34905A/6A Dual 4-Channel Rf Multiplexers - Agilent Technologies 34901A User Manual

Chapter 4 Features and Functions

34905A/6A Dual 4-Channel RF Multiplexers

34905A/6A Dual 4-Channel RF Multiplexers
These modules consist of two independent 4-to-1 multiplexers.
The channels in each bank are organized in a "tree" structure to provide
high isolation and low VSWR . Both banks have a common earth ground.
This module does not connect to the internal DMM . You can connect
your signals directly to the on-board SMB connectors or to the
SMB -to- BNC cables provided with the module.
Bank Switch
Bank Switch
NOTES:
•
The 34905A is used for 50
•
You can close only one channel per bank at a time on these modules; closing one channel
in a bank will open the previously closed channel. One channel in each bank is always
connected to COM.
•
This module responds only to the CLOSE command (OPEN does not apply). To OPEN a
channel, send the CLOSE command to another channel in the same bank.
172
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11
12
98
Com1
13
14
21
22
99
Com2
23
24
Ω
applications. The 34906A is used for 75
Ω
applications (mini SMBs) .