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INSTRUCTION MANUAL

MODEL 560H

AMPLIFIER

The information in this manual is proprietary and may not be reproduced without written
permission from this company.

LIFE-SUPPORT POLICY: Ectron products are not authorized for use in life-support devices or
systems without the express, written approval of the President of Ectron Corporation.

Ectron Corporation

8159 Engineer Road

San Diego, CA 92111-1907

858-278-0600
800-732-8159

Fax:

858-278-0372

E-mail:

[email protected]

Web site: www.ectron.com

Summary of Contents for 560H

Page 1: ...POLICY Ectron products are not authorized for use in life support devices or systems without the express written approval of the President of Ectron Corporation Copyright 2018 Ectron Corporation Ectr...

Page 2: ...reach of this warranty and in any event Ectron s liability for breach of warranty under any contract or otherwise shall not exceed the purchase price of the specific instrument shipped and against whi...

Page 3: ...Overload Recovery 2 1 Filtered output 2 1 Noise 2 1 RMS 2 1 Peak 2 2 Gain Vernier Out 2 2 Steps 2 2 Vernier 2 2 Accuracy 2 2 Stability 2 2 Input Divider 2 2 Linearity 2 2 Output 2 2 Voltage 2 2 Short...

Page 4: ...tial Oscilloscope 7 1 Switches 7 1 Resistors 7 1 Null Detector 7 1 Function Generator 7 1 Rms Meter 7 1 Mating Connector 7 1 DMM 7 1 Preliminary Adjustments 7 1 Zero Adjustments Figure 7 1 7 1 RTO 7 1...

Page 5: ...tered output AVAILABLE AMPLIFIER OPTIONS Option J Wideband output of 10 V at 10 mA Option K Wideband output of 10 V at 100 mA rms or dc output See Footnote 1 on Page 2 2 Option L Wideband output of 10...

Page 6: ...t panel mode switch Two isolated power supplies are used in each enclosure One provides the 16 V necessary for amplifier operation and the other provides 15 9 V for the excitation supplies and 25 V fo...

Page 7: ...R513 16 Noninverting Input 2 B B Inverting Input 3 C C Shield 5 E E Bridge Completion 6 F F Excitation 1 A A Excitation 4 D D Filtered Output High 8 Filtered Output Low 7 Wideband Output High 10 Wide...

Page 8: ...Description Model 560H 1 4...

Page 9: ...IMPEDANCE 10 M to output common nominal COMMON MODE VOLTAGE 10 V dc or peak ac operating 300 V dc or peak ac when 100 1 input divider is in ZERO STABILITY 4 V RTI and 0 35 mV RTO for 200 hours TEMPERA...

Page 10: ...or both outputs IMPEDANCE 0 1 CAPACITIVE LOADING NO INSTABILITY Wideband output up to 0 01 F filtered output up to 0 1 F CURRENT DC OR AC RMS Current Option Wideband Filtered J 10 mA None K 100 mA1 N...

Page 11: ...notify the carrier before proceeding Remove the contents of the carton and carefully examine all units for any evidence of damage due to excessive shock vibration water etc If there is evidence of ph...

Page 12: ...Unpacking and Inspection Model 560H 3 2...

Page 13: ...ON Failure to remove Jumpers EE and FF will re sult in damage to the internal power supplies of the 516 series enclosure Table 4 1 shows the card edge connector J1 pin assignments for the Model 560H i...

Page 14: ...ct the single point to power line ground 3 Connect the oscillator output to the input of the voltage divider 4 Connect the output of the divider to the noninverting input J1 Pin 14 The other input J1...

Page 15: ...to a 1 V p p sine wave at 100 Hz 4 Measure and record the output of the amplifier 1 V p p 5 Change the function generator s frequency to 200 kHz Readjust the amplitude of the generator to 1 V p p if n...

Page 16: ...Initial Checkout Model 560H 4 4...

Page 17: ...1 V 1 V or 10 V Note that the resolution of the RTO zero control diminishes as range increases The RTI zero potentiometer also located on the front panel affects the input zero of the amplifier ahead...

Page 18: ...of the shunt or the differ ence in resistance present in the two inputs to the amplifier Unbalanced resistance is only significant for ac common mode signals In order to maximize common mode rejection...

