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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 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 languageEnglish
Title of host publication2005 IEEE MTT-S International Microwave Symposium Digest
Pages1575-1578
Number of pages4
DOIs
Publication statusPublished - 2005 Dec 1
Event2005 IEEE MTT-S International Microwave Symposium - Long Beach, CA, United States
Duration: 2005 Jun 122005 Jun 17

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
Volume2005
ISSN (Print)0149-645X

Other

Other2005 IEEE MTT-S International Microwave Symposium
CountryUnited States
CityLong Beach, CA
Period05/6/1205/6/17

Fingerprint

Monolithic microwave integrated circuits
power amplifiers
Power amplifiers
linearity
High electron mobility transistors
high electron mobility transistors
Millimeter waves
millimeter waves
quadrature amplitude modulation
quadrature phase shift keying
Quadrature phase shift keying
Quadrature amplitude modulation
linearization
Insertion losses
Linearization
insertion loss
output

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

Cite this

Tsai, J. H., Chang, H. Y., Wu, P. S., Huang, T. W., & 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 (pp. 1575-1578). [1517001] (IEEE MTT-S International Microwave Symposium Digest; Vol. 2005). https://doi.org/10.1109/MWSYM.2005.1517001

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; Huang, Tian Wei; Wang, Huei.

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 proceedingConference 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, 05/6/12. https://doi.org/10.1109/MWSYM.2005.1517001
Tsai JH, Chang HY, Wu PS, Huang TW, Wang H. 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. 2005. p. 1575-1578. 1517001. (IEEE MTT-S International Microwave Symposium Digest). https://doi.org/10.1109/MWSYM.2005.1517001
Tsai, Jeng Han ; Chang, Hong Yeh ; Wu, Pei Si ; Huang, Tian Wei ; Wang, Huei. / A 44-GHz high-linearity MMIC medium power amplifier with a low-loss built-in linearizer. 2005 IEEE MTT-S International Microwave Symposium Digest. 2005. pp. 1575-1578 (IEEE MTT-S International Microwave Symposium Digest).
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