configurations for these connections on the various options of the HP 8133A. These configurations are shown in Figure 5-12: channel...

  • Page 105: Removing The Board Keepers

    5. Remove the flat hexagonal nuts and washers that secure the threaded SMA assembly connectors to the block, see Figure 5-13. Use a 7.91mm socket for this. connector block view hexagonal nuts and washers . _-- ..-- use 7.9mm socket __- - t o remove assembly connector...

  • Page 106: Removing The Channel 2 Assembly. Channel 1 Assembly

    Removing the channel 2 assembly, channel 1 assembly, and timing assembly 1. Refer to Figure 5-3 to identify which assemblies are fitted to your instrument. 2. Turn the card cage its front is facing you. disconnect these two only on each assembly when removing the A6, A7 and A5 assemblies...

  • Page 107: Removing The A2 Motherboard Assembly

    Removing the A2 Motherboard assembly nects t o channel assembly in options c nnects to channel 1 assembly in all instruments Motherboard (cut away) Figure 5-16. A2 motherboard removal 1. The A2 assembly is the motherboard for the card cage assemblies. All of the card cage assemblies must be removed to access the A2 motherboard.

  • Page 108: Replacing The Channel Block

    6. Repeat steps 1 to 4 to replace the channel one and two assemblies. The channel 2 (top) assembly does not have a guide pin. Replacing the channel block 1. Replacing the block is the reverse procedure to removing it, but extra care is needed when replacing the links.

  • Page 109: Replacing The Card Cage Cover. Shield And Panels

    9. Replace and secure the side panels, handle, and top panel. 10. Replace and secure the four plastic feet. Removing the power supply and MPU assemblies This section enable you to remove and replace the HP 8133A will power supply assemblies, and to remove and replace the A3 MPU assembly.

  • Page 110: Removing The Rear Panel

    Removing the rear panel 1. Remove the top and left panels and the shield, not already done, described on page 1-4. 2. Remove the rear panel securing screws and remove the rear panel. remove these screws Power card cage channel connector line input block...

  • Page 111: Removing The Power Supply Cage And Line Switch

    Removing the power supply cage and line switch screws remove these plunger separation ’ line switch ‘window Figure 5-19. Line switch and power supply cage removal 1. Remove the screws detailed in figure 5-18. 2. Remove the line switch by first ensuring that the switch is in the OFF position and then prising the switch shaft free from the switch plunger.

  • Page 112: Removing The A12 Motherboard

    Removing the A12 motherboard connects t o A 3 MPU assembly - - - - - in all instruments connects to A14 main power supply assembly, in all instruments A12 Motherboard (cutaway) position of removable through wall connector Figure Motherboard removal 5-20.

  • Page 113: Disconnecting The A14 Main Power Assembly

    Disconnecting the main power assembly Figure 5-21. J6 and location and removal 1. Make sure that the location of each connector is noted and that each connector is reconnected to the s u m location on reassembly. 2. Uncouple the connections at locations and 57;...

  • Page 114: Disconnecting The Line Filter

    remove these six screws secure the transformer the wiill Figure 5-23. Fhn assembly securing screws A3 side 1. First separate the unit from the transformer housing (A14 assembly uppermost) by removing the two screws at the rear of the transformer housing. Notice that the flange of the fan housing locates under the edge of the transformer housing and must be replaced in this position.
  • Page 115 connects to soldered color line switch housing white white line switch transformer line switch line switch black transformer orange chrome power filter Figure 5-24. Line input filter and transformer connections. These connections must be made to the same locations on reassembly.

  • Page 116: Removing The Transformer Assembly

    remove these bracket screws 000000 Figure 5-25. Line switch plunger unit securing bracket 1. Ensure that all line switch plunger unit connections have been disconnected from the line input filter. must 2. Notice that the black plastic plunger unit be replaced with the same face against the power supply cage wall.

  • Page 117: Removing The A14 Main Power Assembly

    Removing the A14 main power assembly ra n sf o Main Power Assembly locator remove these six screws first then a,b,c,d,e, Figure 5-26. securing screws 1. Free the A 1 4 assembly by removing the screws shown in Figure Figure 5-26 The assembly then lifts out to the left. Reassembly Reassembly of the power supply is the reverse of disassembly.
  • Page 119 Replaceable Parts The following lists detail replaceable parts for the HP 8133A options 001, 002 and 003. Parts Replaceable...

