A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM

被引：3

作者：

Kodera, Toshiro ^{[1
]}

Ando, Nobuhiko ^{[1
]}

Taromaru, Makoto ^{[1
]}

机构：

[1] ATR, Wave Engn Labs, Kyoto 6190288, Japan

来源：

2007 KOREA-JAPAN MICROWAVE CONFERENCE, TECHNICAL DIGEST | 2007年

关键词：

ceramics; coaxial resonators; delay filters; delay-lines; power amplifiers;

D O I：

10.1109/KJMW.2007.4402225

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The improvement of efficiency on power amplifiers (PAs) has been a major assignment from dc to microwave region. The class-E and F PAs, overdriven amplifiers with harmonics control are well known scheme to obtain the high efficiency on microwave PA. However, significant deterioration as same as the conventional amplifier is specifically inevitable issue in the linear operation. These facts draw efficiency reduction and modulation inaccuracy on the high backoff modulation such as OFDM. Recently, EER (envelope elimination and restoration) and polar modulation are widely researched as a solution for these issues. In this work, a novel EER transmitter with burst-width modulation driven class-E amplifier system is verified on 64 QAM signal of 2.3GHz. As a result, it is confirmed that basic parameters on PA, EVM and ACLR are simultaneously improved.

引用

页码：1 / 4

页数：4

共 5 条

[1] An EER transmitter architecture with burst-width envelope modulation based on triangle-wave comparison PWM
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