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Astronics Trig-Tek User Manual

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Trig-Tek™
530B
Tracking Filter
User Manual
Publication No. 980974 Rev. B
Astronics Test Systems Inc.
4 Goodyear, Irvine, CA 92618
Tel: (800) 722-2528, (949) 859-8999; Fax: (949) 859-7139
atsinfo@astronics.com
atssales@astronics.com
atshelpdesk@astronics.com
http://www.astronicstestsystems.com
Copyright 2011 by Astronics Test Systems Inc. Printed in the United States of America. 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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Summary of Contents for Astronics Trig-Tek

  • Page 1 Tel: (800) 722-2528, (949) 859-8999; Fax: (949) 859-7139 atsinfo@astronics.com atssales@astronics.com atshelpdesk@astronics.com http://www.astronicstestsystems.com Copyright 2011 by Astronics Test Systems Inc. Printed in the United States of America. All rights reserved. This book or parts thereof may not be reproduced in any form without written permission of the publisher.
  • Page 2 This warranty does not apply to defects resulting from any modification(s) of any product or part without Astronics Test Systems express written consent, or misuse of any product or part. The warranty also does not apply to fuses, software, non-rechargeable batteries, damage from battery leakage, or problems arising from normal wear, such as mechanical relay life, or failure to follow instructions.
  • Page 3 This document and the technical data herein disclosed, are proprietary to Astronics Test Systems, and shall not, without express written permission of Astronics Test Systems, be used in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems.
  • Page 4 FOR YOUR SAFETY Before undertaking any troubleshooting, maintenance or exploratory procedure, read carefully the WARNINGS and CAUTION notices. This equipment contains voltage hazardous to human life and safety, and is capable of inflicting personal injury. If this instrument is to be powered from the AC line (mains) through an autotransformer, ensure the common connector is connected to the neutral (earth pole) of the power supply.

  • Page 5: Table Of Contents

    ERROR Light..........................2-2 DVM Front Panel Meter......................2-2 Wide Bandwidth Filter (Optional) ....................2-2 Chapter 3 ......................... 3-1 Performance Test ......................3-1 Test Equipment .......................... 3-1 Switch Setttings .......................... 3-1 Performance Test Procedure ..................... 3-1 Checking the Bandwidth......................3-3 Astronics Test Systems...
  • Page 6 Chapter 4 ........................4-1 Calibration Procedure ....................4-1 Test Equipment ...........................4-1 Test Procedure ...........................4-1 DC of Frequency Adjustments (Linear) ..................4-2 DC Zero Adjustments (W15B) ....................4-3 FS Range Adjust .........................4-3 Log of Adjustments ........................4-4 Bandwidth Adjustments (W 15B) ....................4-5 Astronics Test Systems...
  • Page 7 Publication No. 980974 Rev. B 530B User Manual List of Figures Figure 1-1, 530B Tracking Filter ......................1-2 Figure 4-1, Adjustment Resistor Locations ..................4-2 Figure 4-2, Front Panel Meter Circuit Board Adjustment ..............4-4 Astronics Test Systems...
  • Page 8 530B User Manual Publication No. 980974 Rev. B This page was left intentionally blank. Astronics Test Systems...
  • Page 9 Publication No. 980974 Rev. B 530B User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change 03/31/2011 Document Control release Revised per ECN02268 updating bandwidth 01/28/2012 numbers in Chapter 3. Astronics Test Systems...
  • Page 10 530B User Manual Publication No. 980974 Rev. B This page was left intentionally blank. Astronics Test Systems...

  • Page 11: Chapter 1

    5 to 10,000Hz Frequency Range • True RMS Meter (NB-PH-WB) • Linear and Log DC of Frequency • Linear DC of Level (or log) (Both Narrow and Wide Band) • 115 or 230 VRMS Power Astronics Test Systems Introduction 1-1...

  • Page 12: System Description

    DC voltage proportional to frequency. The Analyzer part accomplishes the filtering and provides an AC Filtered output and both linear and logarithmic DC voltages proportional to the level. Introduction 1-2 Astronics Test Systems...

  • Page 13: Carrier Generator

    Reference Input Impedance 500 k Ohms Frequency Response 5 Hz to 10,000 Hz Level 50 mV Pk-Pk to 100 V Pk-Pk Sine, Triangle, Square or Pulse (pulse Waveform width 25 μs minimum). Connector BNC (isolated) Astronics Test Systems Introduction 1-3...

  • Page 14: Data Input

    DC of Level (Linear) Impedance <50 Ohms Maximum Out WBW 10 Volts FS Maximum Out NBW 10 Volts FS Accuracy ±3% of Reading, ±0.5% FS Dynamic Range 60dB Connector BNC (Low side at signal ground) Introduction 1-4 Astronics Test Systems...

  • Page 15: Dc Of Frequency (Linear)

    BNC (Low side at signal ground) DC of Frequency (Log) Impedance <50 Ohms Maximum Output 10 Volts Conformity 0.5 dB Sensitivity 125 mV/dB Connector BNC (Low side at signal ground) Bandwidth Accuracy of Dial ±3% Filter Shape 5-Section Bessell Astronics Test Systems Introduction 1-5...

