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Tabor Electronics 8023 User Manual

50/100 mhz arbitrary waveform/function generator
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User Manual
8023/8024
50/100 MHz
Arbitrary Waveform/Function Generator
Serial Prefix: 82
Tabor Electronics Ltd.
9 Hatasia Street, Tel Hanan, Israel 20302
TEL: (972) 4 821 3393, FAX: (972) 4 821 3388
[www.taborelec.com]
PUBLICATION DATE: July 18, 2001
REVISION: D
Copyright 2001 by Tabor Electronics. All rights reserved. This book or parts thereof may not be reproduced in
any form without written permission of the publisher.

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  • Page 1 TEL: (972) 4 821 3393, FAX: (972) 4 821 3388 [www.taborelec.com] PUBLICATION DATE: July 18, 2001 REVISION: D Copyright 2001 by Tabor Electronics. All rights reserved. This book or parts thereof may not be reproduced in any form without written permission of the publisher.

  • Page 2: Warranty

    Repair necessitated by misuse of the product is not covered by this warranty. No other warranties are expressed or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Tabor Electronics is not liable for consequential damage.
  • Page 3 Tabor Electronics Ltd. REPAIR AND CALIBRATION REQUEST FORM To allow us to better understand your repair requests, we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Tabor Repair Facility.

  • Page 4: Safety Precautions

    Safety Precautions The following safety precautions should be observed before using this product and associated computer. Although some instruments and accessories would normally be used with non-haz- ardous voltages, there are situations where hazardous conditions may be present. This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury.

  • Page 5: Declaration Of Conformity

    P.O. Box 404 Tel Hanan, Israel 20302 declare, that the Arbitrary Waveform/Function Generator Model 8023 and model 8024 meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility and complies with the requirements of the Low Voltage Directive 73/23/EEC. Compliance was demonstrated to...

  • Page 6: Table Of Contents

    Table of Contents General Information 1-1. Introduction ............... . . 1-1 1-2.
  • Page 7 Table of Contents 3-3-3. Cursor Control Buttons ............. . . 3-2 3-3-4.
  • Page 8 Table of Contents 4-3. Command Format ..............4-1 4-4.
  • Page 9 Table of Contents 5-7. Repair and Replacement ............. . 5-2 5-8.
  • Page 10 Table of Contents 7-4-1. Recommended Test Equipment ............7-2 7-4-2.
  • Page 11 Table of Contents List of Tables 1-1. Model 8024 - Specifications ............1-3 3-1.

  • Page 12: General Information

    This manual provides operating and maintenance infor- as test stimuli for different electronic devices. Model mation for the Models 8023 and 8024 - Arbitrary Wave- 8024 is capable of generating arbitrary waveforms with form Generator. Section 1 is a general description of the sampling rates to 100 MHz and with 12 bits of vertical instrument.

  • Page 13: Instrument & Manual Identification

    The serial number of the instrument is located on the specifications are the performance standards or limits rear panel of the instrument. The two most significant against which the instrument is tested. For model 8023, digits identify instrument modifications. If this prefix substitute maximum sampling rate with 50 MHz.Sine-...

  • Page 14: Model 8024 - Specifications

    General Information Table 1-1. Model 8024 - Specifications. OUTPUT CHARACTERISTICS Output: Via front panel OUTPUT BNC terminal. Stand-by: Output Normal or Minimum signal. 50 Ω, ±2%. Impedance: Protection: Protected against continuous short to case ground. Glitch Energy: 1 nV-s at 10 Vp-p Amplitude: 20 mV to 20 Vp-p, into open circuit;...
  • Page 15 General Information Table 1-1. Model 8024 - Specifications (continued). Gated: External signal enables generator. First output cycle synchronous with the active slope of the triggering signal. Last cycle of output waveform always completed. External Burst: Preset number of cycles stimulated by an internal, external, or manual trigger.
  • Page 16 General Information Table 1-1. Model 8024 Specifications (continued). Gaussian Pulse 10 µHz to 1 MHz. Frequency Range: Adjustable Parameters Time Constant: 1000 to 65,535. Exponential Decaying/ Rising Pulse 10 µHz to 1 MHz. Frequency Range: Adjustable Parameters Time Constant: 0 to 20. Range: 1% to 100% of amplitude.
  • Page 17 General Information Table 1-3. Model 8024 - Specifications (continued). Segment Duration: Minimum 100 ns for more than one loop. Sampling Clock Source: Internal synthesizer, external clock, 10 MHz internal reference. Range: Internal: 10 mHz to 100 MHz, External: To 100 MHz. Internal Reference: 10 MHz, fixed internal crystal clock frequency.

