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Satnews Daily
August 4th, 2014

Dow-Key® Microwave Corporation—Switch Is On For Qualification...

[SatNews] Dow-Key® Microwave Corporation has debuted their 511H-Series high power T-switch, which has been qualified and supplied to various domestic and international space programs, for  military and commercial use.

Artistic rendition of India's advanced weather satellite, INSAT-III.

The 511H-Series switch has been qualified for the INSAT III program, which is a multipurpose satellite design providing telecommunication, television broadcasting, meteorological and search and rescue services. With a heritage of more than 12 years, today’s 511H-Series design is offered with 1.5kW peak power at UHF-band, 300W peak power both at L- and S-band, and 200W peak power at C-band. In addition to the T-switch' superior RF performance and lightweight design, the 511H-Series minimizes the switching time by using random access drive and it is available in various mounting configurations.

The 511H-Series switch has low VSWR (1.25, slightly higher at C-band), high isolation (60dB) and the low weight version weighs only 210 grams. The switches have an operating life of 100,000 meeting the requirements for space applications.

For more information, please visit the Dow-Key infosite at http://www.DowKey.com/