Page 19: ...rtain limitations The specification for common mode voltage will be degraded because the Model 513 enclosures supply 16 V to the amplifiers whereas the Model 516 enclosures supply 20 V and 15 V In add...

Page 20: ...grounds ground loops could occur Fortunately signal levels at the output are usually high and small ground currents will not be significant In some cases however noise problems will occur In these cas...

Page 21: ...ack ratios are achieved by switching resistors R21 R31 DETAILED CIRCUIT DESCRIPTION AMPLIFIER Referring to Drawing 560 602 at the rear of the manual the input signals from J1 Pins 13 and 14 and the gu...

Page 22: ...the two precision zener diodes Because the RTO potentiometer R107 is connected directly across the supplies its wiper feeds a voltage of from 6 9 to 6 9 to R104 In the 10 V range R104 forms a voltage...

Page 23: ...ibits indicators DS1 and DS2 The enclosure power supplies provide 15 9 V at up to 1 5 A for amplifier power including 100 mA Options K M and N E513 6A ENCLOSURE DRAWING 513 613 Front panel controls ar...

Page 24: ...Theory of Operation Model 560H 6 4...

Page 25: ...eithley Model 155 or equivalent FUNCTION GENERATOR Wavetek Model 180 or equivalent RMS METER HP Model 427A or equivalent MATING CONNECTOR The mating connector for the amplifier card edge J1 is a Cinch...

Page 26: ...e zero detector sensitivity adjustment R84 can be adjusted at this time The range of the adjustment is 2 to 20 mV It is set at the factory to 2 mV full clockwise position SOURCE CURRENT ADJUSTMENTS FI...

Page 27: ...r may be used instead of the oscilloscope to make the differ ential measurements Differential measurement offers several advantages over the usual procedures that incorporate digital voltmeters or oth...

Page 28: ...3 through 8 INPUT IMPEDANCE FIGURE 7 1 1 Adjust the amplifier to a gain of 10 2 Adjust the precision divider R2 to 100000 3 Connect the DMM to the amplifier output pins Do not use the monitor jacks o...

Page 29: ...Remove the oscillator from the test fixture in Figure 7 3 3 Set S1 to 2 4 Connect the jumper as shown in the figure 5 Adjust the amplifier to a gain of 1 6 Record the rms RTO noise 7 Adjust the ampli...

Page 30: ...Calibration and Maintenance Model 560H 7 6...

Page 31: ...ECTRON CORPORATION EL ELCO ER ERIE EV ELECTROVERT FA FAIRCHILD GE GENERAL ELECTRIC GI GENERAL INSTRUMENTS GR GRAYHILL GS GENERAL SEMICONDUCTOR HP HEWLETT PACKARD IM IMB IP INTERPOWER KE KEMET KO KOA S...

Page 32: ...22 M 6 175220 0 R9 14 Res set matched metal film EC 550 003 01 550 003 01 R10 12 83 Res 10 k carbon film KO CF 10 k 6 172100 0 R11 37 Potentiometer 500 BO 3006P 1 500 6 450500 0 R15 16 53 105 106 Res...

Page 33: ...1 431009 0 J2 Connector 9 pin EL 00 8129 009 603 002 1 314009 0 R1 3 5 7 Res 93 1 k metal film 50 ppm tc CO RN55C9312F 6 102931 0 R2 4 6 8 Res 9 31 k metal film 50 ppm tc CO RN55C9311F 6 101931 0 R9 R...

Page 34: ...30 V SW EPS 2 PC3 2 170011 0 S101 Switch DPDT CS 23 021 114 7 130001 0 T1 Transformer power SL MPL 12 15 8 200012 0 TS101 102 Terminal strip EV 814S 10 25 135 1053 3 830050 0 U1 2A Regulator 15 V FA 7...

Page 35: ...FET n channel SE BUZ71A 1 240071 0 Q34 Transistor GE 2N3415 1 203415 1 R1 6 Res 560 carbon film KO CF 560 6 170560 0 R7 12 Res 47 k carbon film KO CF 47 k 6 172470 0 R13 Res 3 9 k carbon film KO CF 3...

Page 36: ...Parts List Model 560H 8 6...

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