A 37-50 GHz GaAs Transmitter MMIC with Predistortion Linearization

Jeng Han Tsai; Chen Yang Yen

doi:10.1109/GCCE59613.2023.10315613

A 37-50 GHz GaAs Transmitter MMIC with Predistortion Linearization

Jeng Han Tsai^*, Chen Yang Yen

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This thesis introduces a sub-harmonic transmitter (Tx) operating in the frequency range of 37-50 GHz, featuring an integrated linearizer. To minimize local oscillator (LO) leakage, a sub-harmonically pumped mixer configuration is employed. To enhance the linearity, a predistortion linearizer is incorporated in the transmitter. The transmitter MMIC is designed and manufactured using a 0.15-μm GaAs pHEMT. The transmitter exhibits a consistent conversion gain of 10 ± 1.5 dB across the 37-50 GHz band via a 2 dBm LO power. The saturation power is around 6 dBm. The experimental results show that the OP1dB has been be extended from 3 to 5.5 dBm after linearization. In addition, the linear output power at IMD3 below -35 dBc has been improved from -2.5 to 1 dBm.

Original language	English
Title of host publication	GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	189-190
Number of pages	2
ISBN (Electronic)	9798350340181
DOIs	https://doi.org/10.1109/GCCE59613.2023.10315613
Publication status	Published - 2023
Event	12th IEEE Global Conference on Consumer Electronics, GCCE 2023 - Nara, Japan Duration: 2023 Oct 10 → 2023 Oct 13

Publication series

Name	GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics

Conference

Conference	12th IEEE Global Conference on Consumer Electronics, GCCE 2023
Country/Territory	Japan
City	Nara
Period	2023/10/10 → 2023/10/13

Keywords

Millimeter wave (mmWave)
linearization
sub-harmonic
transmitter

ASJC Scopus subject areas

Artificial Intelligence
Energy Engineering and Power Technology
Electrical and Electronic Engineering
Safety, Risk, Reliability and Quality
Instrumentation
Atomic and Molecular Physics, and Optics

Access to Document

10.1109/GCCE59613.2023.10315613

Cite this

A 37-50 GHz GaAs Transmitter MMIC with Predistortion Linearization. / Tsai, Jeng Han; Yen, Chen Yang.
GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics. Institute of Electrical and Electronics Engineers Inc., 2023. p. 189-190 (GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tsai, JH & Yen, CY 2023, A 37-50 GHz GaAs Transmitter MMIC with Predistortion Linearization. in GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics. GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics, Institute of Electrical and Electronics Engineers Inc., pp. 189-190, 12th IEEE Global Conference on Consumer Electronics, GCCE 2023, Nara, Japan, 2023/10/10. https://doi.org/10.1109/GCCE59613.2023.10315613

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abstract = "This thesis introduces a sub-harmonic transmitter (Tx) operating in the frequency range of 37-50 GHz, featuring an integrated linearizer. To minimize local oscillator (LO) leakage, a sub-harmonically pumped mixer configuration is employed. To enhance the linearity, a predistortion linearizer is incorporated in the transmitter. The transmitter MMIC is designed and manufactured using a 0.15-μm GaAs pHEMT. The transmitter exhibits a consistent conversion gain of 10 ± 1.5 dB across the 37-50 GHz band via a 2 dBm LO power. The saturation power is around 6 dBm. The experimental results show that the OP1dB has been be extended from 3 to 5.5 dBm after linearization. In addition, the linear output power at IMD3 below -35 dBc has been improved from -2.5 to 1 dBm.",

keywords = "Millimeter wave (mmWave), linearization, sub-harmonic, transmitter",

author = "Tsai, {Jeng Han} and Yen, {Chen Yang}",

note = "Publisher Copyright: {\textcopyright} 2023 IEEE.; 12th IEEE Global Conference on Consumer Electronics, GCCE 2023 ; Conference date: 10-10-2023 Through 13-10-2023",

year = "2023",

doi = "10.1109/GCCE59613.2023.10315613",

language = "English",

series = "GCCE 2023 - 2023 IEEE 12th Global Conference on Consumer Electronics",

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AB - This thesis introduces a sub-harmonic transmitter (Tx) operating in the frequency range of 37-50 GHz, featuring an integrated linearizer. To minimize local oscillator (LO) leakage, a sub-harmonically pumped mixer configuration is employed. To enhance the linearity, a predistortion linearizer is incorporated in the transmitter. The transmitter MMIC is designed and manufactured using a 0.15-μm GaAs pHEMT. The transmitter exhibits a consistent conversion gain of 10 ± 1.5 dB across the 37-50 GHz band via a 2 dBm LO power. The saturation power is around 6 dBm. The experimental results show that the OP1dB has been be extended from 3 to 5.5 dBm after linearization. In addition, the linear output power at IMD3 below -35 dBc has been improved from -2.5 to 1 dBm.

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KW - sub-harmonic

KW - transmitter

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A 37-50 GHz GaAs Transmitter MMIC with Predistortion Linearization

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Keywords

ASJC Scopus subject areas

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