  • Page 16: Time Constant

    LED illuminates if input to tracking filter is too high for selected range, or if output from filter to meter is too high. ERROR LED LED illuminates when an in-correct signal is applied to the REF Input. Introduction 1-6 Astronics Test Systems...

  • Page 17: Power

    Six-Module 19” Rack 4200 Optional Plug-in HP and LP Filter Assy 1697-1 is available with 3-selectable High Pass and 3-selectable Low Pass Filters. Frequency cutoffs are: HP-5, 30 or 70 Hz, LP-5000, 10,000 or 20,000Hz. Astronics Test Systems Introduction 1-7...
  • Page 18 530B User Manual Publication No. 980974 Rev. B This page was left intentionally blank. Introduction 1-8 Astronics Test Systems...

  • Page 19: Chapter 2

    The DC OUTPUT TC Switch is a two-position toggle switch to select either a SLOW or FAST time constant for the NB and WB DC outputs and meter response. The DC OUTPUT TC switch changes the time constant of both NB and WB TRMS detectors simultaneously. Astronics Test Systems Operation 2-1...

  • Page 20: Manual-Auto (Limit) Switch And Bw Hz Thumb Switch

    5, 10 or 20 kHz, and three switch-selectable high-pass filter bandwidths of 5, 30 and 70 Hz. The low-pass and high-pass filters are each four-section Butterworth designs. Other filter bandwidths can be furnished on special order. Operation 2-2 Astronics Test Systems...

  • Page 21: Chapter 3

    Multimeter Fluke 4588A Generators (2) Trig-Tek 45EMD Portable Calibrator. Switch Setttings Place the FS RANGE switch to 10 V, the MANUAL-AUTO switch to MANUAL, the BW HZ thumb switch to 005, and the DC OUTPUT TC switch to SLOW. Connect the power cord of the rack assembly into the power line and turn the POWER switch at the left side of the rack to ON.
  • Page 22 31. Observe an indication of 1.000 ±0.05 on the front panel meter. 32. Set the generator frequency for 10,000Hz. 33. Observe an indication of 1 ±0.05 VRMS on the AC voltmeter. The front panel meter should indicate 1.000 ±0.05. Performance Test 3-2 Astronics Test Systems...

  • Page 23: Checking The Bandwidth

    13. Connect generator #1 SQ WAVE OUTPUT to the REF Input, and the DATA Input. Set at 100 ±0.1 Hz. 14. Place METER INPUT Switch to PH (Phase). 15. Observe an indication of 0 ±5 degrees on the front panel meter. Astronics Test Systems Performance Test 3-3...
  • Page 24 530B User Manual Publication No. 980974 Rev. B This page was left intentionally blank. Performance Test 3-4 Astronics Test Systems...

  • Page 25: Chapter 4

    W15 board. Even though they may have the same resistor number, be sure to adjust the correct resistor. Test Equipment Note: Equivalent equipment can be substituted. Multimeter Fluke 4588A Generators (2) Trig-Tek Portable Calibrator. Oscilloscope Power Cord Assembly Trig-Tek TT-1535. Board Test Assembly Trig-Tek TT-1789. WARNING Damage can occur to the circuitry if the internal switch, S1, is set to the 115 position and 230 VRMS AC power is applied.

  • Page 26: Dc Of Frequency Adjustments (Linear)

    3. Connect the DC voltmeter to the LIN DC of FREQ OUTPUT jack, Pin 8 of P1. 4. Set R1 (TACH FS ADJ) for 10.00 ±.05 V indication on the DC voltmeter. 5. Set the function generator for a frequency of 10 ±10 Hz. Calibration Procedure 4-2 Astronics Test Systems...

  • Page 27: Dc Zero Adjustments (W15B)

    DVM will indicate 10.00 ±0.10 VRMS). 10. Connect the AC voltmeter to the FILTER OUTPUT jack, Pins 11 and 9 of P1. 11. Set R4 (on the W15 board) for a 10.00 ±0.10 V indication on the AC voltmeter. Astronics Test Systems Calibration Procedure 4-3...

  • Page 28: Log Of Adjustments

    The spread between the –5% and –3dB points is not calculated in the usual way. Test to the following 3dB points ±10%. 3.4 Hz 3.5 KHz 19.8 Hz 7 KHz 14.1 KHz 43 Hz Calibration Procedure 4-4 Astronics Test Systems...

  • Page 29: Bandwidth Adjustments (W 15B)

    10. Look for a 0.707 ±.050 VRMS indication on the front panel meter. (Note that it is normal for the indication to vary upwards and downwards around this central value at a 1 Hz rate). Astronics Test Systems Calibration Procedure 4-5...
  • Page 30 530B User Manual Publication No. 980974 Rev. B This page was left intentionally blank. Calibration Procedure 4-6 Astronics Test Systems...

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