  • Page 120: Fan Ass

    Part Part BD AY KEY STD 28480 38 133-66501 08133-66501 08133-66502 BD A Y MOTHC 28480 08 133-66503 BD A Y UPCR 28480 BD A Y PWR CTL 08 133-66504 28480 08133-66507 BD A Y WIDTH CHAN 28480 081 33-665 14 BD A Y PWR MAIN 28480 08133-66545...
  • Page 121 Parts Standard Replaceable List (continued) Part Description MP25 051 5-133 1 SCR-MTRC SPCLY 01 125 MP26 051 5-133 1 SCR-MTRC SPCLY 01 125 MP27 051 5-1331 SCR-MTRC SPCLY 01125 MP28 0515-1331 SCR-MTRC SPCLY 01 125 MP29 0515-1331 SCR-MTRC SPCLY 01125 MP30 05 15-1331 SCR-MTRC SPCLY...
  • Page 122 MP71 05 15-0898 SCR-MACH M4XO. 7 09908 MP72 05 15-0898 SCR-MACH M4XO. 7 09908 MP73 0515-0898 SCR-MACH M4X0.7 09908 MP74 0515-0898 SCR-MACH M4X0.7 09908 05 15-0898 SCR-MACH M4X0.7 09908 05 15-0898 MP76 SCR-MACH M4XO. 7 09908 MP77 0515-0898 SCR-MACH M4X0.7 09908 MP78 05 15-0898...
  • Page 123 Description Part HP l%rt # 28480 5001-1235 5001 -1235 SPACER 5001-1235 SPACER 28480 5001-1235 5001 - 1235 SPACER 28480 SPACER 28480 5001-1235 SPACER 28480 5001-1235 5001-1235 SPACER 28480 5001-1235 MP 134 SPACER 28480 5001-1235 5001-1235 SPACER 28480 5001-1235 0400-0002 GROM-RND...
  • Page 124 List (continued) Description Part 0515-11 12 SCR-MACH M3X0.5 01125 SCR-MACH M3XO. 5 01 125 0515-1112 SCR-MACH M3XO. 5 01 125 0403-0374 BMPR FT-ADH MTG 28480 0403-0374 BMPR FT-ADH MTG 28480 0403-0374 BMPR FT-ADH MTG 28480 0403-0374 BMPR FT-ADH MTG 28480 3101-2992 SW-PB DPDT NO 0890-0196...
  • Page 125 Standard Replaceable Parts List (continued) Description Man' f Part Part SCR-MACH M3X0.5 09908 0515-0886 SCR-MACH M3X0.5 09908 0515-0886 09908 05 15-0886 SCR-MACH M3X0.5 SCR-MACH M3X0.5 09908 MP2 10 0515-0886 SCR-MACH M3XO. 5 09908 MP211 051 5-0886 0515-0886 SCR-MACH M3X0.5 09908 0515-0886 SCR-MACH M3XO.
  • Page 126 Standard Replaceable Parts List (continued) Description Man’f SCR-MACH 01 125 SCR-M ACH 05 1 1232 01125 SCR-M ACH 01125 05 15- 1232 05 15- 1232 SCR-MACH 01125 SCR-MACH 01125 05 15-1232 SCR-MACH 01 125 SCR-MACH 01125 0515-1232 SCR-MACH 01125 0515-1232 SCR-MACH 01 125 MP25 1...
  • Page 127 Standard Replaceable Parts List (continued) Man' Part A! 04939 2190-0073 LBL-LN E-PTR 12236 MP3 10 9320-5334 28480 38 13 1-041 02 08 13 1-041012 CVR TOP CABINET 28480 38131-04103 08 13 1-04103 COVER TOP 04726 BMPR FT-ADH MTG MP43 1 0403-0285 04726 0403-0285...
  • Page 128 Description Part 0363-0125 RFI STRP-FINGERS 03647 97-555 0363-0125 RFI STRP-FINGERS 03647 97-555 0363-0125 RFI STRP-FINGERS 03647 97-555 0363-0170 RFI STRP-FINGERS 03647 08 133-04107 BOARD-KEEPER 28480 08 133-04107 MP611 08133-04107 BOARD-KEEPER 28480 08 133-04107 08 133-6270 1 FILTER ASSY 34P 28480 08133-62701 1401-0202 CAP-PROT STR...
  • Page 129 Standard Replaceable Parts List (continued) Part# CARD-CAGE 28480 08 133-64501 08133-64501 06137 9211-6119 CTN-CORR RSC PAD-FOAM 12506 PA D-FOAM 12506 PAD-FOAM 12506 9220-45133 PAD-FOAM 12506 HARDWOOD 12256 PAD CORRUGATED 5040-9383 28480 5040-9383 9220-0556 PAD-FOAM 06292 TAPE-INDL 80MM 07036 OPTIMAL S 9223-05 14 ENVELOPE-PKG-LST 9230-0028...

