Keithley - 7076 - Interface
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Keithley 7076
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Equipment:
7076
Date:
1991
Category:
Group:
Sub Group:
Information
The Model 7076 is a general purpose, two-pole, dual 4 x
12 (four row by 12 column) matrix card. Some of the key
features indude:
• Guard capability. Each HI path on the PC board is
surrounded by a second path that can be used for guarding.
• Low contact potential and offset current for minimal
effects on low-level signals.
• Quick disconnects using 25-pin D-Sub connectors on the
rear panel.
• Row backplane jumpers. Cutting jumpers disconnects rows
from the Model 707 backplane.
• Column jumpers. Installing jumpers configures card as an 8
x 12 matrix.
3 Manuals
Service and user manual
Manual type:
Service and user manual
Pages:
72
Size:
3.4 MB
Language:
english
Revision:
B
Manual-ID:
7076-901-01
Date:
Quality:
Scanned document, all readable.
Upload date:
March 2, 2014
MD5:
4ff8ecfe-d5ca-8e01-d2c7-ecb3e30bce73
Downloads:
615
Datasheet
Manual type:
Datasheet
Pages:
1
Size:
199.9 KB
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
March 7, 2014
MD5:
9350e797-16cb-007c-86d6-bd7a3720cee4
Downloads:
635
Service and user manual
Manual type:
Service and user manual
Pages:
72
Size:
3.2 MB
Language:
english
Revision:
B
Manual-ID:
7076-901-01
Date:
April 1991
Quality:
Scanned document, all readable.
Upload date:
Aug. 25, 2018
MD5:
82d5957d-fb41-ff4f-bc20-adad80edecdd
Downloads:
471
Information
SECTION 1 — General Information
1.1
INTRODUCTION...1-1
1.2
FEATURES...1-1
1.3 WARRANTY
INFORMATION...1-1
1.4 MANUAL
ADDENDA...1-1
1.5 SAFETY SYMBOLS AND
TERMS...1-1
1.6 SPECIFICATIONS
...1-1
1.7 UNPACKING AND
INSPECTION...1-1
1.7.1 Inspection for Damage
...1-1
1.7.2 Shipping Contents
...1-2
1.7.3 Instruction
Manual...1-2
1.8 REPACKING FOR
SHIPMENT...1-2
1.9 OPTIONAL Accessories 1-2
SECTION 2 — Operation
2.1
INTRODUCTION...2-1
2.2 HANDLING
PRECAUTIONS...2-1
2.3 CARD INSTALLATION AND REMOVAL
...2-1
2.4 BASIC MATRIX
CONFIGURATIONS...2-2
2.4.1 4 x 24 Matrix
...2-6
2.4.2 8 x 12
Matrix...2-7
2.5 TYPICAL MATRIX SWITCHING SCHEMES
...2-8
2.5.1 Single-ended
Switching...2-8
2.5.2 Differential
Switching...2-8
2.5.3 Guarding
...2-9
2.5.4
Sensing...2-9
2.6 CONNECTIONS
...2-10
2.6.1 Standard Cable (Model
7075-MTC)...2-11
2.6.2 High Isolation Cables (Model 7076 RMTC and Model 7076 CMTC)...2-13
2.7 MATRIX
EXPANSION...2-15
2.7.1 Backplane Row
Jumpers...2-15
2.7.2 Narrow Matrix
Expansion...,...*...2-17
2.7.3 Wide Matrix
Expansion...2-18
2.7.4 Partial Matrix Implementation
...2-19
2.7.5 Mainframe Matrix Expansion
...2-19
2.8 TYPICAL CONNECTION
SCHEMES...2-20
2.8.1 Single Card
System...2-20
2.8.2 Multiple Card
System...2-21
2.8.3 Multiple Mainframe System
...2-21
2.8.4 Matrix/Multiplexer
System...2-22
2.9 BANDWIDTH and CROSSTALK
...2-25
SECTION 3 — Applications
3.1
INTRODUCTION...3-1
3.2 THICK FILM RESISTOR NETWORK TESTING
...3-1
3.2,1 Four-terminal Ohms Measurements
...3-3
3.2.2 Voltage Divider
Checks...3-4
3.3 TRANSISTOR TESTING
... 3-6
3.3.1 Current Gain
Checks...3-6
3.3.2 Ie and Vbe Measurements
...3-8
SECTION 4 — Service Information
4.1
INTRODUCTION...
4-1
4.2 HANDLING AND CLEANING PRECAUTIONS
... 4-1
4.3 RELAY TEST PROGRAM SET-UP
...4-1
4.4 PERFORMANCE VERIFICATION
... 4-2
4.4.1 Environmental Conditions .
...4-2
4.4.2 Recommended
Equipment...4-3
4.4.3 Matrix Card Connections
...4-3
4.4.4 Path Resistance Tests
...4-3
4.4.5 Offset Current
Tests...4-4
4.4.6 Contact Potential
Tests...4-6
4.4.7 Path Isolation
Tests...4-7
4.4.8 Differential and Common Mode Isolation
Tests...4-9
4.5 PRINCIPLES OF
OPERATION...4-12
4.5.1 Card Identification
...4-12
4.5.2 Switching
Circuitry...4-12
4.5.3 Power Up
Safeguard...
4-12
4.6 SPECIAL HANDLING OF STATIC-SENSITIVE DEVICES
... 4-13
4.7
TROUBLESHOOTING...
4-13
4.7.1 Recommended
Equipment...4-13
4.7.2 Troubleshooting
Procedure...*...
4-13
SECTION 5 — Replaceable Parts
5.1
INTRODUCTION...
5-1
5.2 PARTS
LIST...5-1
5.3 ORDERING
INFORMATION...
5-1
5.4 FACTORY
SERVICE...5-1
5.5 COMPONENT LAYOUT AND SCHEMATIC
DIAGRAM... 5-1