Ventura, California – September, 2003

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 high power, high shock 18 GHz SPDT Switch with SMA connectors. DC characteristics include 24-32 VDC (28 VDC nominal operating current is 300 mA typical @ 20ºC) operation. Equipped with a failsafe actuator, this device switches in 15 ms (max).

Dow-Key’s innovative design of the RF contacts and high power SMA connectors allows for a dramatic increase of power handling. In the X-Band application, the switch is able to handle CW power exceeding 130W and peak power 400W. This switch is designed to withstand a mechanical shock level of 100 g – 6 ms, pyrotechnic shock up to 2000 g, and random vibration exceeding 20 g rms.


Typical RF Performance (P/N 401A-630832):

Frequency Range (GHz) DC – 4 4-8 8-12 12-18
VSWR (max.) 1.15:1 1.25:1 1.35:1 1.45:1
Insertion Loss (dB Max.) 0.15 0.25 0.35 0.45
Isolation (dB Min.) 80 70 65 60
RF Power, WCW 200 160 130 90

Dow-Key”s product line of switches range from single-pole single-throw to single-pole 14-throw as well as Transfer, Inline, Waveguide, 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 https://www.dowkey.com.