Trig-Tek™ 311A Frequency Multiplier User Manual
Contents
1. AlsTRONICS TEST SYSTEMS Trig Tek 311A Frequency Multiplier User Manual Publication No 981004 Rev A MODEL 311A INPUT X N gt 1Mhz ERRO FREQUENCY MULTIPLIER 6 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 2012 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 THANK YOU FOR PURCHASING THIS ASTRONICS TEST SYSTEMS PRODUCT For this product or any other Astronics Test Systems product that incorporates software drivers you may access our web site to verify and or download the latest driver versions The web address for driver downloads is http www astronicstestsystems com support downloads If you have any questions about software driver downloads or our privacy policy please contact us at atsinfo astronics com WARRANTY STATEMENT All Astronics Test Systems products are designed to exacting standards and manufactured in full compliance to our AS9100 Quality Management System processes 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 p2. V to 100 V sine wave Level square wave or pulse 100 000 Ohms guarded to Impedance 110 VRMS X1 Output Signals Level 5V TTL Impedance Less than 200 Ohms 25 mA XN Output Signals Level BV TIL Impedance Less than 200 Ohms 25 mA LED illuminates when the Input ERROR Light frequency times the setting at exceeds 1 mHz Operating Temperature 0 to 70 C Power 115 or 230 VAC switch selectable Approximately 3 watts Optional DC powered 12 or 24 VDC Introduction 1 2 Astronics Test Systems Publication No 981004 Rev 311A User Manual Dimensions 5 25 wide x 2 75 high wide x 6 deep 13 cm x 7 x 15 cm Astronics Test Systems Introduction 1 3 Publication No 981004 Rev 311A User Manual Wva9viQ 201 4 5 Vii 1300N 434408 LX HOLIMS v A8 833308 NX 431114 9001 IdNv 434408 I I I 1 I I I I 1 I 1 I 1 l l Q ee ee ee ee ee ee INdNI Een Figure 1 2 Simplified Block Diagram Astronics Test Systems Introduction 1 4 Publication No 981004 Rev A 311A User Manual Chapter 2 Operation DC Operatio
3. art 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 This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular use The remedies provided herein are buyer s sole and exclusive remedies For the specific terms of your standard warranty contact Customer Support Please have the following information available to facilitate service 1 Product serial number 2 Product model number 3 Your company and contact information You may contact Customer Support by E Mail atshelpdesk astronics com Telephone 1 800 722 3262 USA Fax 1 949 859 7139 USA RETURN OF PRODUCT Authorization is required from Astronics Test Systems before you send us your product or sub assembly for service or calibration Call or contact Customer Support at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can also be reached at atshelodesk astronics com If the original packing material is unavailable ship the product or sub assembly in an ESD shielding bag and use appropriate packing materials to surround and protect the product PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Astronics Test Systems and shall not without express written per
4. ated circuits and very stable parts There is no adjustment in the Model 311A If a part of the procedure is not in tolerance contact the Customer Service Department of Astronics Test Systems for service Test Equipment Note Equivalent equipment can be substituted Counter Triplett Model 7000 Function Generator Trig Tek 346B Synthesized Calibrator Procedure Connect a 1 00 0 1 Volt signal of 5 0 05 Hz to the INPUT jack Set the Multiplier thumb switch to 100 Connect the counter to the X1 output Observe an indication of 5 0 1 Hz on the counter Connect the counter to the XN output Observe an indication of 500 5 Hz on the counter Set the Multiplier thumb switch to 60 Observe an indication of 300 3 Hz on the counter 9 Set the Multiplier thumb switch to 10 10 Observe an indication of 50 1 Hz on the counter dcm rt 11 Change the input frequency to 2000 1 Hz 12 Observe an indication of 20000 10 Hz on the counter 13 Reduce the generator input level to 50 millivolts RMS 14 Observe an indication of 20000 10 Hz on the counter Astronics Test Systems Calibration 3 1 311A User Manual Publication No 981004 Rev A This page was left intentionally blank Calibration 3 2 Astronics Test Systems
5. er Manual Publication No 981004 Rev A This page intentionally left blank ii Astronics Test Systems Publication 981004 Rev 311A User Manual List of Figures Figure 1 1 Trig Tek 311A Frequency 1 1 Figure 1 2 Simplified Block 1 4 Astronics Test Systems iii 311A User Manual Publication No 981004 Rev A DOCUMENT CHANGE HISTORY Revision Date Description of Change A 11 3 2012 Document Control release Astronics Test Systems Publication No 981004 Rev A 311A User Manual Chapter 1 Introduction The Trig Tek 311A Frequency Multiplier Figure 1 1 is designed for use where exact multiplication of frequency is required Also it can be used where increased resolution is required when making frequency measurements The Block Diagram in Figure 1 2 shows the basic system used to accomplish the multiplication MODEL 311A 9 INPUT X N gt 1Mhz FREQUENCY MULTIPLIER Figure 1 1 Trig Tek 311A Frequency Multiplier The Model 311A Frequency Multiplier provides a means of multiplying a frequency by an N numerator of 0001 to 9999 in integer steps The Loop is phase locked to an input frequency signal and the output is the exact multiple of the setting at N Input Levels from 30 mV PK to 100 V PK of any recurring wave is required for n
