3.8mW, 3.5-4GHz再生型FM-UWB接收机，利用宽带LNA和双带通滤波器增强线性度

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2012-11-01 DOI:10.1109/RFIT.2012.6401643

Fei Chen, Wei Zhang, W. Rhee, Jongjin Kim, D. Kim, Zhihua Wang

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引用次数: 6

摘要

在65nm CMOS中实现了一种具有宽带信号接收和线性FM-AM转换的低功率再生FM-UWB接收机，用于短距离通信系统。与传统的采用窄带LNA的再生式FM-UWB接收机不同，该接收机采用宽带LNA和双带通滤波器(BPF)来改善FSK解调，BPF的Q要求放宽。3.5-4GHz FM- uwb接收机由堆叠LNA、双bpf、两个包络检测器和一个减法器组成，通过100kb/s FM- uwb发射机的无线传输成功实现调频解调，总功耗为3.8mW。

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A 3.8mW, 3.5–4GHz regenerative FM-UWB receiver with enhanced linearity by utilizing a wideband LNA and dual bandpass filters

A low-power regenerative FM-UWB receiver with wideband signal reception and linear FM-AM conversion is implemented in 65nm CMOS for short-range communication systems. Different from the conventional regenerative FM-UWB receiver having the narrowband LNA, the proposed receiver employs a wideband LNA and dual bandpass filters (BPFs) to improve FSK demodulation with a relaxed Q requirement of the BPF. A 3.5-4GHz FM-UWB receiver consisting of a stacked LNA, dual BPFs, two envelop detectors and a subtractor successfully performs FM demodulation through wireless transmission from a 100kb/s FM-UWB transmitter, consuming the total power of 3.8mW.

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来源期刊

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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