Agilent 33120A - Manual

Agilent 33120A

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Table of Contents:

  • Page 3 – IntuiLink Arb Waveform Generation Software; W a r n i n g
  • Page 4 – The Front Panel at a Glance
  • Page 5 – Front-Panel Number Entry; Use the arrow keys to edit individual digits.
  • Page 6 – The Front-Panel Menu at a Glance; he menu is organized in a top-down tree structure with three levels.
  • Page 7 – Display Annunciators; To review the display annunciators, hold down the; key as you
  • Page 8 – The Rear Panel at a Glance
  • Page 9 – In This Book; in the United States, or contact your nearest
  • Page 11 – Contents; Chapter 1 Specifications
  • Page 12 – Conte
  • Page 13 – Chapter 6 Service; Replaceable Parts 113; Chapter 8 Schematics
  • Page 15 – Specifications
  • Page 17 – FREQUENCY SWEEP
  • Page 18 – GENERAL SPECIFICATIONS
  • Page 19 – PRODUCT DIMENSIONS; TOP
  • Page 21 – Quick Start
  • Page 22 – shifted; AM
  • Page 23 – Check the list of supplied items.; GPIB; Perform a; complete; To prepare the function generator for use
  • Page 24 – Verify that there is ac power to the function generator.; See the next page if you need to change the line-voltage setting.; Verify that the power-line fuse is good.; Chapter 2 Quick Start; If the function generator does not turn on
  • Page 25 – Remove the power cord
  • Page 26 – To adjust the position, grasp the handle by the sides and; To adjust the carrying handle
  • Page 27 – The following steps show you how to change the frequency to 1.2 MHz.; Enable the; frequency modify; Enter the magnitude of the desired frequency.; Notice that the; ENTER NUM; ” flashes on; Shift Cancel; Set the units to the desired value.; To turn off the flashing digit,; You can also use the knob and arrow keys to enter a number.; To set the output frequency
  • Page 28 – amplitude modify; Enter the magnitude of the desired amplitude.; To set the output amplitude
  • Page 29 – The following steps show you; Enter the magnitude of the desired offset.; Num; To cancel the number mode, press; Offset; To set a dc offset voltage
  • Page 30 – Applies only to square waves.; Select the square wave function.; Enable the; duty cycle modify; Enter the desired duty cycle.; Output the waveform with the displayed duty cycle.; To set the duty cycle
  • Page 31 – The following steps show you how to output an “exponential rise”; Display the list of arbitrary waveforms.; SINC; Move across to the; Select and output the displayed arbitrary waveform.; Arb; press this key, the selected arbitrary waveform is output.; To output a stored arbitrary waveform
  • Page 32 – Press the key and; hold it down for more than 2 seconds; DCV; Enter the magnitude of the desired voltage.; To output a dc voltage
  • Page 33 – The following steps show; Set up the function generator to the desired configuration.; Turn on the state storage mode.; memory and is remembered when power has been off.; Store the instrument state in memory location “2”.; Use the up and down arrow keys to select the memory location.; Shift Store; again or let the display; Save the instrument state.; To store the instrument state
  • Page 34 – Recall the stored instrument state.; RECALL; Recall; Restore the instrument state.
  • Page 35 – System II; Front Rear (bottom view); To remove the rubber bumper, stretch a corner and then slide it off.; To rack mount the function generator
  • Page 38 – Front-Panel Menu Operation; does not
  • Page 39 – Chapter 3 Front-Panel Menu Operation; Front-panel menu reference
  • Page 41 – Menus; A front-panel menu tutorial
  • Page 42 – Messages Displayed During Menu Use; To move across the choices on
  • Page 43 – Menu Example 1; In this example, you will restore the function generator to the; SYS MENU; COMMANDS; OUT TERM; POWER ON; SYS MENU
  • Page 44 – Move down a level to the “; PARAMETER; ” for the; command; DEFAULT; ” is the factory setting and is stored in non-volatile memory).; Move across to the; “LAST STATE”; LAST STATE; Save the change and turn off the menu.; ENTERED; Cycle the power to restore the default values.
  • Page 45 – Menu Example 2; For this example, you will change the output amplitude.; Select amplitude adjustment; The function generator displays the current output amplitude.; Move the flashing cursor over to edit the first digit.; The cursor movement wraps around.; Increment the first digit until 300.0 mVPP is displayed.
  • Page 46 – OUTPUT; you; Move across to the SYS MENU choice on this level.; Move down a level and then across to the; HIGH Z; HIGH Z; Save the change and turn off the menu.; To select the output termination
  • Page 47 – Select the function, frequency, and amplitude of the carrier.; Use the menu to select the shape of the modulating waveform.; To output a modulated waveform
  • Page 48 – Move down a level verify that “; SINE; Set the modulating frequency to 200 Hz.; percent modulation
  • Page 49 – Move across to the CAL MENU choice on this level.; CAL MENU; Move down a level to the; SECURED; To unsecure the function generator for calibration
  • Page 50 – memory and
  • Page 52 – Calibration Procedures; AC Amplitude Adjustment (50
  • Page 53 – Chapter 4 Calibration Procedures; Agilent Calibration Services
  • Page 54 – Automating Calibration Procedures
