Continuous Class-E Power Amplifier Modes

被引：53

作者：

Ozen, Mustafa ^{[1
]}

Jos, Rik ^{[1
,2
]}

Fager, Christian ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Microtechnol & Nanosci, S-41296 Gothenburg, Sweden

[2] NXP Semicond BV, NL-5656 Eindhoven, Netherlands

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2012年 / 59卷 / 11期

关键词：

Bandwidth; class E; harmonic tuning; waveform engineering; zero voltage switching (ZVS); HIGH-EFFICIENCY;

D O I：

10.1109/TCSII.2012.2228392

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：

In this brief, a continuum of novel closed-form solutions is derived for class-E power amplifiers (PAs). It is analytically proven that the class-E zero voltage/zero voltage derivative switching conditions can be satisfied for an arbitrarily selected reactive second harmonic switch impedance (Z(2)(S)). The higher order harmonic currents are terminated capacitively. The conventional class-E, class-E/F-2, and class-EF2 modes are thus subsets of the continuum. The arbitrary selection of Z(2)(S) enables robust waveform engineering for performance optimization in specific applications. Furthermore, the theoretical derivation provides important possibilities for wideband class-E PA synthesis.

引用

页码：731 / 735

页数：5

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