基于ADS仿真的UHF频段RFID低噪声放大器设计
Simulation and Design of an UHF RFID Low Noise Amplifier Based on Simulation Software ADS
选用E-PHEMT晶体管ATF541M4，设计了一个UHF频段RFID低噪声放大器。应用微波仿真软件ADS对匹配电路进行了优化设计，通过S参数及谐波平衡仿真得到放大器的各项性能参数。在840~960MHz频率范围内噪声系数小于0.7dB，带内增益大于20dB，带内平坦度小于±0.5dB，输入输出驻波比小于1.5dB，1dB增益压缩点输入功率不小于-5dBm，三阶互调截点IIP3不小于10dBm。仿真结果表明，该设计完全满足性能指标要求。
n UHF RFID low noise amplifier is introduced by using E-PHEMT transistor ATF541M4. The matching circuits is optimized with the simulation software ADS. With the simulation of S parameters and harmonic balance ,the LNA exhibits operating bandwidth with 840~960MHz, noise figure less than 0.7dB, inband gain more than 20dB, gain flatness less than ±0.5dB, VSWR less than 1.5dB, input P1dB more than -5dBm, IIP3 more than 10dBm. The simulation results shows that the design meets the performance requirements.
王磊
微电子学、集成电路电子电路无线通信
低噪声放大器噪声系数超高频S仿真
low noise amplifiernoise figureUHFS simulation
王磊.基于ADS仿真的UHF频段RFID低噪声放大器设计[EB/OL].(2010-03-18)[2025-08-02].http://www.paper.edu.cn/releasepaper/content/201003-539.点此复制
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