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Co-design of an antenna-power amplifier RF front-end block without matching network for 2.4 GHz WiFi application / Arpan Pal; Hengyi Zhou; Amit Mehta; Elango Nagasundaram; Jonathan Lees; Dariush Mirshekar-Syahkal

2017 IEEE Radio and Wireless Symposium (RWS), Pages: 201 - 203

Swansea University Author: Amit, Mehta

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Abstract

A co-design of an antenna-Power Amplifier (PA) block in RF front-end module is presented. This technique enables the direct integration of PA and antenna without any matching circuits and helps to reduce the loss, power consumption and overall size of the RF front-end modules without affecting the e...

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Published in: 2017 IEEE Radio and Wireless Symposium (RWS)
ISSN: 2164-2974
Published: Phoenix, AZ, USA 2017 IEEE Radio and Wireless Symposium (RWS) 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa39580
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Abstract: A co-design of an antenna-Power Amplifier (PA) block in RF front-end module is presented. This technique enables the direct integration of PA and antenna without any matching circuits and helps to reduce the loss, power consumption and overall size of the RF front-end modules without affecting the efficiency of the PA. For first two harmonics the impedance matching between the PA and antenna is achieved by utilizing a capacitively coupled feeding mechanism which controls the input impedance of the antenna. By using this integration technique a Class-B PA operating at 2.4 GHz provides a maximum efficiency of 62% which is similar to the performance with the additional matching circuit. Also the design methodology of the antenna is reported. The antenna provides an axial beam with a maximum gain of 6.5 dBi and has a radiation efficiency of 85%.
College: College of Engineering
Start Page: 201
End Page: 203