  • Page 130: Hp 8133A Option 001 Replaceable Parts List

    Part # Part Description 08133-66555 1 BD AY TIMBID 001 28480 08133-66555 W118 08133-61618 6 1 CBL AY JUM-OPT 28480 08133-61618 6-12 Replaceable Parts...
  • Page 131 Description BD AY KEY 2CH 28480 08133-66521 08 133-6652 1 BD AY DATA 28480 08133-66506 08133-66535 BD AY TIMBID 002 28480 FRNT PNL #002 28480 08133-40201 1401-0202 CAP-PROT STR 11040 CBL AY STSTP 28480 08133-61603 W103 W106 CBL AY CHA2-FR 28480 08133-61606 CBL A Y CHA2-FRP...

  • Page 132: Hp 8133A Option 003 Replaceable Parts List

    HP 8133A Option 003 Replaceable Parts List CD Qty Description Part # 08133-66521 1 BD AY KEY 2CH 28480 08133-66521 08133-66507 BD AY WIDTH CHAN 28480 08133-66507 08133-66535 BD AY TIMBID 002 28480 08133-66535 08133-40202 PNL FRNT #003 28480 08133-40202...

  • Page 133: Theory Of Operation

    Theory of Operation This chapter contains the following information: Overview of the HP 8133A Pulse Generator Description of each of the blocks that comprise the HP 8133A Pulse Generator: The Microprocessor (CPU) Board The Tinning Board The Width Board The Data Board...

  • Page 134: Microprocessor (Cpu) . A3

    HP-IB interface. Commands are input through the keyboard, and status is viewed on the displays. The blocks comprising the HP 81338 Pulse Generator are described briefly in following paragraphs, and then in greater detail in the next section. The functional blocks in the HP 8133A Pulse Generator have been given identifying numbers.

  • Page 135: Data Board A6 (Optional)

    The Data Board provides switchable inverted and non-inverted outputs. Power Supply Unit A4, A14 The HP 813;3A Pulse Generator power supply is an analog series regulator. Its main features are: Schottky power rectifiers Power MOSFE'IS with low resistance when on.
  • Page 136 Power Control Board This board contains the regulators. The power main board supplies this board with: The control power + U B The voltage and current sensing signals. It is responsible for Generating the required reference voltages and gate control signals. This enables the power main board to carry out voltage regulation (with foldback current limiting) and selection of secondary winding taps.

  • Page 137: Functional Block Diagram Of The Cpu And The Keyboard And Display Board

    KByte on the Microprocessor board include a keyboard/display controller, an HP-IB controller and a gate array which is used as a frequency counter. The device bus is a secondary bus system which controls the hardware on the signal boards.

