
Page 1.1
12 X 8 RF MATRIX MODULE 40-726A
pickering SECTION 1 - TECHNICAL SPECIFICATION
SECTION 1 - TECHNICAL SPECIFICATION
pickeringtest.com
PXI 12x8 RF Coaxial Matrix 40-726A
ISSUE 11.3 JUN 2021
Supported by
eBIRST
The 50 Ω non-loop thru version of the 40-726A is supported by
eBIRST switching system test tools. These simplify switching
system fault-finding by quickly testing the system and
graphically identifying the faulty relay.
For more information go to: pickeringtest.com/ebirst
y12x8 RF Coaxial Matrix
yUp to 300 MHz Bandwidth
y50 Ω and 75 Ω Versions Available
yEasy To Use Loop Thru Options, Enabling Simple
Expansion Via Built-In Cabling With No Hidden
Expense
yHigh Density SMB Coaxial Connectors
y75 Ω Version Suitable for Telecoms and High
Quality Video Switching
yVISA, IVI & Kernel Drivers Supplied for Windows
ySupported by PXI or LXI Chassis
ySelected Builds Supported by
eBIRST
™
y3 Year Warranty
12x8 Coaxial Matrix Schematic Diagram
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
X1
X2
X3
X4
X5
X6
X7
X8
ISOLATION
SWITCH
X9
X10
X11
X12
MATRIX
CROSSPOINT
The 40-726A is a 12x8 RF matrix module suitable for switching
frequencies up to 300 MHz. It is available in either 50 Ω or 75 Ω
versions with front panel SMB coaxial connectors. The module
provides a simple and scalable bidirectional matrix for RF
frequencies and is intended for the easy construction of high
performance matrix switching systems.
All X and Y connections have isolation switches. These can be
used to disconnect the matrix from the external test fixture to
maximize isolation and RF performance.
Matrix Operation
The 40-726A is a true 12x8 high density matrix, any
combination of crosspoints may be selected. Only the signal is
switched, all grounds are common.
This module is based on the same construction as the popular
40-725 RF matrix module, but has increased capacity and
optional built in loop thru on the Y axis to allowing easy
expansion with a minimum loss of bandwidth.
Schematic Showing
Construction of a 36x8 RF
Matrix (Loop-Thru cables
interconnect each 12x8
Matrix module)
X1
X2
X3 X4
X5
X6 X7
X8
X9 X10
X11
X12 Y1
Y2
Y3 Y4
Y5
Y6 Y7
Y8
pickering
YLT
X1
X2
X3 X4
X5
X6 X7
X8
X9 X10
X11
X12 Y1
Y2
Y3 Y4
Y5
Y6 Y7
Y8
pickering
YLT
X1
X2
X3 X4
X5
X6 X7
X8
X9 X10
X11
X12 Y1
Y2
Y3 Y4
Y5
Y6 Y7
Y8
pickering
40-726-511/751-L 40-726-511/751
40-726-511/751-L
X1
X2
X3 X4
X5
X6 X7
X8
X9 X10
X11
X12 Y1
Y2
Y3 Y4
Y5
Y6 Y7
Y8
pickering
YLT
1 3 5 7
2 4 6 8
40-726-511/751
X1
X2
X3 X4
X5
X6 X7
X8
X9 X10
X11
X12 Y1
Y2
Y3 Y4
Y5
Y6 Y7
Y8
pickering
Y Axis Loop Thru Option
The easy to use loop thru
option allows 40-726A
modules to be cascaded to
form larger matrices whilst
minimizing impact on RF
performance, for example
8 modules can be used to
construct a 96x8 matrix with
bandwidth preserved at over
200 MHz.
These versions have built
in Y loop-thru cables fitted
to the front panel which are
simply plugged into the Y
connectors of the adjacent
matrix module.
Other RF Matrix Modules in Pickering’s PXI Range:
40-725 8x9 500 MHz, 50 Ω/75 Ω
40-727 16x4 300 MHz, 50 Ω/75 Ω - Optional Y Loop-Thru
40-728 16x2 300 MHz, 50 Ω/75 Ω - Optional Y Loop-Thru
40-729 8x4 300 MHz, 50 Ω/75 Ω - Optional Y Loop-Thru
40-750 8x2 1.5 GHz, 50 Ω/75 Ω - Y Loop-Thru
40-872 single/dual 2x2 3 GHz, 50 Ω
40-832 single/dual 2x2 3 GHz, 75 Ω
45-720A 6U, 16x16 250 MHz, 50 Ω/75 Ω - Y Loop-Thru
Alternative LXI Ethernet Controlled RF Matrices:
60-760 Single/Dual 24x8 25 MHz, 50 Ω
60-711 Single/Dual 24x8 25 MHz, 75 Ω
60-110 Scalable 24x8 to 104x16 200 MHz, 50 Ω