Low RMS phase error 28 GHz 5-bit switch type phase shifter for 5G applications

Jeng-Han Tsai, F. M. Lin, H. Xiao

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A 28 GHz 5-bit switch-type phase shifter (STPS) using 0.18 μm CMOS technology is presented for 5G mobile communication applications. Utilising a process variation insensitive transmission line-based bridged T-type topology for 11.25°, 22.5°, 45°, 90°1-bit phase shifters and high-pass/low-pass network switched-path-type topology for 180°1-bit phase shifter, the 5-bit STPS achieves ultra-low root mean square (RMS) phase error of 1.7°and low RMS amplitude error of 0.59 dB at 28 GHz with intrinsic digital phase-control mechanism. The measured insertion loss of all 32 states is 15 ± 1.5 dB at 28 GHz with zero dc consumption.

Original languageEnglish
Article numberEL.2018.6383
Pages (from-to)1184-1185
Number of pages2
JournalElectronics Letters
Volume54
Issue number20
DOIs
Publication statusPublished - 2018 Oct 4

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Phase shifters
Switches
Topology
Phase control
Switching networks
Insertion losses
Electric lines
Communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Low RMS phase error 28 GHz 5-bit switch type phase shifter for 5G applications. / Tsai, Jeng-Han; Lin, F. M.; Xiao, H.

In: Electronics Letters, Vol. 54, No. 20, EL.2018.6383, 04.10.2018, p. 1184-1185.

Research output: Contribution to journalArticle

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