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Ultrafast Low-Loss 42–70 GHz Differential SPDT Switch in 0.35 \mu m SiGe Technology

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2 Author(s)
Thian, M. ; ECIT Inst., Queen''s Univ. Belfast, Belfast, UK ; Fusco, V.F.

This paper presents an ultrafast wideband low-loss single-pole double-throw (SPDT) differential switch in 0.35 m SiGe bipolar technology. The proposed topology adopting current-steering technique results in a total measured switching time of 75 ps , which suggests a maximum switching rate of 13 Gb/s, the fastest ever reported at V-band. In addition, the switch exhibits an insertion loss lower than 1.25 dB and an isolation higher than 18 dB from 42 GHz to 70 GHz.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:60 ,  Issue: 3 )