  • Page 18: Installation

    Installation 2-1. Introduction Standard Institute (ANSI) states that a shock hazard exists when voltage levels greater than 30V RMS, This section contains information and instructions nec- 42.4V peak, or 60VDC are present. A good safety prac- essary for the installation and shipping of the Arbitrary/ tice is to expect that hazardous voltage is present in Waveform generators - 8024.

  • Page 19: Performance Checks

    Section 5. If there is indication of damage or deficiency, see the warranty in this manual To preserve the safety protection feature when op- and notify Tabor Electronics. erating the instrument from a two-contact outlet, use a three-prong to two-prong adapter and connect the CAUTION green lead on the adapter to an “earth”...

  • Page 20: Rack Mounting

    Installation 2-9. Rack Mounting 2-12. Long Term Storage or Re-Packaging For Shipment The instrument may be rack mounted in a standard 19 inch rack. The instrument may be rack mounted in If the instrument is to be stored for a long period or Rack Mount Kit option -002.
  • Page 21 Installation 1. Before packing the unit, place all accessories 7. Mark container “DELICATE INSTRUMENT”, into a plastic bag and seal the bag. “FRAGILE”, etc. Mark instrument model and serial number and date of packaging. Affix shipping labels 2. For extended storage or long distance shipping as required or mark according to MIL-STD-129.

  • Page 22: Operating Instructions

    Operating Instructions equipment. This aspect of operation is covered in Sec- 3-1. Introduction tion 4. Model 8024 operation is divided into two general cate- 3-2. Front Panel Familiarization gories: basic bench operation, and GPIB operation. Ba- sic bench operation, which is covered in this section, explains how to use the model 8024 for generating the The front panel is generally divided into four sections: required waveform characteristics.

  • Page 23: Buttons

    Operating Instructions PARAMETER - The PARAMETER button when 3-3. Buttons pressed toggles between the FREQ and AMPL menus. All front panel buttons except the POWER switch and Selection and modification of various parameters is the dial are momentary contact switches. Most buttons discussed later in this section.

  • Page 24: Output Control Buttons

    Operating Instructions DIAL LOCK - This button when pressed locks the 3-6. Rear Panel Familiarization dial to prevent accidental data modification. It toggles There are a number of connectors and switches on the between lock and unlock while its associated LED turns rear panel.

  • Page 25: Software Reset

    Operating Instructions 3. The instrument then begins operation by perform- up, the instrument will skip the ing a display and indicator test which takes approxi- power-up procedure and will imme- mately one second. All front panel indicators illumi- diately commence with displaying nate.

  • Page 26: Front Panel Error Indication

    Operating Instructions Table 3-1. Default State After Front Panel Reset. FUNCTION DESCRIPTION DEFAULT STATE FREQ Frequency 100.0KHz AMPL Amplitude 1.00V OFFS Offset +000mV FILTER Analog filter Auto (sine filter) TRIG_COUN Trigger counts (Burst) 00001 INT_PER Internal trigger period 1.00s SOURCE Trigger source External SCLK...

  • Page 27: Selecting And Modifying Parameters

    Operating Instructions dial and cursor control buttons as described in the fol- lowing. press LOCAL to remove from RMT! The right character position on any displayed pa- rameter is always reserved for an indication if there This message indicates that the instrument expects are additional parameters above or below the displayed that the [LOCAL] button be first depressed otherwise parameter.

  • Page 28: Modifying Parameters

    Operating Instructions resents the value for the displayed header. Each header has different limits for its associated data. These limits Output Waveform are given in Table 3-2. Sine The Suffix associates units and multipliers that modify Also note that the sine LED above the OUTPUT con- how the data is interpreted by the device.

