An Off-Nominal Class E Amplifier-Design Oriented Analysis

被引：1
|
作者：
Mikolajewski, Miroslaw [1 ]
机构：
[1] Warsaw Univ Technol, Inst Radio Elect & Multimedia Technol, PL-00661 Warsaw, Poland
来源：
ELECTRONICS | 2023年 / 12卷 / 10期
关键词：
Class E; ZVS; off-nominal; maximum frequency; switch losses; sub-optimum; E POWER-AMPLIFIER; EFFICIENCY; OPERATION;
D O I：
10.3390/electronics12102203
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper analyses an off-nominal Class E ZVS amplifier, with an R.F. supply choke and the switch on-duty ratio D = 0.5, to identify conditions for its high-frequency and high-efficiency operation. Simple user-friendly analytical expressions for the essential parameters of the amplifier have been derived and subsequently validated by simulation and experimental results. It has been proven that the off-nominal amplifier can be optimized to outperform the nominal Class E amplifier with respect to crucial parameters such as, e.g., power efficiency or the operating frequency in some applications.
引用
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页数：16
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