Ectron 560H Instruction Manual

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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

INSTRUCTION MANUAL

MODEL 560H

AMPLIFIER

Ectron Corporation

8159 Engineer Road

San Diego, CA 92111-1907

Fax:

E-mail:

Web site: www.ectron.com

858-278-0600

800-732-8159

858-278-0372

sales@ectron.com

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Summary of Contents for Ectron 560H

Page 1 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.
Page 2 Shipment should not be made without the prior authorization of Ectron. This warranty does not apply to products repaired or altered by persons not authorized by Ectron, or not in accordance with instructions furnished by Ectron. If the instrument is defective as a result of misuse, improper repair, alteration, neglect, or abnormal conditions of operation repairs will be billed at Ectron’s...
Page 3: Table Of Contents
Bandwidth (within 3 dB) 4-1, Initial Amplifier Test Setup Slew Rate Table Settling Time 4-1, Card-edge Connector J1 Pin Overload Recovery Assignments Filtered output Noise Section V, Applications Peak Safety Gain (Vernier Out) Model 560H Operating Controls Steps Gain Controls Vernier Zero Controls...
Page 4 Other Application Notes Source-current Adjustments Loads Common-mode-rejection Adjustment Output Grounding Problems Gain Calibration Figure Test Procedures 5-1, Jumper Removal for a Model 560H in an Gain Accuracy E516 Series Enclosure Linearity Input Impedance Output Impedance Section VI, Theory of Operation Frequency Response...
Page 5: General
Wideband output of ±10 V at 10 mA. This enclosure with integral power supplies Option K will accept up to two Model 560H units and is intended for bench or portable use. All connec- Wideband output of ±10 V at 100 mA rms or tions except input power are made to barrier dc output.
Page 6: E513-6A
It will enclosure. One provides the ±16 V necessary accept up to six Model 560H units. A front- for amplifier operation, and the other provides panel switch is used to inhibit the operation of 15.9 V for the excitation supplies and 25 V...
Page 7: Enclosure Connector Pin Designations
Model 560H Description Table 1-2: Enclosure Connector Pin Designations E513-2A E513-6A R513-16 Noninverting Input Inverting Input Shield Bridge Completion + Excitation  Excitation Filtered Output High Filtered Output Low Wideband Output High Wideband Output Low * Models E513-6A and R513-16 enclosures use BNC output connectors.
Page 8 Description Model 560H ...
Page 9: Configuration
SECTION II SPECIFICATIONS Unless otherwise noted, all specifications apply at RTO RANGE 25°C after thirty minutes warm-up with 0  to Three switch-selectable ranges of ±0.1 V, 1 k source resistance in any unbalance. RTI is ±1 V, and ±10 V. referred-to-input.
Page 10: Peak
Specifications Model 560H PEAK IMPEDANCE From 0.1 Hz to 10 Hz: 0.75 µV RTI  50 µV 0.1 . RTO. CAPACITIVE LOADING (NO INSTABILITY) GAIN (VERNIER OUT) Wideband output, up to 0.01 µF; filtered output, up to 0.1 µF. STEPS CURRENT, DC OR AC RMS 1, 2, 5, 10, 20, 50, 100, 200, 500, and 1000.
Page 11 If there is evidence of physical damage, notify the carrier. Account for all items on the packing list, including mating connectors and instruction manuals. If the inventory of equipment does not correspond with the packing slip, notify Ectron Corporation. If all is satisfactory, proceed with Section IV, INITIAL CHECKOUT.
Page 12 Unpacking and Inspection Model 560H ...
Page 13: Input Connections
Table 4-1 shows the card-edge connector J1 pin This procedure is not a substitute for the specifica- assignments for the Model 560H if it is to be tion tests in Section VII, which the user may want bench-tested. The mating connector is a Cinch to perform before placing the unit in service.
Page 14: Test Equipment Required
10. Adjust the output of the oscillator to 10 V p-p GAIN (REFER TO FIGURE 4-1) at 100 Hz. Although the Model 560H is designed as a 11. Adjust the voltage divider to the reciprocal differential amplifier, it may also be operated in a (0.001) of the gain setting.
Page 15: Frequency Response
Model 560H Initial Checkout 14. Switch out the 100:1 input divider. 5. Change the function generator’s frequency to 200 kHz. Readjust the amplitude of the FREQUENCY RESPONSE (REFER TO generator to 1 V p-p if necessary. FIGURE 7-2) 6. Measure the output of the amplifier. It should 1.
Page 16 Initial Checkout Model 560H ...
Page 17: Zero Indicators, Output Monitor Jacks
SAFETY that the resolution of the RTO-zero control diminishes as range increases. When using the Model 560H in an ac-powered The RTI-zero potentiometer, also located on the enclosure, ensure that the chassis is connected to front panel, affects the input zero of the amplifier “earth”...
Page 18: Common-Mode Effects