  • Page 138: Circuit

    8,4 and 2 MHz, which follows: The 8 MHz signal (CLK8,NCLKg) is used to clock the microprocessor the frequency reference for the frequency counter gate array (U37) HP-IB controller (U19) The 2 signal (CLK2) is used to clock the keyboard/display controller (U24)
  • Page 139 Other address decode signals 7-2. signal name derived from LCSEPROML LCSEPROM LCSEPROMU LCSEPROM LCSRAML LCSRAM LCSRAMU LCSRAM LUDWRITE LLDREAD (not RD/WR)+LDS LUDREAD HLDREAD LIACK AS+ (not(FOC.FCl.Fc2)) Device Bus Timing and Wait State Generation The wait state signals and the signals GATE2 and GATE3 are generated by two D-type flip flops (U35) and the 8 bit shift register The outputs of the shift register are also used to generate wait states (to delay the DTACK generation by a number...
  • Page 140 The RAM circuits U10 (data bits DO-D7) and U11 (data bits D8-Dl5) are battery-backed to be non-volatile. When the supply voltage drops below 4.65 the RAM circuits are supplied by a lithium battery, and the CE lines of the RAMs are pulled high. Currently, 32 KByte RAMs are fitted.
  • Page 141 U27, U28 and U33 are used to connect the device data bus to the pP data bus. HP-IB Interface The HP-IB controller provides the HP-IB interface. Interface lines are buffered by two drivers. For a detailed description refer to the TMS 9914 Data Sheet.
  • Page 142 Frequency Counter The gate array FACE is used as the frequency counter. The frequency signal from the timing board is fed directly into the FVFC pin gate array. The reference clock is 8 MHZ. Serial I/O See LAB-10. Reset and Battery Backup The reset generation and battery backup is controlled by the pP control circuit U15.
  • Page 143 table lists and describes the microprocessor signals: following Signal description description signal name the filter network used as supply for all circuits on the board except the RAM ICs Battery buffered supply voltage for the . . . high Microprocessor address bus .
  • Page 144 description (continued) Signal description signal name active Chip select display modules Chip select EPROM LCSEPROM Chip select EPROM low. low signal indicates, LCSEPROML low that the lower EPROM is selected Chip select EPROM high. low signal indicates, LCSEPROMH low that the upper EPROM is selected Chip select frequency counter Chip select...
  • Page 145 Interrupt line from keyboard controller high Device bus request. This signal can be pulled lop LDBDRQ by each of the hardware boards (wire'd OR). It generates a interrupt HP-IB Interrupt line from controller LHPIBIRQ RESET signal for the microprocessor, keyboard RESET MFP.
  • Page 146 Address Map following system: Address Map Description 000000 . . . EPROM 040001 0400031 DDR Data Direction Register 040006 040007 040009 ISRB Interrupt In-Service Register B 04001 [MRA Interrupt Mask Register A 040013 [MRB Interrupt Mask Register B 040016 040017 V R Vector Register 040019 040021...
  • Page 147 Address Map (continued) Address Description Function 080001 Keyboard Data Keyboard 080003 Keyboard Status/Control 080004 not used OBFFFF Int status Address Status Status O C O O O B O C O O O D Command Pass T ~ N O C O O O F Data in Mask 1 Auxiliary Command...
  • Page 148 Address Map (continued) Description 140001 140003 140081 Device 1400133 140101 140103 . . . 140180 180001 180003 Display Display Modules 180200 not used LBFF' F F R A M used LFFFFF 200000 not used (copy of address 0 . . Theory Operation...

  • Page 149: Functional Block Diagram Of The Timing Board

    Figure 7-3. Functional Block Diagram of the Timing Board Theory of Operation 7-17...
  • Page 150 This allows the delay between the channels to be varied by using cables of differing electrical length, thus avoiding the need for additional cable at the HP 81338 Pulse Generator, and preventing the introduction outputs of distortion to the output waveforms.
  • Page 151 By adding the delays, each variable between 0 and 222ps, a total delay of 0 to l l n s is produced. One channel of the HP 8133A Pulse Generator is delayed in this way by f5ns (a total of lOns delay) deskewing the two output channels to compensate for deviation in transmission times of the output boards.

  • Page 152: Functional Block Diagram Of The Width Board

    A frequency counter is incorporated in the H P 8133A Pulse Generator Frequency Counter to provide the Same precision duty cycle, phase and delay for internal and external operating modes. A trigger divider works in the range: 1OMlHz to 3GHz. If the instrument runs without dividing the trigger, the trigger divider is bypassed and the trigger divider is programmed to divide by 64.
  • Page 153 The delayed output signal of the Timing Board (single ended, squarewave) is the input signal to the Width Board. This board generates the variable pulse width and contains the Output Amplifier. Variable Pulse Width Generation The input signal split into two signals. One of these signals delayed by about 4ns with a fixed delay line (semi-rigid cable).

