Dow-Key Microwave Family of 40GHz RF

Ventura, CA (June 13, 2006)—Dow-Key Microwave Corporation, part of Dover Corporation’s Microwave Products Group, now offers a complete line of 40 GHz RF Switches. Designed to operate with high repeatability for both military and ATE applications, the newly introduced family of products provides users with a wide selection of 40 GHz RF switch options. The 40 GHz line includes SP6T Multiposition Coaxial Switches, DPDT (Transfer) Coaxial Switches, and SPDT Coaxial Switches.

“We are committed to providing our customers with the broadest array of high quality and reliable switch solutions to meet their diverse requirements,” said Adolf Cheung, general manager and vice president of sales and marketing for Dow-Key. “Our versatile family of 40 GHz switches can be configured for a variety of ATE and military applications.”

Standard with 2.9 mm RF connectors, all three switch offerings place an emphasis on superior reliability and phase and insertion loss repeatability. The SP6T Multiposition RF Switch has a switching time of 20 ms (max) and is offered with a normally open actuator. It can be equipped with coils designed for 12, 15, 24, and 48 volts. The DPDT (Transfer) Coaxial Switch also has a switching time of 20 ms (max) and features a latching or failsafe actuator. The SPDT Coaxial Switches have a switching time of 15 ms (max) and are offered with a latching or failsafe actuator. All DPDT and SPDT versions are available with actuator coils designed for 12, 15, 24, and 28 volts.

Technical Specification – SPDT Switches

Frequency Range (GHz)

DC-6

6-12

12-18

18-26.5

26.5-40

VSWR (max.)

1.3:1

1.4:1

1.5:1

1.7:1

1.9:1

Insertion Loss (dB max.)

0.3

0.4

0.5

0.7

0.8

Isolation (dB min.)

80

70

65

60

55

Technical Specification – DPDT (Transfer Switches)

Frequency Range (GHz)

DC-6

6-12

12-18

18-26.5

26.5-40

VSWR (max.)

1.3:1

1.4:1

1.5:1

1.7:1

1.9:1

Insertion Loss (dB max.)

0.3

0.4

0.5

0.7

0.9

Isolation (dB min.)

70

60

60

55

55

Technical Specification – SP6T Switches

Frequency Range (GHz)

DC-6

6-12

12-18

18-26.5

26.5-40

VSWR (max.)

1.3:1

1.4:1

1.5:1

1.7:1

1.95:1

Insertion Loss (dB max.)

0.3

0.4

0.5

0.7

0.95

Isolation (dB min.)

70

60

60

55

50

Through its on-site performance and environmental testing labs, Dow-Key administers all final testing utilizing state-of-the-art equipment. Environmental test capabilities include temperature, thermal shock, acceleration, mechanical shock, thermal vacuum and both random and sine vibration. This ensures a reliable, quality, RF switching solution for its customers. 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.

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