Highly integrated PA-PIFA with a wide frequency tuning range

Minyong Huang; Yunlong Lu; Qi Ang Zhu; Milan Salek; Yi Wang; Jifu Huang; Taijun Liu

doi:10.1109/LAWP.2021.3085937

Highly integrated PA-PIFA with a wide frequency tuning range

Minyong Huang, Yunlong Lu, Qi Ang Zhu, Milan Salek, Yi Wang, Jifu Huang, Taijun Liu

Electronic, Electrical and Systems Engineering

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

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Abstract

This letter presents a highly integrated power amplifier (PA)-antenna with capability of frequency tuning. A planar inverted-F antenna (PIFA) is used to directly match the PA transistor. This mitigates the lossy output matching network (OMN) in the PA-integrated antenna (PAIA). In order to achieve a wide frequency tuning range, a combination of capacitors are loaded at the PIFA to control the antenna input impedances, so that matching can be maintained with frequency tuning. The antenna analysis and design procedure of the tunable PAIA are detailed. For verification, a prototype is designed, fabricated and measured. Experimental results show that the frequency tuning range of the proposed PAIA covers from 2 to 4 GHz. Over this frequency tuning range, the effective isotropic radiation power (EIRP) and power-added efficiency (PAE) are higher than 40.5 dBm and 60% at the input power of 26.5 dBm, respectively.

Original language	English
Article number	9445610
Pages (from-to)	1433-1437
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	20
Issue number	8
Early online date	2 Jun 2021
DOIs	https://doi.org/10.1109/LAWP.2021.3085937
Publication status	E-pub ahead of print - 2 Jun 2021

Bibliographical note

Publisher Copyright:
IEEE

Keywords

Active integrated antennas
Antennas
Capacitors
Impedance
Impedance matching
Loaded antennas
PIFA
Transistors
Tuning
output impedance matching network elimination
tunable

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/LAWP.2021.3085937Licence: Other (please provide link to licence statement

HuangM2021Highly
© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. M. Huang et al., "Highly Integrated PA-PIFA With A Wide Frequency Tuning Range," in IEEE Antennas and Wireless Propagation Letters, doi: 10.1109/LAWP.2021.3085937.
Accepted author manuscript, 421 KBLicence: Other (please specify with Rights Statement)

Cite this

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title = "Highly integrated PA-PIFA with a wide frequency tuning range",

abstract = "This letter presents a highly integrated power amplifier (PA)-antenna with capability of frequency tuning. A planar inverted-F antenna (PIFA) is used to directly match the PA transistor. This mitigates the lossy output matching network (OMN) in the PA-integrated antenna (PAIA). In order to achieve a wide frequency tuning range, a combination of capacitors are loaded at the PIFA to control the antenna input impedances, so that matching can be maintained with frequency tuning. The antenna analysis and design procedure of the tunable PAIA are detailed. For verification, a prototype is designed, fabricated and measured. Experimental results show that the frequency tuning range of the proposed PAIA covers from 2 to 4 GHz. Over this frequency tuning range, the effective isotropic radiation power (EIRP) and power-added efficiency (PAE) are higher than 40.5 dBm and 60% at the input power of 26.5 dBm, respectively.",

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AU - Zhu, Qi Ang

AU - Salek, Milan

AU - Wang, Yi

AU - Huang, Jifu

AU - Liu, Taijun

N1 - Publisher Copyright: IEEE

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AB - This letter presents a highly integrated power amplifier (PA)-antenna with capability of frequency tuning. A planar inverted-F antenna (PIFA) is used to directly match the PA transistor. This mitigates the lossy output matching network (OMN) in the PA-integrated antenna (PAIA). In order to achieve a wide frequency tuning range, a combination of capacitors are loaded at the PIFA to control the antenna input impedances, so that matching can be maintained with frequency tuning. The antenna analysis and design procedure of the tunable PAIA are detailed. For verification, a prototype is designed, fabricated and measured. Experimental results show that the frequency tuning range of the proposed PAIA covers from 2 to 4 GHz. Over this frequency tuning range, the effective isotropic radiation power (EIRP) and power-added efficiency (PAE) are higher than 40.5 dBm and 60% at the input power of 26.5 dBm, respectively.

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Highly integrated PA-PIFA with a wide frequency tuning range

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this