  • Page 29: Standard Waveforms And Their Ancillary Functions

    Operating Instructions Table 3-3. Standard Waveforms and Their Ancillary Functions ANCILLARY RANGE & DEFAULT FREQUENCY FUNCTION FUNCTION RESOLUTION VALUE HIGH LIMITS Sine Start Phase 0° to 360° 000° 50 MHz Power 1 to 9 Triangle Start Phase 0° to 360° 000°...

  • Page 30: Arbitrary Memory Management

    Operating Instructions plete length of this memory. The Model 8024 permits You may continue partitioning the memory using the partition of the arbitrary memory to smaller memory same procedure to assign sizes to other segments. You segments. It is possible to divide the memory from 1 may do so by incrementing SEG01.

  • Page 31: Changing Sampling Clock Frequency

    Operating Instructions menu layers down to complete the modifier operation. waveform frequency at the output connector. To pro- The final modification requires that [ENTER] button gram the sampling clock place the Model 8024 in ARB be pressed. waveform mode. Then, press the [PARAMETER] but- ton.

  • Page 32: Generating Sequenced Waveforms

    Operating Instructions Reference Clock Rotate the dial to select between the available clock Figure 3-4. Waveform in Segment 3. options. 3-17. Generating Sequenced Waveforms In general, whenever the SEQ LED above the [WAVE- FORM] button is lit, the model 8024 outputs a sequence of waveforms.

  • Page 33: Disabling The Output

    Operating Instructions press the cursor button to move one menu down and 3-19-1. Triggered Mode observe that the display reads as follows: Model 8024 is set to operate in trigger mode when the TRIG light above the [MODE] button is lit. The STEP01 = SEG01 ∗...

  • Page 34: Manual Trigger

    Operating Instructions When you first select the burst mode, the display 3-19-1-2. Manual Trigger shows the following reading: The [TRIGGER] button simulates an external signal. When the generator is set to trigger on an external BURST 00001 source, each time the [TRIGGER] button is pressed a SOURCE EXT single output waveform is generated.

  • Page 35: Using Front Panel Setups

    Operating Instructions 3-21. Using Front Panel Setups RECALL SETUP n Push ENT to rcl Setting up all parameters in a versatile instrument such as the Model 8024 takes some time. Setup time is longer “n” indicates active storage cell number. Number when a number of tests are performed and more than may range from 0 to 9.

  • Page 36: Remote Interface

    Remote Interface 4-1. Introduction Throughout this manual, the following conventions are used for SCPI command syntax. This section contains programming information for the • Square brackets ( [ ] ) indicates optional keywords Model 8024. Commands to program the instrument over or parameters.

  • Page 37: Command Separators

    Remote Interface FREQuency {<frequency>|MINimum|MAXimum} FREQuency {<frequency>|MINimum|MAXimum} The command syntax shows most commands (and some parameters) as a mixture of upper- and lower-case let- Instead of selecting a specific frequency, you can sub- ters. The upper-case letters indicate the abbreviated stitute MIN to set the frequency to its minimum value spelling for the command.

  • Page 38: Scpi Parameter Types

    Remote Interface command uses an arbitrary block parameter that is 4-9. SCPI Parameter Types loaded as binary data: The SCPI language defines several different data for- TRAC:DATA <binary_block> mats to be used in program messages and response messages. 4-10. Setting the GPIB Address 4-9-1.
  • Page 39 Remote Interface Table 4-1. Model 8024 - SCPI Command Summary. :FORMat :BORDer {NORMal | SWAPped} :OUTPut :FILTer [:LPASs] :FREQuency <filter_frequency> [:STATe] {OFF | ON} [:STATe] {OFF | ON} [:SOURce] :APPLy :SINusoid {[<frequency> [,<amplitude> [,<offset> [,<phase> [,<power>] ]]]]} :TRIangle {[<frequency> [,<amplitude> [,<offset> [,<phase> [,<power>] ]]]]} :SQUare {[<frequency>...
  • Page 40 Remote Interface Table 4-1. SCPI Command Summary (continued). [:SOURce] (continued) :TRANsition [:LEADing] <value> :TRAiling <value> :RAMP :DELay <value> :TRANsition [:LEADing] <value> :TRAiling <value> :SINC :NCYCle <value> :GAUSsian :EXPonent <value> :EXPonential :EXPonent <value> :VOLTage [:AMPLitude] <%_amplitude> [:DEPTh] <value> :INTernal :FREQuency <value> :EXECute :NCYCles <value>...
  • Page 41 Remote Interface Table 4-1. SCPI Command Summary (continued). :TRACe [:DATA] #<binary_block> :DEFine {<segment_number/name>, <length>} :DELete [:NAME] <segment_number> :ALL :SELect <segment_number> :TRIGger :SOURce {EXTernal | INTernal | BUS} :INTernal :RATE <value> :STATe {OFF | ON} :IMMediate Common Commands *CLS Clear status command *ESE Standard event status enable command *OPC...

