Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 71xx 7153_901_01A
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Model 7153 High Voltage Low
Current Matrix Card
Instruction Manual
Contains Operating and Servicing Information
Model 7153 High Voltage Low
Instruction Manual
0 1990, Keithley Instruments, Inc.
Test Instrumentation Croup
All rights reserved.
Cleveland, Ohio, U.S.A.
November 1990, First Printing
Document Number: 7153.YOLRev. A
SAFETY PRECAUTIONS
The following safety precautions should be observed before using the
Model 7153 and the associated instruments.
This matrix card is intended for use by qualified personnel who recognize
shock hazards and are familiar with the safety precautions required to
avoid possible injury. Read over this manual carefully before using the
card.
ALWAYS remove power from the entire system (mainframe, test instru-
ments, DUT, etc.) and discharge any capacitors before doing any of the
following:
1. Installing or removing the matrix card from the mainframe.
2. Connecting or disconnecting cables from the matrix card.
Exercise extreme caution when a shock hazard is present at the test fixture.
User-supplied lethal voltages may be present on the fixture or the connec-
tor jack. The American National Standards Institute (ANSI) states that a
shock hazard exists when voltage levels greater than 30V RMS or 42.4V
peak are present. A good safety practice is to expect that hazardous volt-
age is present in any unknown circuit before measuring.
Do not exceed 1300V between any two pins or between any pin and chas-
sis ground.
Inspect the connecting cables and test leads for possible wear, cracks, or
breaks before each use.
For maximum safety, do not touch the test fixture, test cables or any instru-
ments while power is applied to the circuit under test.
Do not touch any object which could provide a current path to the com-
mon side of the circuit under test or power line (earth) ground.
Do not exceed the maximum signal levels of the test fixture, as defined in
the specifications and operation section of this manual.
Do not connect the matrix card (or any other instrumentation) to humans.
Do not connect the matrix card directly to unlimited power circuits. This
product is intended to be used with impedance limited sources. NEVER
connect the tmatrix card directly to AC mains.
When connecting sources, install protective devices to limit fault current
and voltage to the card.
The chassis connections must only be used as shield connections for
measuring circuits; NOT as safety earth ground connections.
The outer shields (including the triax connector shells) of the Model
7153-TRX are not connected to safety earth ground. NEVER apply more
than 30V to these shields.
To prevent voltages from being exposed or connections from shorting to-
gether, make sure cables are properly connected before applying voltage.
Do not apply power to cables that are not connected.
Model 7153 Specifications
MATRIX CONFIGIJRATION: 4 TOWSby 5 columns.
CROSSPOINT CONFIGURATION (Signal and Guard): Z-pole Form A.
CONNECTORTYPE: Miniature coax, M-Series Receptacle.
RELAY DRWE CURRENT: 40mA (per crosspoint).
MAx,MuM SlGNAL LEVEL:
IA carry / 0.5A switched.
IOVA peak (resistive load).
Maximum Between Any 2 Pins or Chassis: 13OOV.
Max,mum Between Signal and Guard: 200".
CONTACT LIPB:
Cold Switching: 108closures.
Maximum Signal Level: lo5 closures.
PATH RESISTANCE: lOW and lO"Q and 4OOpF.
Gammon Mode 6tgnat and Guard to Chassis): >lOQ and 4OOpP.
CROSSTALK (Adjacent Path to Path): <-50dB at IMHz, 50 n load.
INSERTION LOSS (1 MHz, 5On Source, 5On Load): 0.1 dB typical.
3dB BANDWIDTH (500 Load): 60 MHz typical.
OPPSET CURRENT (Signal to Guard): 4pA (1OfA typical)
CONTACT POTENTIAL (Signal to Guard): <5OpV typical.
ENVIRONMENT:
Isolation and Offset Current Specifications: WC, 40% R.H.
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