A 24-GHZ active SPST MMIC switch with InGaP/GaAS HBTS

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A 24-GHz single-pole, single-throw (SPST) switch with high isolation is designed using InGaP/GaAs HBT process. To obtain high isolation in an off state, cascode structures are utilized and an additional shunt transistor is introduced in an output, which helps to reject a leakage signal. Dummy cascode structure is used as a current steering circuit for input matching and short rise/fall time. The fabricated SPST switch shows an effective isolation of similar to 52 dB at 22.8 GHz and 41 dB at 24 GHz. (C) 2008 Wiley Periodicals, Inc.
Publisher
Wiley-Blackwell
Issue Date
2008-08
Language
English
Article Type
Article
Citation

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.50, no.8, pp.2155 - 2158

ISSN
0895-2477
DOI
10.1002/mop.23606
URI
http://hdl.handle.net/10203/89456
Appears in Collection
EE-Journal Papers(저널논문)
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