  • Page 42: Output Configuration Command Summary

    Remote Interface 4-13. Output Configuration Command Summary The Output Configuration Commands control the output function, shape, frequency, amplitude, filter, and state. The commands are presented exactly as they should be typed in your program. Optional nodes were omitted from these commands. Factory defaults after *RST or front panel reset are shown in bold typeface. Parameter low and high limits are given where applicable.

  • Page 43: Standard Waveform Command Summary

    Remote Interface 4-14. Standard Waveform Command Summary The Standard Waveform Commands control the various parameters of the standard output functions. The commands are presented exactly as they should be typed in your program. Optional nodes were omitted from these commands. Factory defaults after *RST or front panel reset are shown in bold typeface.

  • Page 44: Arbitrary Waveform And Sequence Command Summary

    Remote Interface 4-15. Arbitrary Waveform and Sequence Command Summary The Arbitrary Waveform Commands control the segmentation of the arbitrary memory, the waveform shape, and the various bits each memory segment. The sequence commands control the segments which are linked and the number of times each segment is repeated in this loop.

  • Page 45: Trigger Command Summary

    Remote Interface 4-17. Trigger Command Summary The Trigger Commands control the trigger modes that the generator is capable of handling. The commands are presented exactly as they should be typed in your program. Optional nodes were omitted from these commands. Factory defaults after *RST or front panel reset are shown in bold typeface.

  • Page 46: The Scpi Status Registers

    Remote Interface *CLS - Clear the Status Byte summary register and state, you must use the same memory cell location used all event registers. previously to store the state. *SRE <enable_value> - Enables bits in the Status Byte *ESE <enable_value> - Enable bits in the Standard enable register.

  • Page 47: Ieee-488.2 Status Reporting Model

    Remote Interface Figure 4-1. IEEE-488.2 Status Reporting Model 4-12...

  • Page 48: The Status Byte Register (Stb)

    Remote Interface 4-20-1. The Status Byte Register 4-20-1-2. Reading with a Serial Poll (STB) When serial polled, the generator returns the 7-bit status byte plus the single bit RQS message. The status bye The Status Byte summary Register contains conditions and RQS message are returned to the controller as a from the other registers.

  • Page 49: Standard Event Status Register (Esr)

    Remote Interface Bit 3 - Device Dependent Error. This bit is set when The Service Request Enable Register is read with the an error in a device function occurs. For example, the *SRE? common query. The response to this query is following command will cause DDE error: an number that represents the sum of the binary- weighted value of the Service Request Enable Register.

  • Page 50: Error Messages

    Remote Interface -109,"Missing parameter". Fewer parameters were re- *ESE0 - No mask. Clears all bits in the register. ceived for the command. You omitted one or more *ESE1 - ESB on Operation Complete. parameters that are required for the command. *ESE2 - ESB on Request Control.

  • Page 51: Output Configuration Commands

    Remote Interface 4-23. Output Configuration Commands This paragraph describes the low-level commands used to program the generator. Although the APPLy command provides the most straightforward method to program the generator, the low-level commands give you more flexibility to change individual parameters. FUNCtion:MODE {FIXed|USER|SEQuence} Select the output function type.
  • Page 52 Remote Interface FREQuency:RASTer {<frequency>|MINimum|MAXimum} Set the sampling clock frequency for the user and sequenced functions. MIN selects the lowest frequency allowed for the currently active segment or sequence. MAX selects the highest frequency allowed for the currently active segment or sequence. The default sampling clock frequency setting is 100MHz for all functions. Note that the output frequency depends on the number of points specified in the waveform.

