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A Microwave Limiter with Non-reciprocal Limiting Threshold
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  • Jian Shen,
  • Jibin Liu,
  • Mingtuan Lin,
  • Zhangfeng Wu,
  • Shixiong Deng
Jian Shen
National University of Defense Technology

Corresponding Author:onlysj1994@163.com

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Jibin Liu
National University of Defense Technology
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Mingtuan Lin
National University of Defense Technology
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Zhangfeng Wu
National University of Defense Technology
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Shixiong Deng
National University of Defense Technology
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Abstract

A novel microwave limiter with non-reciprocal limiting threshold is proposed in this paper to protect the transceiver switch or the transmitter. The directivity of the directional coupler is utilized to make the power of the received signal input to the detection circuit larger than that of the transmitted signal, thereby the detection circuit provides different DC bias voltage to the limiter circuit and changes the threshold level of the limiter diode. The test results show that this limiter has a threshold level of 35 dBm for the transmitted signal and 17 dBm for the received signal, which has a non-reciprocal limiting threshold for high-power signals input in both directions.
16 Nov 2022Submitted to Electronics Letters
16 Nov 2022Submission Checks Completed
16 Nov 2022Assigned to Editor
28 Nov 2022Reviewer(s) Assigned
04 Jan 2023Review(s) Completed, Editorial Evaluation Pending
09 Jan 2023Editorial Decision: Accept