Chapter 8

Broadband Class-E

Introduction

In this chapter, the reactance compensation technique applied to the circuits with lumped elements and transmission lines to provide a broadband operation of Class-E power amplifiers is introduced and analyzed. This technique can be directly used to design a parallel-circuit Class-E power amplifier because its load network configuration has exactly the same structure with shunt and series resonant circuits. Different circuit configurations and Class-E load-network techniques corresponding to broadband high-power RF power amplifiers operating in VHF and UHF bands, microwave monolithic integrated circuits of power amplifiers, and CMOS power amplifiers operating in a wide frequency range with high efficiency ...

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