Ventura, California – February, 2005

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. Its newest product is a space-qualified Miniaturized SP3T Switch.

This unit (P/N 431HC-730822) offers a perfect solution for S-Band and C-Band redundancy systems. Maximum weight is 98 grams. DC Characteristics include 24-30 VDC (28 VDC nominal) operating voltage and 400 mA (max) operating current @ 28 VDC and 20ºC. Equipped with a random latching actuator, this device switches in less than 20 ms. The unit can handle an average power of 30 W at 4 GHz.



Frequency Range (GHz) DC – 4.2 4.2 – 6.6
VSWR (max.) 1.15:1 1.20:1
Insertion Loss(dB max.) 0.15 0.20
Isolation: (dB Min.) 70 65

Dow-Key”s product line ranges from single-pole single-throw to single-pole 14-throw, Transfer, Inline, Waveguide switches as well as Switch Matrices, and Integrated Modular Switch Assemblies. For more information, call the Dow-Key Sales Department at (805) 650-0260 or visit our web site at http:/