Low cost W-band SPST PIN diode switch by Q-MMIC technology
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State Key Laboratory of Millimeter Waves,Southeast University,State Key Laboratory of Millimeter Waves,Southeast University,State Key Laboratory of Millimeter Waves,Southeast University

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    Abstract:

    A high performance PIN diode single-pole-single-throw (SPST) switch for W-band application using a low cost approach was developed. By utilizing flip-chip PIN diodes mounted onto a separately fabricated passive circuit having a quartz substrate, a W-band quasi-monolithic millimeter-wave integrated circuit (Q-MMIC) switch was achieved. A 3-D PIN diode model and a compensation structure were adopted to acquire a low loss and high isolation switch. The measurement results show the minimum insertion loss is about 0.5 dB at 88 GHz and less than 2 dB over the frequency range of 80 to 101 GHz. The isolation is greater than 30 dB from 84 to 105 GHz. The total size of the switch is 1.5 mm× 3.0 mm.quasi-monolithic millimeter-wave integrated circuit(Q-MMIC),

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XU Zheng-Bin, XU Jie, QIAN Cheng. Low cost W-band SPST PIN diode switch by Q-MMIC technology[J]. Journal of Infrared and Millimeter Waves,2015,34(6):680~683

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History
  • Received:October 04,2014
  • Revised:September 28,2015
  • Adopted:April 30,2015
  • Online: December 01,2015
  • Published: