J. Semicond. > 2008, Volume 29 > Issue 10 > 2034-2037

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A Microstrip Switch with Isolation Better than 95dB at Ku-Band

Yuan Tingting, Chen Xiaojuan, Chen Zhongzi, Yao Xiaojiang, Li Bin and Liu Xinyu

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Abstract: This paper presents a microstrip switch using pin diodes for Ku-band applications. At high frequency, especially for millimeter-wave applications, it is hard to obtain a switch with high-isolation, so this paper makes an effort to develop isolation of the switch using a novel topology that contains multiple unit cells and optimizes parameters of the unit cell circuit. The isolation of the fabricated switch is better than 95dB from 15.75 to 16.25GHz, the insertion loss is less than 4dB, S11 is better than -12dB,S22 is better than -20dB, and the entire circuit size is only 34mm×11mm×5mm.

Key words: microwave switch pin-diode high-isolation Ku-band

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    Received: 18 August 2015 Revised: 29 May 2008 Online: Published: 01 October 2008

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      Yuan Tingting, Chen Xiaojuan, Chen Zhongzi, Yao Xiaojiang, Li Bin, Liu Xinyu. A Microstrip Switch with Isolation Better than 95dB at Ku-Band[J]. Journal of Semiconductors, 2008, 29(10): 2034-2037. ****Yuan T T, Chen X J, Chen Z Z, Yao X J, Li B, Liu X Y. A Microstrip Switch with Isolation Better than 95dB at Ku-Band[J]. J. Semicond., 2008, 29(10): 2034.
      Citation:
      Yuan Tingting, Chen Xiaojuan, Chen Zhongzi, Yao Xiaojiang, Li Bin, Liu Xinyu. A Microstrip Switch with Isolation Better than 95dB at Ku-Band[J]. Journal of Semiconductors, 2008, 29(10): 2034-2037. ****
      Yuan T T, Chen X J, Chen Z Z, Yao X J, Li B, Liu X Y. A Microstrip Switch with Isolation Better than 95dB at Ku-Band[J]. J. Semicond., 2008, 29(10): 2034.

      A Microstrip Switch with Isolation Better than 95dB at Ku-Band

      • Received Date: 2015-08-18
      • Accepted Date: 2008-04-03
      • Revised Date: 2008-05-29
      • Published Date: 2008-11-11

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