  • Page 53: Using The Apply Commands

    Remote Interface OUTPut:[STATe] {OFF|ON} Disable or enable output from the OUTPUT terminal. The default value is ON. When the output signal is disabled, the output level on the OUTPUT terminal is set to the minimum amplitude level (10 mVp-p into 50Ω). OUTPut:[STATe]? Query the state of the OUTPUT terminal.

  • Page 54: Standard Waveform Commands

    Remote Interface Program the generator to output sine(x)/x waveform with frequency, amplitude, offset, and number of cycles parameters. The default setting for this function are: 100 KHz, 5 Vp-p, 0 V, and 10. APPLy:EXPonential [<frequency>[,<amplitude>[,<offset>[,<expo- nent>]]]]} Program the generator to output exponential waveform with frequency, amplitude, offset, and exponent parameters. The default setting for this function are: 100 KHz, 5 Vp-p, 0 V, and 1.00.

  • Page 55: Arbitrary Waveform Commands

    Remote Interface PULSe:DELay? Query pulse delay setting. Returns a value in percent. PULSe:TRANsition <value> Set pulse rise time in percent of pulse period. For example, if your pulse period is 100 ms, 5% rise time equals 5 ms. Pulse rise time is measured between the two turning points of the first transition. PULSe:TRANsition? Query pulse rise time setting.

  • Page 56: High Speed Binary Waveform Transfer

    Remote Interface 4-25-1. High Speed Binary Waveform Transfer The high speed binary transfer allows any 8-bit bytes (including extended ASCII codes) to be transmitted in a message. This command is particularly useful for sending large quantities of data. Model 8024 uses this element to transmit its waveform data to the controller.

  • Page 57: Arbitrary Waveform Sequence Commands

    Remote Interface 4-26. Arbitrary Waveform Sequence Commands The following is an overview of the arbitrary waveform sequence commands, how to define a sequence and how to output a sequence of arbitrary waveforms over the remote interface. SEQuence:DEFine {<step_number>,<segment_number>,<#_repeat>} Define the links between segments and the number of repeats for each segment in a specific sequence. You can program 99 links between 99 waveforms and repeat each of the 99 waveforms 32767 times.

  • Page 58: Gate Modulation Commands

    Remote Interface Set the frequency of the carrier sine waveform. The frequency of the carrier wave is programmed in points. Select from 10 to 64535 points. The default setting for the carrier frequency is 100 points. The frequency of the carrier wave can be computed from the sampling clock frequency divided by the number of points in the active segment.

  • Page 59: Trigger Commands

    Remote Interface BM:SOURce {EXTernal|INTernal|BUS} Select the burst modulation source. When the INT burst source is selected, the other source modes are disabled. The internal rate controls the interval between the bursts. Selecting EXT source disables the internal trigger generator and does not allow bus triggers. The BUS source allows triggering from using GPIB commands only. The default burst modulation source is EXT.

  • Page 60: System-Related Commands

    Remote Interface TRIGger:IMMediate Initiate one trigger cycle immediately after this command. The generator will respond to this command after you select TRIG:SOUR BUS. If you select TRIG:SOUR INT, the generator will ignore this command. *TRG Trigger the generator from the remote interface. This command is equivalent to the TRIG:IMM command. The generator will respond to this command after you select TRIG:SOUR BUS.
  • Page 61 Remote Interface *SAV <memory_cell> 10 memory locations (numbered 0 to 9) are available to store instrument configurations. The state storage feature remembers a complete front panel configuration. To recall a stored state, you must use the same memory location used previously to store the state. Arbitrary waveforms downloaded to the generator are not remembered. The default memory cell location is “0".

  • Page 62: Maintenance And Performance Tests

    Maintenance and Performance Tests 5-1. Introduction 1. Using a flat-blade screwdriver, place the line voltage selection switch in the desired position. The selected This section provides maintenance, service information, voltage is marked on the selection switch. and performance tests for the Model 8024. Fuse replace- 2.

  • Page 63: Disassembly Instructions

    Maintenance And Performance Tests 2. Remove the fuse and replace it with the proper type 5-6. Cleaning using Table 5-1 as a guide. Model 8024 should be cleaned as often as operating CAUTION conditions require. Thoroughly clean the inside and the outside of the instrument.

