Impedance-matched planar-antenna-integrated high-efficiency push-pull power amplifier with center-tapped transformer for 5 GHz wireless communication

Takeshi Kuboki; Tomoki Sadakiyo; Wee Sang Park; Haruichi Kanaya

doi:10.18494/SAM.2018.2025

Impedance-matched planar-antenna-integrated high-efficiency push-pull power amplifier with center-tapped transformer for 5 GHz wireless communication

Takeshi Kuboki, Tomoki Sadakiyo, Wee Sang Park, Haruichi Kanaya

Integrated Electronic Systems

Research output: Contribution to journal › Article › peer-review

Abstract

We present a highly efficient power amplifier (PA) with an impedance-matched planar antenna. An impedance-matching network including inductors and capacitors is a common and essential practice for wireless communication systems; however, efficiency degradation at a matching network is a serious issue. We implement a matching block into a planar antenna and integrate a PA with the impedance-matched planar antenna. The impedance-matched antenna and PA are applied to a wireless transmitter for the 5 GHz band in a 0.18 mm CMOS. The proposed integrated PA has a power-added efficiency (PAE) of 15.7% in linear operation and a maximum PAE of 30.7%.

Original language	English
Pages (from-to)	2969-2978
Number of pages	10
Journal	Sensors and Materials
Volume	30
Issue number	12
DOIs	https://doi.org/10.18494/SAM.2018.2025
Publication status	Published - Dec 1 2018

All Science Journal Classification (ASJC) codes

Instrumentation
Materials Science(all)

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title = "Impedance-matched planar-antenna-integrated high-efficiency push-pull power amplifier with center-tapped transformer for 5 GHz wireless communication",

abstract = "We present a highly efficient power amplifier (PA) with an impedance-matched planar antenna. An impedance-matching network including inductors and capacitors is a common and essential practice for wireless communication systems; however, efficiency degradation at a matching network is a serious issue. We implement a matching block into a planar antenna and integrate a PA with the impedance-matched planar antenna. The impedance-matched antenna and PA are applied to a wireless transmitter for the 5 GHz band in a 0.18 mm CMOS. The proposed integrated PA has a power-added efficiency (PAE) of 15.7% in linear operation and a maximum PAE of 30.7%.",

author = "Takeshi Kuboki and Tomoki Sadakiyo and Park, {Wee Sang} and Haruichi Kanaya",

note = "Funding Information: This work was partly supported by the VLSI Design and Education Center (VDEC), The University of Tokyo, in collaboration with Cadence Design System, Inc., and Keysight Technologies. This work was also supported in part by a Grant-in-Aid for KAKENHI (18K04146) and CREST (JPMJCR1431) from Japan Science and Technology Agency, JST.",

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AU - Sadakiyo, Tomoki

AU - Park, Wee Sang

AU - Kanaya, Haruichi

N1 - Funding Information: This work was partly supported by the VLSI Design and Education Center (VDEC), The University of Tokyo, in collaboration with Cadence Design System, Inc., and Keysight Technologies. This work was also supported in part by a Grant-in-Aid for KAKENHI (18K04146) and CREST (JPMJCR1431) from Japan Science and Technology Agency, JST.

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AB - We present a highly efficient power amplifier (PA) with an impedance-matched planar antenna. An impedance-matching network including inductors and capacitors is a common and essential practice for wireless communication systems; however, efficiency degradation at a matching network is a serious issue. We implement a matching block into a planar antenna and integrate a PA with the impedance-matched planar antenna. The impedance-matched antenna and PA are applied to a wireless transmitter for the 5 GHz band in a 0.18 mm CMOS. The proposed integrated PA has a power-added efficiency (PAE) of 15.7% in linear operation and a maximum PAE of 30.7%.

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