A Hybrid Transformer-Based CMOS Duplexer With a Single-Ended Notch-Filtered LNA for Highly Integrated Tunable RF Front-Ends

IEEE Microwave and Wireless Components Letters（2018）

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摘要

A hybrid transformer-based CMOS tunable duplexer with a single-ended blocker-tolerant low-noise amplifier (LNA) is proposed for a highly integrated reconfigurable RF front-end architecture. The proposed LNA adopts Q-enhanced LC notch filter at the source of the cascode device and LC bandpass filter at the load. It improves the blocker tolerance and linearity of the receiver by rejecting unwanted o...

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关键词

Low-noise amplifiers,Radio frequency,Notch filters,Frequency measurement,Linearity,Tunable devices,Band-pass filters

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