  • Page 64: Warm-Up Period

    Maintenance And Performance Tests Equipment: Counter 5-8-2. Warm-Up Period 1. Set 8024 as follows: Most equipment is subject to at least a small amount of drift when it is first turned on. To ensure accuracy, turn CONTROL POSITION on the power to the Model 8024 and allow it to warm-up OUTPUT Square for at least 30 minutes before beginning the perform-...

  • Page 65: Dc Characteristics

    Maintenance And Performance Tests OFFS SETTING DMM READING 45.0 mV 41.2 mV to 48.8 mV 1. Set 8024 as follows: CONTROL POSITION 5-9-4. Squarewave Characteristics OUTPUT Sine Specified transition time: 5 ns typical (10% to FREQ 1.000 KHz 90% of amplitude). PARAMETER AMPL Specified aberration: <5% of amplitude.

  • Page 66: Sine Flatness

    Maintenance And Performance Tests FREQ SETTING HARMONICS LEVEL 2. Set external pulse/function generator frequency to 10 5.000 MHz <30 dB KHz and connect its SYNC output to the 8024 TRIG IN 50.00 MHz <30 dB connector. Set oscilloscope and verify on the oscillo- scope that 8024 outputs a triggered signal.

  • Page 67: Arbitrary Memory Check

    Maintenance And Performance Tests 5-9-9-3. Manual Burst 5-9-8-2. Internal Burst 1. Set 8024 as follows: CONTROL POSITION 1. Set 8024 as follows: FREQ 10.00 MHz CONTROL POSITION MODE BURST FREQ 10.00 KHz SOURCE MODE BURST BURST 32767 SOURCE INT PER 10 ms 2.

  • Page 68: Theory Of Operation

    Theory of Operation 6-1 What in This Chapter generates high quality, high accuracy waveforms throughout the specified frequency range, amplitude span, and operating temperature. This chapter contains an overall functional description of the instrument, as well as, detailed theory of opera- The Model 8024 generates standard waveforms at fre- tion of the Model 8024.

  • Page 69: Model 8024 - Block Diagram

    Theory of operation Figure 6-1. Model 8024 - Block Diagram.

  • Page 70: Waveform Memory And D/A Circuits

    Theory of Operation waveform memory. The arbitrary waveform memory The three control bits are used as follows: • is a bank of 12-bit words. Each word represents a point The STP2 bit detects the last point of the waveform on the waveform. Each word has an horizontal address and sets true the preset enable inputs of the address that can range from 0 to 64535 and a vertical address counters.

  • Page 71: Gated Mode

    Theory of operation Upon a trigger event, the trigger circuit generates a short clock generator, External reference input and 10 MHz negative going pulse that resets U64b. The complement crystal oscillator. output of U64b then opens the gate in U69a, allowing Reference frequency for the Model 8024 is internally the sampling clocks to reach the address counter.

  • Page 72: Local Cpu Circuit

    Theory of Operation Figure 6-2. Model 8024 - Sequencer Block Diagram. sequence address counter intact while in repeat mode. under software supervision. This section briefly de- U74a enables the gates U63a and U63b to apply the scribes the operation of the various sections of the mi- clocks to the repeat counter which is made of U82, U83, croprocessor and its associated digital circuitry.

  • Page 73: Display / Keyboard Interface

    Theory of operation the Model 8024 is using memory banks of 32K each. are buffered by Q14 and Q15 and are fed to a gain stage The banks are switched in and out automatically to which is made of Q16 and Q19. The output of this gain address the correct address in the memory.

  • Page 74: Adjustments And Troubleshooting

    Adjustments & Troubleshooting 7-1. INTRODUCTION 7-2-2. Warm-Up Period Most equipment is subject to at least a small amount of This section contains information necessary to adjust drift when it is first turned on. To ensure long-term and troubleshoot the Model 8024 waveform generator. calibration accuracy, turn on the power to the Model 8024 and allow it to warm-up for at least 30 minutes WARNING...

  • Page 75: Adjustment Procedure

    Adjustments and Troubleshooting the sequence indicated because some of the adjustments 2. Connect 8024 output to DMM input through the 50Ω are interrelated and dependent on the proceeding steps. Feedthrough termination. Set DMM to ACV measure- ments and 20 V range. 3.

