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Table of Contents
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 .............................................................................. 3-7
Summary of Contents for 7999-4
Page 1: ...Contains Operating and Servicing Information Model 7999 4 Microwave Switch Instruction Manual...
Page 12: ...1 GeneralInformation...
Page 16: ...2 Connections...
Page 22: ...3 Operation...
Page 25: ...3 4 Operation 1 1 Figure 3 2 Jumper location...
Page 29: ...4 ServiceInformation...
Page 34: ...5 ReplaceableParts...
Page 38: ......
Page 41: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...