VTI Instruments Corp.
120 EX1200-6101 Plug-in Module
EX1200-6101
P
LUG
-
IN
M
ODULE
10
SP4T
RF
M
ULTIPLEXERS
,
1.3
GH
Z
The EX1200-6101 is a high-density RF switch module with ten individual SP4T coaxial trees that
are isolated from each other and system ground to provide a high-fidelity switch path for
switching signals in excess of 1.3 GHz. Excellent crosstalk and isolation is maintained by using
very short low-loss coaxial runs from the connector directly to the relays. All modules are also
configured to avoid any unterminated stub effects, improving overall signal integrity and allowing
for high frequency matrix designs and large multiplexer configurations while preserving
bandwidth and maintaining low VSWR. The front panel utilizes two high-density, 26-pin coaxial
connectors designed for high reliability and low insertion loss.
Six of the modules can be accommodated in a 1U EX1200 full rack mainframe to provide a very
flexible RF switch network. For example, a single module can be configured through external
cabling to provide dual 1 x 16 multiplexers into two channels of a scope, or as a single 4 x 4 RF
matrix. The modules can also be combined with other EX1200 switch cards to configure a general
purpose subsystem to switch dc to > 1.3 GHz.
The EX1200-6101 can be controlled programmatically using IviSwtch-compliant calls. Both path
level programming and individual relay control are available. Refer to the host driver
documentation for additional details.
380H
Figure 4-0 provides a logical diagram of the switch module
and identifies the switches used by the module. This information can be used for individual relay
control through the driver. Both single-wire and two-wire programming modes are available.
C
ONNECTOR
P
INS AND
S
IGNALS
F
IGURE
4-49:
EX1200-6101
F
RONT
P
ANEL
(F
RONT
V
IEW
)
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