Specifications

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CXM MULCXM MUL

CXM MUL

TIPLEXERS and MATIPLEXERS and MA

TIPLEXERS and MA

TRICESTRICES

TRICES

Fig. 2 CXM/64 Mainframe configured as two independent 29x1 Multiplexers

Fig. 3 4x4 Matrix Using Eight CXM/4x1 Switches

Bidirectional NxM Matrices are assembled by interconnecting

the required number of individual microwave switches as

shown in Fig. 3. The matrix is nonblocking, but not full fanout.

Nonblocking means that any input can be connected to any

output without interrupting a previously set path. When a

matrix is not full fanout, an input may be switched to only one

output. Matrix configurations from 2x2 to 8x8 or larger are

possible. The switches and interconnects are assembled

inside the chassis. The input and output connectors (typi-

cally SMAs) are mounted on the rear panel.

CXM MACXM MA

CXM MA

TRICESTRICES

TRICES

CXM MULCXM MUL

CXM MUL

TIPLEXERSTIPLEXERS

TIPLEXERS

Standard CXM Switch Modules are bidirectional, failsafe, Nor-

mally Open switches with a bandpass of DC to 18 GHz. Con-

figurations from 1x2 to1x10 are available and SMA connec-

tors are standard. Optional features include: Failsafe de-

fault to port 1 closed, latching actuators, TNC or N connec-

tors, unused input ports terminated to 50 ohms and higher

power handling capability. Standard CXM Switch Modules

are listed below.

SWITSWIT

SWIT

CH MODULES SPECIFICACH MODULES SPECIFICA

CH MODULES SPECIFICA

TIONSTIONS

TIONS

Microwave Switch Specifications vary depending on options.

The following are typical.

1 GHz 18 GHz

Insertion Loss 0.3 dB 0.8dB

Isolation -80dB -60dB

VSWR <1.2:1 <1.5:1

Switching Time <15ms <15ms

Specifications are for switches only. Cableing or connec-

tor options will decrease certian specifications. Call for

specifications on assembled systems.

CXM SWITCXM SWIT

CXM SWIT

CH CH

MODULESMODULES

MODULES

CXM/6x1-F-SMA

Fig. 4 16x1 Multiplexer using five CXM/4x1 Switches

Nx1 Multiplexers are assembled from standard CXM Chas-

sis by interconnecting microwave switch modules as shown

schematically in Fig. 4. The interconnects are typically semi-

rigid coaxial cables and are wired on the rear panel as shown

in Fig. 2.

CXM/1X2 SWITCXM/1X2 SWIT

CXM/1X2 SWIT

CH MODULECH MODULE

CH MODULE

This is a SPDT Microwave Relay. Op-

tions include connector type, higher power

handling capability and unused port ter-

mination and latching versions.

CXM/1X4 SWITCXM/1X4 SWIT

CXM/1X4 SWIT

CH MODULECH MODULE

CH MODULE

CXM/1X6 SWITCXM/1X6 SWIT

CXM/1X6 SWIT

CH MODULECH MODULE

CH MODULE

This is the same as above, but is a SP6T

configuration.

CXM/1X8 SWITCXM/1X8 SWIT

CXM/1X8 SWIT

CH MODULECH MODULE

CH MODULE

This is the same as above, but is a SP8T

configuration.

CXM/2x1-F-SMA

CL8-CL8-

CL8-

VHP DISPLAVHP DISPLA

VHP DISPLA

Y/DRIVER MODULEY/DRIVER MODULE

Y/DRIVER MODULE

The CXM/64 and CXM/128 Chassis require one CL8-VHP per

every eight switch points. These modules control the micro-

wave switches and have LEDs that show switch point status

and are visible through the chassis front panel.

44332211

INPUTSINPUTS

OUTPUTS

CXM-1

CXM/1X10 SWITCXM/1X10 SWIT

CXM/1X10 SWIT

CH MODULECH MODULE

CH MODULE

This is the same as above, but is a SP10T

configuration.

This is the same as above, but is a SP4T

configuration.

CLE16-CLE16-

CLE16-

VHP DISPLAVHP DISPLA

VHP DISPLA

Y/DRIVER MODULEY/DRIVER MODULE

Y/DRIVER MODULE

The CXM/256 Chassis require one CLE16-VHP per every 16

switch points. These modules control the microwave switches

and have LEDs that show switch point status and are visible

through the chassis front panel.