  • Page 154: Functional Block Diagram Of The Data Board And The

    32 static bits are multiplexed to bits. The Data mode has two additional modes: Burst and Single Burst These modes are only available via HP-IB commands. mode: An internal shift register generator provides a four bit data stream which is multiplexed to a 2-23...
  • Page 155 The bitstream trigger signal is also generated in this gatearray. The memory clock (MEMCLK) signal is used for this purpose. A PLL is usled to generate a negative delay to compensate for the long delay throu,gh the data generator and to ensure the right timing with respect to the multiplexer over the whole frequency range.

  • Page 156: Block Diagram Of The Power Supplies Showing Power

    A4, A14 POWER CONTROL CONTROL SIGNALS SENSING SIGNALS MOTHERBOARD Figure 7-6. Functional Block Diagram of the HP Pulse Generator Power Supplies I i D I l H POWER CIRCUIT SUPPLY Figure 7-7. Block Diagram of the Power Supplies Showing Power Connections...

  • Page 157: Power Main Board

    The AC line voltage is applied to the power input module F1 which Power Input consists o f A line filter for filtering RFI from the AC line voltage A line fuse F1 A line voltage selector for 100/120/220/240 VAC operation. The main ordoff switch S1, isolates the input power from the voltage selector.
  • Page 158 No control cu.rrent Control current producing a voltage drop below the gate threshold voltage. The low tapping path acts in a similar manner with the following components: Red 4 and Blue 4 wires of Tl,J7(1,3) c102 R102 The unregulated low tapping path voltage UL+ 15 fed, via J3(6) and X3(6), to the power control board.

  • Page 159: Power Control Board

    At temperatures below the threshold, the output voltage can not fall below (approximately) 13.3V and is determined by the sum of the voltage drop of VR103, U103A pins 1-4, CR125 and U104 pins 1 and 2. If the temperature exceeds the limit condition the output of U103A, pin 1 is decoupled by CR125.
  • Page 160 to damp ripple ,voltages. At high line voltage tolerance only Q1 is on and thus only the low tapping path is activated. Limitation. Feedback signal R + 15 and 15V represent the voltage drop of the output current sensing resistor. it is compared by U1A. It achieves control in a similar manner to voltage regulation, but limits the output current when active.
  • Page 161 All adjustments to the HP software control. The software is not supplied with the instrument. There are no user adjustments. If the HP 8133A Pulse Generator needs recalibration, return the instrument to Hewlett Packard. HP 8133A Making adjustments to the...
  • Page 163 Component Level Information Package The complete Component Level Information Package for the HP 8133A Pulse Generator and its options is not part of this be obtained seperately by ordering HP Part Number 08133-91031.
  • Page 165 HEWLETT' PACKARD Manual for Model Number Manual printed on May 1992 Manual Part Number Make all ERRATA corrections. Check the following table for your instrument serial prefixherial numberEDC and make the listed changes to your manual New Item Serial Prefix or Serial Number Changes ERRATA...
  • Page 166 .MODEL ERRATA O n page 1-5, add Mounting Hardware: 5062-3989 Front Handle Kit Rack Mount Flange L t 5062-3977 Front Handle Flange Kit 5062-3983 Page 2 o f 2 11. April 1996...
  • Page 167 HEWLETT' PACKAR D MANUAL CHANGES September, 1997 Manual printed on March 1994 Edition 1.1 E0394 08 13-91 02 1 Manual Part Number Make all ERRATA corrections. Check the following table for your instrument serial prefixherial numberEDC and make the listed changes to your manual New Item Serial Prefix or...
  • Page 169 Installation Category I1 Pollution Degree 2 Warning: To prevent electrical shock, disconnect the HP model 8133A from mains before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally.
  • Page 171 MODEL 8133A INDEX OF MANUAL CHANGE MANUAL MP62 1 2. September 1997 Page 3 of...
  • Page 173 MODEL 8133A MANUAL CHANGE 1 On Repl.Parts 6-9, Table 6-1 add: 7 12 1 -5584 CE-LABEL On Repl.Parts 6- 10, Table 6- 1 change to read: 1400-0082 CLMP-C 2. September 1997 Page 4 of 4...

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