Equipment information

Keithley 7076 Interface
Manufacturer:
Model:
7076
Date:
1991
Category:
Group:
Description:
General Purpose Matrix Card

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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Service and User Manual
Manual Type:
Service and User Manual
Pages:
72
Size:
3.36 Mbytes (3520512 Bytes)
Language:
english
Revision:
B
Manual-ID:
7076-901-01
Date:
Quality:
Scanned document, all readable.
Upload date:
2014 03 02
MD5:
4ff8ecfed5ca8e01d2c7ecb3e30bce73
Downloads:
567
Service and User Manual
Manual Type:
Service and User Manual
Pages:
72
Size:
3.21 Mbytes (3364153 Bytes)
Language:
english
Revision:
B
Manual-ID:
7076-901-01
Date:
1991 04 01
Quality:
Scanned document, all readable.
Upload date:
2018 08 25
MD5:
82d5957dfb41ff4fbc20adad80edecdd
Downloads:
422

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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Datasheet
Manual Type:
Datasheet
Pages:
1
Size:
199.90 Kbytes (204696 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2014 03 07
MD5:
9350e79716cb007c86d6bd7a3720cee4
Downloads:
589