6. grounded or connected to the protective third wire earth ground If the instrument fails to operate satisfactorily shows visible damage has been stored under unfavorable conditions has sustained stress Do not operate until performance is checked by qualified personnel Publication 981004 Rev 311A User Manual Table of Contents eee ee 1 1 Pac 1 1 ler te iie eem 1 2 Input erc 1 2 X1 Output Signals wees rennen 1 2 XN Qutp t Signals 35 2 ieee 1 2 Operating 1 2 saniem 1 2 id a 1 3 Chapter iniit M P M eer IM 2 1 irn pee E TEE 2 1 18 o ro POETE 2 1 ote nox Iced i Lie ed a nee 2 1 Frequency Multiplier Thumber Switch 2 1 XTOUIDUL itc ttd teet a td tede Ucet tet ied 2 1 PASO CoU mr 2 1 Chapter I pet M 3 1 Pel rmance nne nere unire i rit eee 3 1 Test Equiprmienti o ehe Stat tem teu 3 1 PROCCCUIC i m EE 3 1 Astronics Test Systems i 311A Us
7. mission 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 The information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners e Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS trademarks of Astronics Test Systems in the United States DISCLAIMER Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should ensure that they are used properly and in accordance with this document and any other instructions provided by Seller Astronics Test Systems products are not specifically designed manufactured or intended to be used as parts assemblies or components in planning construction maintenance or operation of a nuclear facility or in life support or safety critical applications in which the failure of the Astronics Test Systems product could create a situation where personal injury or death could occur Should Buyer purchase Astronics Test Systems product for such unintended a
8. n Apply the proper DC voltage 12 V or 24 V to the unit Turn the POWER switch to the ON position Note that the POWER light is illuminated AC Operation Before applying power verify that the 115 230 Volts switch Rear Panel is in the proper position for your use CAUTION If you apply 230 Volts to the unit when the switch is in the 115 V position you might damage the unit Connect the power cord to the line and turn the POWER switch to the ON position Note that the POWER light is illuminated Frequency Multiplier Thumber Switch N The Frequency Multiplier thumb switch on the front panel sets the multiplication factor between the Input signal frequency and the XN Output signal frequency Selections for N are 0001 to 9999 When the Input frequency times the multiplier selected for N exceeds the upper VCO frequency the ERROR LED illuminates X1 Output The X1 output is a TTL square wave at the same frequency as the Input signal XN Output The XN Output is a TTL Square wave signal times the Input Signal frequency as selected by the N Multiplier Thumb Switch Astronics Test Systems Operation 2 1 311A User Manual Publication No 981004 Rev A Operation 2 2 Astronics Test Systems Publication No 981004 Rev A 311A User Manual Chapter 3 Peformance This performance test procedure should be run to verify that the unit is performing within the manufacturer s specifications The unit uses integr
9. ormal operation An ERROR LED illuminates the loop is not locked The XN output maximum frequency is one megahertz If the multiplication of the Input frequency times the N exceeds one megahertz the error light will illuminate Two 5 Volt TTL outputs bring out the X1 which is same frequency as the Input and XN which is the Input frequency times the N numerator The signal is brought into the input buffer amplifier This circuit has protection to guard against damage with the inputs up to 110 Volts RMS The buffered signal is amplified at the limiter to drive the frequency discriminator and phase detector The frequency discriminator provides a signal which causes the voltage controlled oscillator frequency to be moved toward the frequency of the input signal When the frequencies are within plus or minus one Hertz the discriminator becomes a phase detector with a linear voltage versus phase output The phase detector loop filter voltage controlled oscillator and selected divider are then a phase lock loop system The phase lock system with the digital dividers in the loop between the voltage controlled oscillator and the phase detector provides a means of accomplishing exact multiplication of the input frequency by the integer number set Astronics Test Systems Introduction 1 1 311A User Manual Publication No 981004 Rev A for N Specifications Input Frequency Range 5 Hz to 10 KHz 30 m
10. pplication Buyer shall indemnify and hold Astronics Test Systems its officers employees subsidiaries affiliates and distributors harmless against all claims arising out of a claim for personal injury or death associated with such unintended use FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices RISK OF ELECTRICAL SHOCK human life and safety and is capable of inflicting DO NOT OPEN personal injury A CAUTION This equipment contains voltage hazardous to 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 Before operating the unit ensure the conductor green wire is connected to the ground earth conductor of the power outlet Do not use a two conductor extension cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Q Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings to avoid live circuit points SENSITIVE ELECTRONIC DEVICES Before operating this instrument 1 Ensure the proper fuse is in place for the power source to operate 2 Ensure all other devices connected to or in proximity to this instrument are properly
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