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 http://www.dowkey.com.
