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本文提出了一种1V W波段双向收发前端，集成了T/R开关和衰减器，实现了小于1dB的开关损耗、小于1°/dB的相位/增益分辨率以及12.3%的效率，解决了W波段收发机因器件增益低和损耗大而难以集成开关和衰减器的问题。
Wei Zhu, Jiawen Wang, Ruitao Wang, Yan Wang Institute of Microelectronics of Tsinghua University, Beijing, China Millimeter-wave (mm-wave) imaging radars and communication systems operating at W-band obtain an ever-increasing attention due to their high-resolution and high data rate [1-6]. However, because of the challenges of lower active device gain and greater passive loss, most W-Band transceivers (TRXs) do not integrate T/R switches and attenuators [1-6], which will significantly reduce the system performance and increase the cost. In this paper, we propose a W-band bidirectional phased-array TRX FE in a 65nm CMOS technology to support communication and radar applications in which three critical issues of higher mm-wave-band phased-array TRX FE have been initially dealt with: 1) the large insertion loss (IL) of the T/R switch, 2) the limited resolution and 3) gain/phase variation of the phase shifter (PS) and attenuator. The concept of EM
T/R Switch Loss, <1°/dB Phase/Gain Resolution and 12.3%
TX PAE at 15.1dBm Output Power in 65nm CMOS Technology