A 28GHz Reflective-Type Transmission-Line-Based Phase Shifter

被引：22

作者：

Kadam, Madhavi ^{[1
]}

Kumar, Abhishek ^{[2
]}

Aniruddhan, Sankaran ^{[1
]}

机构：

[1] IIT Madras, Dept Elect Engn, Chennai 600036, Tamil Nadu, India

[2] IIT Hyderabad, Dept Elect Engn, Hyderabad 502285, India

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2020年 / 67卷 / 12期

关键词：

Switches; Phase shifters; Delays; Couplers; Insertion loss; Capacitance; Power transmission lines; Beamforming; CMOS; 5G cellular communications; rms phase error; low power; low-noise amplifier (LNA); millimetre-wave; reflection-type transmission line phase shifter (RTTLPS); passive phase shifter; capacitive bridge based hybrid coupler; MOS switch; MILLIMETER-WAVE; CMOS; DESIGN; BAND;

D O I：

10.1109/TCSI.2020.3013353

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work presents a 28GHz reflection type transmission-line (TL) based phase shifter. The proposed architecture employs a completely passive approach to double the phase shift achievable using a TL when compared to conventional architectures. The phase shifter, along with a preceding low noise amplifier and buffer, is implemented in a 65nm CMOS process. The fabricated chip achieves a measured phase resolution of 11.25 degrees at 28GHz, with an rms error of 3 degrees and a total phase shift of 180 degrees. The insertion loss of the phase shifter alone is 17dB. The active area of the entire phase shifter, including LNA and buffer is 0.41mm(2).

引用

页码：4641 / 4650

页数：10

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