19-inch EIA rack enclosure. The Model signal. E513-6A is a bench-mounting enclosure that The Model 560H has the ability to reject common- accepts up to six amplifiers. The Model E513-2A, mode signals by 50 dB plus gain in dB for voltages...
Page 19: Model E513-2A Enclosure
Model 560H Applications Figure 5-1: Jumper Removal for a Model 560H in an E516 Series Enclosure whereas the Model 516 enclosures supply 20 V high and low outputs for both the wideband and filtered outputs of the amplifiers. Note that only and15 V.
Page 20 Applications Model 560H applications this should cause no problems. For some cases, however, noise problems will occur. In example, when all outputs feed a single load such these cases, the user should try to lift the ground tie as a recorder or a multiplexer, no grounding point of some of the loads, if possible.
Page 21: Section Vi, Theory Of Operation
Figure 6-1 is a simplified schematic of the Model achieved by switching resistors R21-R31. 560H derived from Drawing 560-602. The input signals are applied to the bases of Q2, a dual NPN DETAILED CIRCUIT DESCRIPTION transistor with small geometry and monolithic construction to provide matched characteristics.
Page 22: Filter Amplifier
Theory of Operation Model 560H Figure 6-1: Model 560H Simplified Amplifier Schematic to 6.9 to R104. In the 10 V range, R104 forms a function of any common-mode voltage which may be present and is fed back to enhance the CMR of voltage divider with R101 to inject the proper the amplifier.
Page 23: Zero Detector
±16 V at up to 0.18 A for the OFF position, applies16 V to the gate of Q4 on Model 560H amplifier. (Bridge rectifier CR5 each amplifier (Drawing 560-602) and inhibits supplies U1 to provide 15.9 V at up to 0.2 A for indicators DS1 and DS2.
Page 24 Theory of Operation Model 560H ...
Page 25: Section Vii, Calibration And Maintenance
The mating connector for the amplifier card- are given in the following paragraphs. The Model edge J1 is a Cinch 50-18-A-20 (Ectron P/N 560H to be tested must be energized and allowed 1-314018-0) which must be keyed between to reach thermal stability. Ectron recommends a Pins 5 and 6.
Page 26: Rti
Calibration and Maintenance Model 560H Figure 7-1: Basic Test Setup output if necessary by adjusting R11 on the SOURCE-CURRENT ADJUSTMENTS filter card. (FIGURE 7-1 ) There is no extra zero adjustment on the high 1. Set all switches to 1.
Page 27: Gain Calibration
Page 7-1. The following test procedure describes the meth- 3. Set all switches to Position 1 at the start of ods currently used at Ectron to test Model 560H. each test unless otherwise specified. The procedure consists of comparing the amplifier 4.
Page 28: Linearity
Calibration and Maintenance Model 560H Figure 7-3: Test Setup for Noise and Common-mode Rejection LINEARITY (FIGURE 7-1) 3. Connect the DMM to the amplifier output pins. (Do not use the monitor jacks on the 1. If the filtered output is to be used for this test front of the amplifier.)
Page 29: Noise
NOISE (FIGURE 7-3) BENCH TESTING NOTE: Use caution when wiring the input circuit The Model 560H operates from an isolated power for this test to avoid introducing additional noise. supply that provides ±16 V regulated for the 1. Substitute an rms meter with an RC filter of amplifier.
Page 30 Calibration and Maintenance Model 560H ...
Page 31: Section Viii, Parts List
BOURNS MONSANTO CAPAR MOTOROLA CENTRALAB MURA TRW CINCH MOLEX C&K NAT’L SEMICONDUCTOR CORNING NYTRONICS CHICAGO SWITCH PANASONIC DALE POWER ONE ECTRON CORPORATION ROGAN ELCO SIGNAL ERIE SIEMENS ELECTROVERT SIGNETICS FAIRCHILD SILICONIX GENERAL ELECTRIC SPRAGUE GENERAL INSTRUMENTS STANCOR GRAYHILL SWITCHCRAFT GENERAL SEMICONDUCTOR...
Page 32: Model 560H Amplifier
Parts List Model 560H MODEL 560H AMPLIFIER REF DESIG DESCRIPTION MFR MFR P/N ECTRON P/N Op amp, dual OP270GP 1-100270-1 A2, 3 Op amp LF412CN 1-100412-0 Cap, 0.01 µF ceramic disc TGS10 1-421004-0 C3, 4, 10 Cap, 10 pF silver mica...
Page 33: Model 560H Filter Assembly
Transformer, trifilar 4259-0003 8-220000-0 Assembly, filter 550-501-01 550-501-01 Assembly, high current 550-519-01 550-519-01 MODEL 560H FILTER ASSEMBLY (OPTIONS L, M, AND N) ASSY 550-501-01 (DWG 550-602) REF DESIG DESCRIPTION MFR MFR P/N ECTRON P/N Op amp LF356N 1-100356-1 Cap, 0.15 µF metal mylar...
Page 34: Model E513-2A Enclosure
Parts List Model 560H MODEL E513-2A ENCLOSURE (DWG 513-604) REF DESIG DESCRIPTION MFR MFR P/N ECTRON P/N C1, 3, 6 Cap, 47 µF 25 V CSR13E476KL 1-454700-1 C2, 5, 7 Cap, 1000 µF 35 V CAE1000/35 1-471000-0 CR1-3, 6-9, 11-14...
Page 35: Model R513-16 Enclosure
Model 560H Parts List MODEL R513-16 ENCLOSURE (DWG 513-622) REF DESIG DESCRIPTION MFR MFR P/N ECTRON P/N C1-3 Capacitor, 4.7 µF/35 V tantalum 199D475X903CA2 1-444700-1 Capacitor, 1 µF/100 V met plyester ECQ-E1105KZ 1-441006-0 CR1-3 Zener 1N752A 1-190752-1 CR4-5 Diode, signal...
Page 36 Parts List Model 560H ...