自适应集成CMOS环行器

2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Pub Date : 2016-05-22 DOI:10.1109/RFIC.2016.7508272

S. Ayati, Debashis Mandal, B. Bakkaloglu, S. Kiaei

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引用次数: 14

摘要

提出了一种基于130 nm CMOS的自适应环行器。环行器有两个自适应模块用于增益和相位失配校正和泄漏消除。阻抗匹配电路校正天线、分压器和LNTA的不匹配。取消块取消Tx泄漏。2.4 GHz单音信号的发射与接收隔离度为90 dB, 40 MHz宽带信号的发射与接收隔离度为50dB。环行器Rx增益为10 dB, NF = 4.7 dB，插入损耗为5 dB。

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Adaptive integrated CMOS circulator

An adaptive circulator fabricated on a 130 nm CMOS is presented. Circulator has two adaptive blocks for gain and phase mismatch correction and leakage cancelation. The impedance matching circuit corrects mismatches for antenna, divider, and LNTA. The cancelation block cancels the Tx leakage. Measured isolation between transmitter and receiver for single tone at 2.4 GHz is 90 dB, and for a 40 MHz wide-band signal is 50dB. The circulator Rx gain is 10 dB, with NF = 4.7 dB and 5 dB insertion loss.

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来源期刊

2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

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