34980A User’s Guide ix
6 General Purpose Switch Modules
General Purpose Switch Modules 188
34937A and 34938A SCPI Programming Examples 190
34937A 32-Channel GP Switch 192
34937A Simplified Schematic 192
34937A D-Sub Connectors 193
34937T Terminal Block 194
34938A 20-Channel High-Current GP Switch 195
34938A Simplified Schematic 195
34938A D-Sub Connectors 196
34938T Terminal Block 197
7 RF Multiplexer Switch Modules
34941A and 34942A RF Multiplexer Switch Modules 200
Installing SMA Connectors 201
Isolating Connector Banks 201
34941A and 34942A SCPI Programming Examples 202
34941A and 34942A Simplified Schematic 203
8 Microwave Switch/Attenuator Driver
34945A Microwave Switch/Attenuator Driver 206
Recommended Switches and Attenuators 210
Power Supplies 211
Channel Numbering 212
Simple Switch Control 213
Remote Module Identifiers 214
Drive Modes 214
Using Single Drive Switches and Attenuators 215
Using Dual Drive Switches and Attenuators 216
Using Pulse Drive 217
Long Execution Times 218
Verifying Switch State 218
LED Drive 220
Default and Reset States 221
Distribution Boards 224
Mounting the Remote Modules 257
SCPI Programming Examples 258
9 Dual/Triple Microwave Switch Modules
34946A and 34947A Dual/Triple Microwave Switch Modules 262
34946A and 34947A SCPI Programming Examples 263
Installing SMA Connectors 264
34946A and 34947A Simplified Schematics 264