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JSSC 2023第5期RF & Wireless65nm

A 107 pJb TX 260 pJb RX Ultralow-Power MEMS-Based Transceiver With Wake-Up in IS

一款基于MEMS的超低功耗收发器，集成唤醒功能，支持FSK/OOK调制。
65nm CMOS, -11.2dBm@915MHz, 6Mb/s(TX), 2Mb/s(RX), -77.5dBm灵敏度
超低功耗MEMS收发器唤醒接收机FSK调制自适应切换
▸采用自适应快速切换(AFS)技术降低功耗
▸共享MEMS调制器提供LO并抑制旁瓣
▸协同设计MEMS匹配滤波器与电流复用LNA以提升增益
Abstract
This article presents an ultralow-power (ULP) microelectromechanical system (MEMS)-based phase-tracking frequency shift keying (FSK) transceiver (TRX) with an embed- ded envelop detector-based on–off keying (OOK) wake-up receiver (WuRX). The system supports a shared antenna interface of FSK-matched filter for TRX and a matching network for the FSK receiver (RX) and OOK WuRX. To consume less power, the transmitter employs an adaptive fast switching (AFS) technique for FSK/OOK modulator and uses a