  • Page 55 – Make sure ambient relative humidity is less than 80%.; Test Considerations
  • Page 56 – Quick Verification; not; hold down the key for; TEST; see chapter 3 in the Agilent 33120A User’s Guide; PASS; Performance Verification Tests
  • Page 57 – Quick Performance Check; in the performance
  • Page 58 – output termination test.; Function Gain and Linearity Verification; Frequency Verification
  • Page 59 – This test verifies the DC offset and DC output specifications.; AC Amplitude Verification; Make sure you have; DC Function Offset Verification
  • Page 62 – feed through load), perform this procedure as; Amplitude Flatness Verification
  • Page 63 – This test verifies the modulation depth specification.; AM Modulation Depth Verification
  • Page 64 – These tests are; Square Wave Duty Cycle Verification; Select each function generator output in the table below. Use an; Optional Performance Verification Tests
  • Page 65 – Distortion Verification; output
  • Page 66 – H P; Calibration Security Code
  • Page 67 – To Unsecure the Function Generator Without the Security Code; W A R N I N G; Connect the power cord and turn on the function generator.
  • Page 68 – The calibration count is stored in; Calibration Message; The calibration message is stored in; Calibration Count
  • Page 69 – The following example; UNSECURED; Move across to the; CALIBRATE; Move down one level.; SETUP 0; Begin the Frequency and Burst Rate adjustment procedure.; General Calibration/Adjustment Procedure
  • Page 70 – Calculate and save the new value.; CALIBRATING; 0 Perform the next adjustment procedure.; SETUP
  • Page 71 – LOCAL; Frequency and Burst Rate Adjustment; Nominal Output; Perform the Frequency Verification procedures on page 56.; Aborting a Calibration in Progress
  • Page 72 – If the calibration procedure is aborted before all setup steps; Function Gain and Linearity Adjustment
  • Page 74 – If the calibration procedure is aborted before; A new calibration (SETUP 85; Modulation Adjustment
  • Page 75 – Use the DMM to measure the resistance of a 50; Nominal Input; Once the value of the 50
  • Page 78 – DC Output Adjustment
  • Page 79 – No calibration; Duty Cycle Adjustment
  • Page 80 – AC Amplitude Flatness Adjustment
  • Page 81 – Completion of adjustment procedures.; Return the function generator
  • Page 83 – System Error Messages; Error Messages
  • Page 84 – Calibration Error Messages
  • Page 86 – Theory of Operation; The self-test procedures are described in chapter 6.
  • Page 87 – This discussion pertains to the block diagram shown on page 129.; Block Diagram Overview
  • Page 88 – Block 8 on block diagram page 129 Schematic on page 138.; Output Attenuator
  • Page 89 – Block 7 on block diagram page 129 Schematic on page 137.; Output Amplifier
  • Page 91 – cutting the output signal; AM Modulation
  • Page 92 – Block 6 on block diagram page 129 Schematic on page 136.; Square Wave and Sync; Block 6 on block diagram page 129, schematic on page 136.
  • Page 93 – Chapter 5 Theory of Operation
  • Page 94 – Block 5 on block diagram page 129 Schematic on page 135.; Filters
  • Page 95 – Block 4 on block diagram page 129 Schematic on page 134.; Waveform DAC/Amplitude Leveling/Waveform RAM
  • Page 98 – Block 3 on block diagram page 129 Schematic on page 133.; System DACs
  • Page 99 – Block 1 on block diagram page 129 Schematic on page 131.; Floating Logic
  • Page 100 – Block 9 on block diagram page 129 Schematic on page 139.; Power Supplies; Block 10 on block diagram page 129 Schematic on page 140.; Earth-Referenced Logic
  • Page 102 – Block 11 on block diagram page 129 Schematic on page 141.; Display and Keyboard
  • Page 103 – Service
  • Page 105 – Is the function generator inoperative?; Verify that the front-panel Power switch is depressed.; Does the function generator fail self-test?; Verify that the correct power-line voltage is selected.; Is the function generator’s output inoperative?; Operating Checklist
  • Page 106 – Types of Service Available
  • Page 107 – Secure the container with strong tape or metal bands.; Cleaning; Repackaging for Shipment
  • Page 108 – ESD; only; only; Electrostatic Discharge (ESD) Precautions
  • Page 109 – TORX; T-15 driver to remove the screws located on the rear panel).; To Replace the Power-Line Fuse
  • Page 110 – -digit multimeter and a 100 MHz oscilloscope.; Unit is Inoperative; Unit Reports Error 760; Troubleshooting Hints
  • Page 111 – Check the main supply voltages as tabulated below.; Power Supply
  • Page 112 – Performing Individual Tests; Front panel does not respond; Self-Test Procedures
  • Page 115 – Replaceable Parts
  • Page 116 – Manufacturer’s List; To Order Replaceable Parts; Provide the instrument model number and serial number.
  • Page 117 – Chapter 7 Replaceable Parts
  • Page 128 – Mfr Code
  • Page 129 – Schematics
  • Page 131 – Block Diagram
  • Page 132 – Fold Here
  • Page 133 – Floating Logic Schematic
  • Page 135 – System DAC Schematic
  • Page 137 – Filters Schematic
  • Page 139 – Output Amplifier Schematic
  • Page 141 – Earth Reference Logic Schematic
  • Page 143 – Display and Keyboard Schematic
  • Page 146 – Inside Front Cover (English Service Guide)
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Service Guide