  • Page 76: Power Supply Checks

    Adjustments and Troubleshooting 7-5. Power Supply Checks Problems in the clock generator for the C.P.U. and the digital circuit may cause a complete malfunction of the entire instrument. The C.P.U. would not even start gen- It is highly suggested that the first step in troubleshoot- erating the control lines.

  • Page 77: Adjustments And Troubleshooting

    Adjustments and Troubleshooting Table 7-3. Clock Synthesizer Checks. Test Point Description Expected Result U98 (3) 100 MHz source 100 MHz ECL level square waveform U101 (5) Divided clock 50 MHz TTL level square waveform U95 (8) Divided clock 25 MHz TTL level square waveform U95 (14) Divided clock 10 MHz TTL level square waveform...

  • Page 78: Output Amplifier Checks

    Adjustments and Troubleshooting with the output amplifier proceed with the checks given Before you start with the following procedure, reset the in Table 7-6. Proceed with Table 7-7 to check the am- 8024 to its factory defaults and change amplitude set- plitude and offset control circuits.
  • Page 79 Adjustments and Troubleshooting This page intentially left blank...

  • Page 80: Parts List

    Part description. This chapter contains information for ordering replace- e) Circuit designation (where applicable) ment parts. the replacement parts are available from Tabor Electronics. 8.3 Parts Description In the following Parts List Tables, unless otherwise 8.2 Ordering Information noted, resistance is given in Ω, capacitance is given in µF, inductance is given in µH, resistors tolerance is 5%,...

  • Page 81: Model 8024 - Cpu Circuit Parts List

    Parts List Table 8-1. Model 8024 - Power Supply Circuit Parts List (continued) Quantity Part Reference Description Part Number R103,R102 0.27/2W 0103-0R27 R104,R105 0100-0330 R118 121, 1% 0104-1210 R116 237, 1% 0104-2370 R101,R100,R111,R112 0100-0102 R117 1.5k, 1% 0104-1501 R115 3.01k, 1% 0104-2011 R106 4.64K, 1%...

  • Page 82: Model 8024 - Arbitrary Circuit Parts List

    Parts List Table 8-3. Model 8024 - Arbitrary Circuit Parts List. Quantity Part Reference Description Part Number BT1,BT2 NI-CAD 1.2V 2600-0010 1500-0183 C87,C83,C90 1500-0330 C104,C106 1500-0470 100p 1500-0101 1500-0102 1500-0103 C47,C22,C30,C45,C48,C54, C55,C56,C59,C60,C61,C62, C63,C64,C65,C68,C69,C70, C72,C73,C74,C75,C76,C77, C78,C79,C80,C81,C82,C85, C86,C88,C89,C93,C94,C95, C96,C99,C100,C101,C102, C104,C105,C107,C108,C109, C110,C112,C118,C119,C123, C124,C126,C128,C130,C133, C134,C135,C136,C137,C138, C139,C140, 100n...
  • Page 83 Parts List Table 8-3. Model 8024 - Arbitrary Circuit Parts List (continued). Quantity Part Reference Description Part Number R77,R130,R142 0100-0561 R44,R47,R86,R87,R88, R98,R144 0100-0102 R135 1.8K 0100-0182 2.2K 0100-0272 R134 2.7K 0100-4021 4.02K,1% 0104-2391 2.49K,1% 0104-2491 5.11K,1% 0104-5111 6.81K,1% 0104-6811 4.99K,1% 0104-4991 R14,R84, R85,R90,R92, R97,R124,...

  • Page 84: Model 8024 - Output Amplifier Circuit Parts List

    Parts List Table 8-3. Model 8024 - Arbitrary Circuit Parts List (continued). Quantity Part Reference Description Part Number U20,U27,U103 CA4094N 0540-0110 CLC404 0560-0030 ULN2004N 0500-1160 U19,U33 LM741N 0500-5631 LM1458N 0500-5650 MAX532LCPE 0560-0087 MC1648P 0540-0150 U37,U38,U112,U114 MC10102P 0500-4094 U39,U42,U46,U115 MC10124P 0500-4086 U68,U94 MC10H125P 0500-4580...

