A Wideband Compact 5-Bit Phase Shifter with Low Loss and RMS Errors for 5G Applications

Yen Heng Lin; Zuo Min Tsai

doi:10.1109/LMWC.2021.3107008

A Wideband Compact 5-Bit Phase Shifter with Low Loss and RMS Errors for 5G Applications

Yen Heng Lin, Zuo Min Tsai^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

This letter presents a differential 5-bit switch-type phase shifter (PS) that is based on a 65-nm CMOS process. This PS uses a new differential PS unit, which includes a high-pass state and a low-pass state. The strengths of this PS unit include low-phase error and low-amplitude error between two states, which can effectively improve the performance of the entire 5-bit PS. The fabricated 5-bit PS has a low average insertion loss of <8.0 dB, low root mean square (rms) phase error of <5.9°, and low rms amplitude error of <0.22 dB in 35-41.9 GHz. It also has a compact size of 0.125 mm2.

Original language	English
Pages (from-to)	1134-1137
Number of pages	4
Journal	IEEE Microwave and Wireless Components Letters
Volume	31
Issue number	10
DOIs	https://doi.org/10.1109/LMWC.2021.3107008
State	Published - 1 Oct 2021

Keywords

CMOS
Ka-band
monolithic microwave integrated circuit (MMIC)
phase shifters (PSs)
phased-array
wideband

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10.1109/LMWC.2021.3107008

Cite this

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title = "A Wideband Compact 5-Bit Phase Shifter with Low Loss and RMS Errors for 5G Applications",

abstract = "This letter presents a differential 5-bit switch-type phase shifter (PS) that is based on a 65-nm CMOS process. This PS uses a new differential PS unit, which includes a high-pass state and a low-pass state. The strengths of this PS unit include low-phase error and low-amplitude error between two states, which can effectively improve the performance of the entire 5-bit PS. The fabricated 5-bit PS has a low average insertion loss of <8.0 dB, low root mean square (rms) phase error of <5.9°, and low rms amplitude error of <0.22 dB in 35-41.9 GHz. It also has a compact size of 0.125 mm2.",

keywords = "CMOS, Ka-band, monolithic microwave integrated circuit (MMIC), phase shifters (PSs), phased-array, wideband",

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N2 - This letter presents a differential 5-bit switch-type phase shifter (PS) that is based on a 65-nm CMOS process. This PS uses a new differential PS unit, which includes a high-pass state and a low-pass state. The strengths of this PS unit include low-phase error and low-amplitude error between two states, which can effectively improve the performance of the entire 5-bit PS. The fabricated 5-bit PS has a low average insertion loss of <8.0 dB, low root mean square (rms) phase error of <5.9°, and low rms amplitude error of <0.22 dB in 35-41.9 GHz. It also has a compact size of 0.125 mm2.

AB - This letter presents a differential 5-bit switch-type phase shifter (PS) that is based on a 65-nm CMOS process. This PS uses a new differential PS unit, which includes a high-pass state and a low-pass state. The strengths of this PS unit include low-phase error and low-amplitude error between two states, which can effectively improve the performance of the entire 5-bit PS. The fabricated 5-bit PS has a low average insertion loss of <8.0 dB, low root mean square (rms) phase error of <5.9°, and low rms amplitude error of <0.22 dB in 35-41.9 GHz. It also has a compact size of 0.125 mm2.

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KW - phase shifters (PSs)

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A Wideband Compact 5-Bit Phase Shifter with Low Loss and RMS Errors for 5G Applications

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