A 28-GHz Switched-Filter Phase Shifter with Fine Phase-Tuning Capability Using Back-Gate Biasing in 22-nm FD-SOI CMOS

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Title: A 28-GHz Switched-Filter Phase Shifter with Fine Phase-Tuning Capability Using Back-Gate Biasing in 22-nm FD-SOI CMOS
Authors: Kobal, EnisSiriburanon, TeerachotStaszewski, Robert BogdanZhu, Anding
Permanent link: http://hdl.handle.net/10197/12787
Date: 22-Sep-2021
Online since: 2022-03-02T10:07:30Z
Abstract: This paper introduces a phase shifter based on switched filters for mm-wave 5G MIMO transmitters. It is realized in 22 nm FD-SOI CMOS and exploits the use of back-gate biasing. The new approach features strong tolerance to process, voltage and temperature (PVT) variations and thus can maintain low phase error with fine phase tuning capability supporting a large bandwidth. Measurement results show that the 4-bit phase shifter achieves 3.5° rms phase error at 28 GHz. The proposed phase shifter can maintain <5° of the worst-case rms phase error when operating across 24 to 29.5 GHz resulting in 20.56% fractional bandwidth which is the largest among the published switched-filter phase shifters to date.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2021 IEEE
Keywords: Temperature measurementPhase measurementTransmittersPhase shiftersMeasurement uncertaintySwitchesTopology
DOI: 10.1109/ESSCIRC53450.2021.9567845
Other versions: https://www.esscirc-essderc2021.org/
Language: en
Status of Item: Peer reviewed
Is part of: ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference, Proceedings
Conference Details: The IEEE 47th European Solid State Circuits Conference (ESSCIRC 2021), Virtual Conference, 6-9 September 2021
ISBN: 9781665437479
This item is made available under a Creative Commons License: https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Appears in Collections:Electrical and Electronic Engineering Research Collection

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