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RF Switch Specifications 39
Appendix A
Appendix A
RF Switch Specifications
Configuration:
80 signal connections
60 inputs (channel numbers xx0 through xx2)
20 commons (channel numbers COMxx)
One 60:1, two 30:1,... up to 20 3:1 multiplexers
can be configured
3dB Bandwidth:
3:1 Multiplexer: 500 MHz
30:1 Multiplexer: 200 MHz (30:1 specifications apply
for channels 000 - 132 to COM05 or
channels 200 - 332 to COM25
multiplexers)
60:1 Multiplexer: 100 MHz
Terminated Isolation:
10 MHz: 80 dB
100 MHz: 60 dB
200 MHz: 50 dB
500 MHz: 40 dB
VSWR (Voltage Standing Wave Ratio) for a 3:1
Multiplexer:
100 MHz: 1.4
200 MHz: 1.45
500 MHz: 1.7
VSWR (Voltage Standing Wave Ratio) for a 30:1
Multiplexer:
200 MHz: 1.5
(30:1 muxs are channels 000 - 132 to COM05 or
channels 200 - 332 to COM25 multiplexers)
VSWR (Voltage Standing Wave Ratio) for a 60:1
Multiplexer:
100 MHz: 1.5
Characteristic Impedance:
50
Ω
Power Consumption:
+5 Volt power supply, 3.5A (all relays closed)
Relay Ratings:
Maximum RF Power: 10W
Switch Life: no load: 5x10
6
closures
0.01A @ 24 Vdc: 3x10
5
closures
10 Watts RF: 1x10
5
closures
A16 Register-based device:
A16 Register-based Slave-only device as defined in the
VMEbus standard and the VXIbus specification, rev. 1.4.
Power-on/Reset State:
Channel xx0 connected to COMxx. Channel 0 in each 3:1
is connected to its respective common.