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Keithley 7999-4 Interface
Manufacturer:
Model:
7999-4
Date:
1999
Class:
Type:
SubType:
SPDT Microwave RS-232 Switch

Information

The Model 7999-4 is a single channel Microwave SPDT switch with the following features: • SMA connectors • RS-232 relay control • +12V DC power connections • Operating range from DC to 18GHZ

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Service and User Manual
Manual type:
Service and User Manual
Pages:
41
Size:
542.00 Kbytes (555008 Bytes)
Language:
english
Revision:
B
Manual-ID:
7999-4-901-01
Date:
unknown
Quality:
Electronic document, no scan, very well readable.
Upload date:
2014 03 02
MD5:
10cfe6f0ef3f221a3c1bd88c6e6c7e1d
Downloads:
690

Information

1 General Information Introduction ... 1-2 Feature overview ... 1-2 Warranty information ... 1-2 Manual addenda ... 1-2 Safety symbols and terms ... 1-3 Specifications ... 1-3 Unpacking and inspection ... 1-3 Inspection for damage ... 1-3 Handling precautions ... 1-3 Shipment contents ... 1-4 Instruction manual ... 1-4 Repacking for shipment ... 1-4 Connections ... 1-4 2 Connections Introduction ... 2-2 Handling precautions ... 2-2 Configuration ... 2-2 Layout ... 2-2 Simplified schematic ... 2-4 Connections ... 2-5 RS-232 Connection ... 2-5 SMA connectors ... 2-6 Power connector ... 2-6 3 Operation Introduction ... 3-2 Maximum signal considerations ... 3-2 Toggle relay state switch ... 3-2 Operation (RS-232) ... 3-3 Sending and receiving data ... 3-3 Termination characters ... 3-3 RS-232 Commands ... 3-5 Switching considerations ... 3-6 Connector integrity ... 3-6 Voltage standing wave ratio ... 3-6 Path isolation ... 3-6 Insertion loss ... 3-7 RFI/EMI 4 Service Information Introduction ... 4-2 Handling and cleaning precautions ... 4-2 Handling precautions ... 4-2 Card and connector cleaning ... 4-2 Performance verification ... 4-3 Environmental conditions ... 4-3 Recommended equipment ... 4-3 Channel resistance tests ... 4-3 Replacing components ... 4-5 Replacement parts ... 4-5 Replacement precautions ... 4-5 Soldering considerations ... 4-5 Disassembly ... 4-5 5 Replaceable Parts Introduction ... 5-2 Parts list ... 5-2 Ordering information ... 5-2 Factory service ... 5-2 Component layout ... 5-3

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