Maximally Flat Waveforms with Finite Number of Harmonics in Class-F Power Amplifiers

被引：5
|
作者：
Juhas, Anamarija [1 ]
Novak, Ladislav A. [1 ]
机构：
[1] Univ Novi Sad, Fac Tech Sci, Dept Power Elect & Commun Engn, Novi Sad 21000, Serbia
来源：
MATHEMATICAL PROBLEMS IN ENGINEERING | 2013年 / 2013卷
关键词：
D O I：
10.1155/2013/169590
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper general solution to the problem of finding maximally flat waveforms with finite number of harmonics (maximally flat trigonometric polynomials) is provided. Waveform coefficients are expressed in closed form as functions of harmonic orders. Two special cases of maximally flat waveforms (so-called maximally flat even harmonic and maximally flat odd harmonic waveforms), which proved to play an important role in class-F and inverse class-F power amplifier (PA) operations, are also considered. For these two special types of waveforms, coefficients are expressed as functions of two parameters only. Closed form expressions for efficiency and power output capability of class-F and inverse class-F PA operations with maximally flat waveforms are also provided as explicit functions of number of a harmonics.
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页数：9
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