High isolation wideband CMOS T/R switch with leakage cancellation technique for software-defined radio transceiver

被引：1
作者：
Zhang, Xinwang [1 ,2 ]
Wang, Zhihuan [1 ,2 ]
Chi, Baoyong [1 ,2 ]
机构：
[1] Tsinghua Univ, Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2016年 / 87卷 / 01期
基金：
中国国家自然科学基金;
关键词：
High isolation; Wideband; T/R switch; Leakage cancellation; CMOS; SDR; DESIGN;
D O I：
10.1007/s10470-016-0723-3
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
0.1-3 GHz high isolation wideband CMOS Transmit/Receiver (T/R) switch is presented for software-defined radio (SDR) transceiver. The independent bias technique is proposed to keep the transistors in ideal ON/OFF mode to improve power handling capacity. The leakage cancellation technique with two matched paths is introduced to cancel the leakage from TX port to RX port. The proposed T/R switch has been implemented in 65 nm CMOS. The measured results show that the differential T/R switch achieves 23dBm 1-dB compression point (P-1dB) and features 50-70 dB isolation.
引用
收藏
页码：93 / 99
页数：7
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