Ventura, California — January, 2002 – Dow-Key Microwave (a subsidiary of Dover Corp., NYSE:DOV), is an ISO 9001 Certified manufacturer of Electromechanical Coaxial and Waveguide switches, Switch Matrices, Integrated Modular Assemblies, and related Passive components, introduces a new family of electromechanical matrices based on a CANbus (Controller Area Network) interface. The CANbus interface provides simplicity and flexibility to the everincreasing complexity of today”s switch matrices. Developed specifically for the ATE market, the product line includes a Full Access (Fan-out) switch matrix that is designed to cover all present and future frequency bands for wireless applications.

There are 3 basic configurations of CANbus switch matrices: PN 2501 – a standard 6 x 6 with 6 input and 6 output SP6T switches; PN 2502 – a 6 x 6 Full Access (Fan-out) with 6 input broadband power dividers and 6 output SP6T switches; and PN 2503 – a 6 x 6 Full Access (Fan-out) with 6 input low noise amps, 6 input broadband power dividers, and 6 output SP6T switches.

Typical Specifications:

Model 2501 2502 2503
Frequency (GHz) DC to 18 .8 to 4 .8 to 4
VSWR (Max.) 1.8:1 1.7:1 2.0:1
Insertion Loss (Max.) 4 dB 10.5 dB 15 dB (gain)
Isolation (Min.) 85 dB 60 dB 60 dB
RF Power (CW) 25 10 -10 dBn

Dow-Key”s product line of switches range from Single-Pole Single-Throw to Single-Pole 14-Throw as well as Transfer, Inline models, Waveguide designs, Switch Matrices, Integrated Modular Assemblies, and related passive components. For more information, call the Dow-Key Sales Department at (805) 650-0260 or visit our web site at

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