MICRO MINIATURE RADIAL MULTI-POSITION SWITCH

Ventura, California – April, 2001 — 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 (P/N 567-5308) is a Micro Miniature Radial Multi-position (SP3T to SP6T) Switch that performs tip to 18 GHz. DC Characteristics include 24-32 VDC (28 VDC nominal operating current is 130 mA typical @ 20ºC), The switch is equipped with an actuator, providing a “normally open” mode of operation. Switching time is 15 Ms.

This extremely small switch provides, a basic building black for the manufacture of VXI and PX1 microwave switch modules. Up to 7 switches can be housed in a single C size VXIbus card slot. Due to its small size the cards can be designed with front panel plug-in switches. This plug-in concept allows the user to replace a switch without service interruption in other segments of the card. Specifications:

Frequency Range(GHz) DC – 3 3-8 8-12.4 12.4 – 18
VWR (max ) 1.20:1 1.30:1 1.40:1 1.50:1
Insertion Loss(max.) 0.20 dB 0.30 dB 0.40 dB 0.50 dB
Isolation (Min ) 80 dB 70 dB 60 dB 60 dB
RF POWER, WCW 50 35 25 10

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 http://dowkey.com

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Dow-Key Microwave Corporation, the world's largest manufacturer of electromechanical RF Switches and Switching Systems, is part of the Microwave Products Group (MPG), which is a subsidiary of Dover Corporation. We specialize in Coaxial Switches, Waveguide Switches, Space Qualified Switches, Electromechanical Switch Matrices, Solid State Switch Matrices, Fiber Optic Switch Matrices, Programmable Delay Lines and much more. Specializing in RF Matrix, Switch Matrix, and RF Switches.

As a leader in RF technology, Dow-Key offers high performance waveguide switches operating up to 70 GHz, coaxial switches operating up to 40 GHz, Hi-Rel switches such as SPDT, transfer switch, T-Switch, various waveguide switches and switching blocks, and switching systems such as SATCOM modules, RF matrices with individual switches, non-blocking crossbar, fan-in and fan-out modules, hybrid switching solution and much more (electromechanical, solid state and fiber optics), in addition to, custom switching designs and reliable solutions, as it is required in today's fast paced communication industry. Our products are used in a wide range of different markets, from commercial, military and to space, with applications in ATE, avionics, ground based, satellite communications, broadcasting, Hi-Rel, and many more. We are specialized in RF technology and custom switching needs. Dow-Key Microwave is AS9100 / ISO-9001:2008 certified and is committed to provide unparalleled customer service, competitive pricing and on-time delivery. Founded in 1945, Dow-Key is the oldest continuously operational RF Relay manufacturer in the United States.

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