  • Page 85: Model 8024 - Display Circuit Parts List

    Parts List Table 8-4. Model 8024 - Output Amplifier Circuit Parts List. (continued) Quantity Part Reference Description Part Number R60,R61 10,1% 0104-10R0 R39,R43 10,1/2W 0101-0100 0100-0330 0100-0470 R24,R36,R37 49.9 0104-49R9 R59,R71,R73,R75 61.9,1/2W 0104-61R9 82.5 0104-82R5 R52,R53 95.3 0104-95R3 0100-0101 R64,R63 100,1%,1/2W 0101-1011 R13,R18,R70,R74...

  • Page 86: A-1. Front Panel Menus As A Glance

    Menus Summary Appendix A A-1. Front Panel Menus at a Glance Front panel menus are organized in a logical way to make it easy to access and modify parameters. Informa- tion how to access and modify parameters is given in Section 3 of this manual. The following is a summary of all menus that can be accessed from the front panel.

  • Page 87: A-5. Arb Menus

    Menus Summary A-4. STD Menus (continued) Output waveform (option) Options: Sine, Triangle, Square, Pulse, Ramp, Sinc, Gauss, ponent’l, Pulse > DELAY [value] > RISE [value] >> >> HIGH [value] > FALL [value] Ramp > DELAY [value] > RISE [value]> FALL [value] Sine(x)/x >...

  • Page 88: A-7. Cont Menus

    Menus Summary A-7. CONT Menus Continuous Mode A-8. TRIG Menus SOURCE (option) Options: EXT, INT, > [value] A-9. GATED Menus Gated Mode A-10. BURST Menus BURST [value] > SOURCE (option) Options: EXT, > [value] A-11. STORE Menus STORE SETUP [value] >...
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  • Page 90: B-1. Device-Specific Scpi Command Summary

    Non-SCPI Commands Appendix B B-1. Device-Specific SCPI Command Summary The Model 8024 conforms to the 1993 version of the SCPI standard. Some of the commands used are not included in the 1993 version of the SCPI standard. However, these commands are designed with the SCPI standard in mind and they follow all of the command syntax rules defined by the standard.
  • Page 91 Non-SCPI Commands [SOURce:] (continued) TRIangle:PHASe <value> TRIangle:PHASe? TRIangle:POWer <value> TRIangle:POWer? SQUare:DCYCle <value> SQUare:DCYCle? RAMP:DELay <value> RAMP:DELay? RAMP:TRANsition <value> RAMP:TRANsition? RAMP:TRANsition:TRAiling <value> RAMP:TRANsition:TRAiling? SINC:NCYCle <value> SINC:NCYCle? GAUSsian:EXPonent <value> GAUSsian:EXPonent? EXPonential:EXPonent <value> EXPonential:EXPonent? DC <%_amplitude> AM:EXECute BM:NCYCles {<value> | MINimum | MAXimum} BM:NCYCles? BM:INTernal:RATE <value>...
  • Page 92 Short Form (std.) GPIB Command Summary Appendix C C-1. Short-Form (std.) GPIB Commands Summary The Model 8024 can accept two sets of commands: SCPI command set and short-form commands. The SCPI set of commands is the default setting of the generator. The short-form commands set is available for those programmers who do not want to use the lengthy programming code that SCPI requires.

  • Page 93: Sequenced Waveforms

    Short Form (std.) GPIB Command Summary WAVE 6 Gaussian WAVE 7 Exponential WAVE 8 WAVE? OUTPUT FUNCTION SHAPE OUT 0 Standard waveforms OUT 1 Arbitrary waveforms OUT 2 Sequenced waveforms OUT? STAND-BY MODE ST_BY 0 Output On ST_BY 1 Output Off ST_BY? PROGRAM PARAMETERS FREQ...
  • Page 94 Short Form (std.) GPIB Command Summary RESPONSE MESSAGE FORMAT Response header OFF Response header ON New line (LF), END (EOI) terminator New line (LF) terminator END (EOI) terminator COMMON COMMANDS *CLS Clear status command *ESE Standard event status enable command *OPC Operation complete command *RCL...

  • Page 95: Short-Form (Std.) Gpib Command Summary

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  • Page 96 Schematics and Component Location Diagrams Appendix D...

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