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This paper proposes a new 60-GHz single-pole-double-throw (SPDT) switch. It is designed in a 1.2-V 130-nm bulk CMOS and has a small core area of 222 μm × 92 μm. The switch exhibits measured insertion loss of 1.7 dB, isolation of 22 dB, input return loss of 20 dB, output return loss of 14 dB, and simulated power-handling capability of 13.8 dBm at 60 GHz. The proposed SPDT switch demonstrates such superior performances and consumes a much smaller die area to those of other SPDT switches, and therefore has potential to be used in highly integrated 60-GHz CMOS radios.
Microwave Theory and Techniques, IEEE Transactions on (Volume:60 , Issue: 10 )
Date of Publication: Oct. 2012