A design of CMOS class-E power amplifier with phase correction for envelope elimination and restoration (EER)/Polar systems

Wen An Tsou; Wen Shen Wuen; Kuei-Ann Wen

doi:10.1587/transele.E93.C.128

A design of CMOS class-E power amplifier with phase correction for envelope elimination and restoration (EER)/Polar systems

Wen An Tsou^*, Wen Shen Wuen, Kuei-Ann Wen

^*Corresponding author for this work

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

Abstract

A circuit technique to correct V_dd/PM distortion and improve efficiency as supply modulation of cascode class-E PAs has been proposed. The experimental result shows that the phase distortion can be improved from 20 degrees to 5 degrees. Moreover, a system co-simulation result demonstrated that the EVM can be improved from-17 dB to-19 dB.

Original language	English
Pages (from-to)	128-131
Number of pages	4
Journal	IEICE Transactions on Electronics
Volume	E93-C
Issue number	1
DOIs	https://doi.org/10.1587/transele.E93.C.128
State	Published - 2010

Keywords

Class-E power amplifier
Envelope elimination and restoration (EER)
Orthogonal frequency division multiplexing (OFDM)
Polar system

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10.1587/transele.E93.C.128

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abstract = "A circuit technique to correct Vdd/PM distortion and improve efficiency as supply modulation of cascode class-E PAs has been proposed. The experimental result shows that the phase distortion can be improved from 20 degrees to 5 degrees. Moreover, a system co-simulation result demonstrated that the EVM can be improved from-17 dB to-19 dB.",

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AB - A circuit technique to correct Vdd/PM distortion and improve efficiency as supply modulation of cascode class-E PAs has been proposed. The experimental result shows that the phase distortion can be improved from 20 degrees to 5 degrees. Moreover, a system co-simulation result demonstrated that the EVM can be improved from-17 dB to-19 dB.

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KW - Orthogonal frequency division multiplexing (OFDM)

KW - Polar system

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A design of CMOS class-E power amplifier with phase correction for envelope elimination and restoration (EER)/Polar systems

Abstract

Keywords

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