Publication Number 33120-90017 (

order as 33120-90104 manual set

)

Edition 6, March 2002

©

Copyright Agilent Technologies, Inc. 1994-2002

For Safety information, Warranties, and Regulatory information,
see th

e last page in this manual

.

Agilent 33120A
15 MHz Function /
Arbitrary Waveform Generator

Cover Page for Web Version ONLY (Service Guide)

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Summary

Page 3 - IntuiLink Arb Waveform Generation Software; W a r n i n g

The Agilent Technologies 33120A is a high-performance 15 MHzsynthesized function generator with built-in arbitrary waveformcapability. Its combination of bench-top and system features makes thisfunction generator a versatile solution for your testing requirements nowand in the future. Convenient ben...

Page 4 - The Front Panel at a Glance

The Front Panel at a Glance 1 Function / Modulation keys 2 Menu operation keys 3 Waveform modify keys 4 Single / Internal Trigger key ( Burst and Sweep only) 5 Recall / Store instrument state key 6 Enter Number key 7 Shift / Local key 8 Enter Number “units” keys 2

Page 5 - Front-Panel Number Entry; Use the arrow keys to edit individual digits.

Front-Panel Number Entry Increments the flashing digit. Decrements the flashing digit. Moves the flashing digit to the right . Moves the flashing digit to the left . Use “Enter” for those operations that do not require units to be specified (AM Level, Offset, % Duty, and Store/Recall State). You can...

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