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丙类谐振式射频功率放大器的优化设计
摘要：随着无线通信技术的高速发展，市场对射频电路的需求越来越大，同时对射频电路的性能要求也越来越高。丙类谐振功率放大器是位于无线发射机末端的重要部件，它通常被用作末级功放，以使发射信号获得较大的输出功率和较高的效率。本论文对EDA软件PSPICE进行了系统的研究，从而掌握了丙类谐振式功率放大器的仿真设计方法。首先，根据电路的性能指标要求，对丙类谐振式功率放大器的电路参数进行工程估算；然后，利用软件对估算的电路进行进一步的精确模拟分析，通过观测、分析丙类谐振式功放的负载特性、放大特性、调制特性的基础上，调整电路的参数，从而达到优化电路参数的目的，以使电路的各项性能指标满足预期的设计要求。
关键词：丙类谐振功率放大器； 电子设计自动化； 优化设计
Optimized Design of Class -C Resonance Radio-Frequency Power Amplifier
Abstract：With the rapid development of the radio communication technology, the market requirements for RF circuit are growing, calling for the higher demands of RF circuit performance, in which the class-C resonance Power-Amplifier is an important component at the end of the radio transmitter. It is usually used as the end-Power-Amplifier aiming at obtaining transmitted signal with high output power and high efficiency. In this dissertation，the simulation of the class-C resonant Power-Amplifier is given in detail by studying EDA software PSPICE, by using which the accurate simulation analysis of the estimated circuit is obtained after the Circuit parameters of the class-C resonant Power-Amplifier are estimated according to the circuit performance. On the base of observing and analyzing load characteristics, amplify characteristics and modulation characteristics, optimized Circuit Performance are obtained by adjusting the circuit parameters for the purpose of meeting the demands of the design.
Key world: Class-C resonant Power-Amplifier, EDA, Optimization Design
