A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT

To meet the application requirements of broadband radar systems for broadband power amplifiers, a Ku-band broadband power amplifier (PA) microwave monolithic integrated circuit (MMIC) based on a 0.15 µm gallium arsenide (GaAs) high-electron-mobility transistor (HEMT) technology is proposed in this p...

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Main Authors: Jiaxuan Li, Yang Yuan, Bin Yuan, Jingxin Fan, Jialong Zeng, Zhongjun Yu
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/14/6/1276
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author Jiaxuan Li
Yang Yuan
Bin Yuan
Jingxin Fan
Jialong Zeng
Zhongjun Yu
author_facet Jiaxuan Li
Yang Yuan
Bin Yuan
Jingxin Fan
Jialong Zeng
Zhongjun Yu
author_sort Jiaxuan Li
collection DOAJ
description To meet the application requirements of broadband radar systems for broadband power amplifiers, a Ku-band broadband power amplifier (PA) microwave monolithic integrated circuit (MMIC) based on a 0.15 µm gallium arsenide (GaAs) high-electron-mobility transistor (HEMT) technology is proposed in this paper. In this design, the advantages of the stacked FET structure in the broadband PA design are illustrated by theoretical derivation. The proposed PA uses a two-stage amplifier structure and a two-way power synthesis structure to achieve high-power gain and high-power design, respectively. The fabricated power amplifier was tested under continuous wave conditions, and the test results showed a peak power of 30.8 dBm at 16 GHz. At 15 to 17.5 GHz, the output power was above 30 dBm with a PAE of more than 32%. The fractional bandwidth of the 3 dB output power was 30%. The chip area was 3.3 × 1.2 mm<sup>2</sup> and included input and output test pads.
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spelling doaj.art-80c91043b5e246759c831daab84d1e3e2023-11-18T11:40:49ZengMDPI AGMicromachines2072-666X2023-06-01146127610.3390/mi14061276A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMTJiaxuan Li0Yang Yuan1Bin Yuan2Jingxin Fan3Jialong Zeng4Zhongjun Yu5Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaAerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaAerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaAerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaAerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaAerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, ChinaTo meet the application requirements of broadband radar systems for broadband power amplifiers, a Ku-band broadband power amplifier (PA) microwave monolithic integrated circuit (MMIC) based on a 0.15 µm gallium arsenide (GaAs) high-electron-mobility transistor (HEMT) technology is proposed in this paper. In this design, the advantages of the stacked FET structure in the broadband PA design are illustrated by theoretical derivation. The proposed PA uses a two-stage amplifier structure and a two-way power synthesis structure to achieve high-power gain and high-power design, respectively. The fabricated power amplifier was tested under continuous wave conditions, and the test results showed a peak power of 30.8 dBm at 16 GHz. At 15 to 17.5 GHz, the output power was above 30 dBm with a PAE of more than 32%. The fractional bandwidth of the 3 dB output power was 30%. The chip area was 3.3 × 1.2 mm<sup>2</sup> and included input and output test pads.https://www.mdpi.com/2072-666X/14/6/1276gallium arsenide (GaAs)Ku-bandmicrowave monolithic integrated circuit (MMIC)broadband power amplifierstacked FET
spellingShingle Jiaxuan Li
Yang Yuan
Bin Yuan
Jingxin Fan
Jialong Zeng
Zhongjun Yu
A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
Micromachines
gallium arsenide (GaAs)
Ku-band
microwave monolithic integrated circuit (MMIC)
broadband power amplifier
stacked FET
title A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
title_full A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
title_fullStr A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
title_full_unstemmed A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
title_short A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT
title_sort ku band broadband stacked fet power amplifier using 0 15 μm gaas phemt
topic gallium arsenide (GaAs)
Ku-band
microwave monolithic integrated circuit (MMIC)
broadband power amplifier
stacked FET
url https://www.mdpi.com/2072-666X/14/6/1276
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