“ENGINEERED FOR LIFE” SPDT LATCHING SWITCH

Ventura, California – August, 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 26.5 GHz SPDT Latching Switch featuring an operating life of 5 million cycles. DC characteristics include 24-32 VDC (28 VDC nominal), operating current is 110 mA typical @ 20ºC. Equipped with a latching actuator, this device switches in 15 ms (max).

Dow-Key’s innovative design and strict control of the manufacturing processes enhanced by sophisticated quality control ensures that each switch performs within warranty specifications for its entire life. This “Engineered for Life” SPDT Switch is targeting the ATE market.

Typical RF Performance (P/N401KW-3308):

Frequency Range (GHz) DC – 4 4-8 8-12 12-18 18-26.5
VSWR (max.) 1.15:1 1.2:1 1.3:1 1.4:1 1.5:1
Insertion Loss (dB Max.) 0.15 0.1 0.3 0.4 0.5
Isolation (dB Min.) 80 70 65 60 55
RF Power, WCW 100 70 60 45 25

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.

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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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