DC-20 GHz N*M passive switches

Schindler, Fred; Miller, M.E.; Simon, K.M.

doi:10.1109/22.17391

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2012

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Cited by 26 publications

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“…However, these switches using quarter‐wave transmission line for impedance transformation require large chip size and have limited operating band in the low frequency range and dc. The series‐shunt switch topology used a series transistor to replace the quarter‐wave transmission line which can provide operating band to dc [5, 6].…”

Section: Introductionmentioning

confidence: 99%

DC–20‐GHz compact SPQT switch for butler matrix switched beam smart antenna system

Tsai

Shih

2012

Micro & Optical Tech Letters

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A DC–20‐GHz broadband and compact single‐pole‐quadruple‐throw (SPQT) switch for Butler matrix switched beam smart antenna system application has been designed and fabricated on 0.15‐μm GaAs pHEMT process. By adopting inductive high impedance transmission lines in series‐shunt switch topology, the SPQT switch demonstrates an insertion loss of 1.25–3.53 dB from DC to 20 GHz, and the isolation is higher than 22 dB with a compact chip size of 1.5 mm2. The measured output 1 dB compression point (OP1 dB) is 16 dBm at 12 GHz. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2023–2026, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26993

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Section: Introductionmentioning

confidence: 99%