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Keithley - 7076 - Interface
Manufacturer:
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.

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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

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