Transmission-Line Class-E Power Amplifier With Extended Maximum Operating Frequency

被引：18
|
作者：
Thian, Mury [1 ]
Fusco, Vincent F. [1 ]
机构：
[1] Queens Univ Belfast, ECIT Inst, Belfast BT3 9DT, Antrim, North Ireland
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2011年 / 58卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
Class E; harmonic tuning; high efficiency; high frequency; impedance matching; power amplifier (PA); switching amplifier; transistor circuits; transmission line; DESIGN;
D O I：
10.1109/TCSII.2011.2124570
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：
A novel Class-E power amplifier (PA) topology with transmission-line load network is presented in this brief. When compared with the classic Class-E topology, the new circuit can increase the maximum operating frequency up to 50% higher without trading the other Class-E figures of merit. Neither quarterwave line/massive radio-frequency choke for collector/drain biasing nor additional fundamental-frequency output matching circuit are needed in the proposed PA, thus resulting in a compact design. Closed-form formulations are derived and verified by simulations with practical design limitations carefully taken into consideration and good agreement achieved.
引用
收藏
页码：195 / 199
页数：5
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