在灰狼优化器辅助下融合设计具有高带外抑制能力的低温滤波低噪声放大器

0 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE microwave and wireless technology letters Pub Date : 2024-09-02 DOI:10.1109/LMWT.2024.3443852

Hongliang Tian;Haiwen Liu;Zeren Song;Sidong Wang;Ruolin Wang;Shaofei Wang;Chao Du

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引用次数: 0

摘要

本信介绍了一种采用 100 纳米 InP 技术的低温滤波低噪声放大器 (LNA)。采用融合设计方法将滤波功能无缝集成到 LNA 中，同时不增加无关噪声或占用过多芯片面积。采用灰狼优化（GWO）算法提高了设计效率，优化了电路性能。实验结果表明，4-8-GHz 滤波低噪声放大器在 5 K 时的增益为 33.6 ± 1.5 dB，平均噪声温度为 4.8 K，4.4 GHz 时的最低噪声温度为 3.5 K。由于产生了多个零点，0-2 GHz 的带外抑制超过 60.7 dB，12-30 GHz 的带外抑制为 50.9 dB。

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Fusion Design of Cryogenic Filtering Low-Noise Amplifier With High Out-of-Band Rejection Assisted by Grey Wolf Optimizer

A cryogenic filtering low-noise amplifier (LNA) using 100-nm InP technology is presented in this letter. Fusion design method is utilized to incorporate filtering functionality seamlessly into LNA without adding extraneous noise and or occupying excessive chip area. The grey wolf optimization (GWO) algorithm is employed to increase the design efficiency and optimize the circuit performance. Experimental results demonstrate the 4–8-GHz filtering LNA at 5 K achieves a gain of 33.6 ± 1.5 dB and an average noise temperature of 4.8 K with a minimum noise temperature of 3.5 K at 4.4 GHz. Multiple zeroes are generated, leading to an out-of-band rejection of over 60.7 dB across 0–2 GHz and 50.9 dB from 12 to 30 GHz.

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来源期刊

IEEE microwave and wireless technology letters

CiteScore

6.00

自引率

0.00%

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