A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer

Jeng Han Tsai; Hong Yeh Chang; Pei Si Wu; Tian Wei Huang; Huei Wang

doi:10.1109/MWSYM.2005.1517001

A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer

Jeng Han Tsai^*, Hong Yeh Chang, Pei Si Wu, Tian Wei Huang, Huei Wang

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

This paper presents a 44-GHz MMIC medium power amplifier with a low-loss built-in linearizer using a 0.15-μm GaAs HEMT process. The proposed cold-mode HEMT linearizer can enhance the linearity of the power amplifier with a low insertion loss, a compact die-size, and zero dc consumption. These advantages make the linearizer more suitable for millimeter-wave applications. The experimental results show that the medium power amplifier output spectrum re-growth can be suppressed by 7-9 dB at 44 GHz. In addition, the EVM of the QPSK and 16-QAM modulated signal can be reduced from 4.5% to 3.7% and 10.8% to 7.4% respectively. To the best of our knowledge, this is the first attempt of using pre-distortion linearization techniques in millimeter-wave bands.

Original language	English
Title of host publication	2005 IEEE MTT-S International Microwave Symposium Digest
Pages	1575-1578
Number of pages	4
DOIs	https://doi.org/10.1109/MWSYM.2005.1517001
Publication status	Published - 2005
Externally published	Yes
Event	2005 IEEE MTT-S International Microwave Symposium - Long Beach, CA, United States Duration: 2005 Jun 12 → 2005 Jun 17

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
Volume	2005
ISSN (Print)	0149-645X

Other

Other	2005 IEEE MTT-S International Microwave Symposium
Country/Territory	United States
City	Long Beach, CA
Period	2005/06/12 → 2005/06/17

Keywords

Linearizer
Millimeter-wave (MMW)
Monolithic microwave integrated circuit (MMIC)
Nonlinear
Power amplifier (PA)

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/MWSYM.2005.1517001

Cite this

A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer. / Tsai, Jeng Han; Chang, Hong Yeh; Wu, Pei Si et al.
2005 IEEE MTT-S International Microwave Symposium Digest. 2005. p. 1575-1578 1517001 (IEEE MTT-S International Microwave Symposium Digest; Vol. 2005).

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

Tsai, JH, Chang, HY, Wu, PS, Huang, TW & Wang, H 2005, A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer. in 2005 IEEE MTT-S International Microwave Symposium Digest., 1517001, IEEE MTT-S International Microwave Symposium Digest, vol. 2005, pp. 1575-1578, 2005 IEEE MTT-S International Microwave Symposium, Long Beach, CA, United States, 2005/06/12. https://doi.org/10.1109/MWSYM.2005.1517001

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abstract = "This paper presents a 44-GHz MMIC medium power amplifier with a low-loss built-in linearizer using a 0.15-μm GaAs HEMT process. The proposed cold-mode HEMT linearizer can enhance the linearity of the power amplifier with a low insertion loss, a compact die-size, and zero dc consumption. These advantages make the linearizer more suitable for millimeter-wave applications. The experimental results show that the medium power amplifier output spectrum re-growth can be suppressed by 7-9 dB at 44 GHz. In addition, the EVM of the QPSK and 16-QAM modulated signal can be reduced from 4.5% to 3.7% and 10.8% to 7.4% respectively. To the best of our knowledge, this is the first attempt of using pre-distortion linearization techniques in millimeter-wave bands.",

keywords = "Linearizer, Millimeter-wave (MMW), Monolithic microwave integrated circuit (MMIC), Nonlinear, Power amplifier (PA)",

author = "Tsai, {Jeng Han} and Chang, {Hong Yeh} and Wu, {Pei Si} and Huang, {Tian Wei} and Huei Wang",

year = "2005",

doi = "10.1109/MWSYM.2005.1517001",

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series = "IEEE MTT-S International Microwave Symposium Digest",

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AU - Tsai, Jeng Han

AU - Chang, Hong Yeh

AU - Wu, Pei Si

AU - Huang, Tian Wei

AU - Wang, Huei

PY - 2005

Y1 - 2005

N2 - This paper presents a 44-GHz MMIC medium power amplifier with a low-loss built-in linearizer using a 0.15-μm GaAs HEMT process. The proposed cold-mode HEMT linearizer can enhance the linearity of the power amplifier with a low insertion loss, a compact die-size, and zero dc consumption. These advantages make the linearizer more suitable for millimeter-wave applications. The experimental results show that the medium power amplifier output spectrum re-growth can be suppressed by 7-9 dB at 44 GHz. In addition, the EVM of the QPSK and 16-QAM modulated signal can be reduced from 4.5% to 3.7% and 10.8% to 7.4% respectively. To the best of our knowledge, this is the first attempt of using pre-distortion linearization techniques in millimeter-wave bands.

AB - This paper presents a 44-GHz MMIC medium power amplifier with a low-loss built-in linearizer using a 0.15-μm GaAs HEMT process. The proposed cold-mode HEMT linearizer can enhance the linearity of the power amplifier with a low insertion loss, a compact die-size, and zero dc consumption. These advantages make the linearizer more suitable for millimeter-wave applications. The experimental results show that the medium power amplifier output spectrum re-growth can be suppressed by 7-9 dB at 44 GHz. In addition, the EVM of the QPSK and 16-QAM modulated signal can be reduced from 4.5% to 3.7% and 10.8% to 7.4% respectively. To the best of our knowledge, this is the first attempt of using pre-distortion linearization techniques in millimeter-wave bands.

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KW - Millimeter-wave (MMW)

KW - Monolithic microwave integrated circuit (MMIC)

KW - Nonlinear

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A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer

Abstract

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Keywords

ASJC Scopus subject areas

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