本文清楚、直观地演示了运用仿真优化和实际测试相结合来设计功率放大器的整个过程。仿真和实际的测试结果显示,所设计的功率放大器完全满足设计指标要求。这种仿真与实际测试结果的一致性验证了该方法的有效性。实际测试结果表明,采用这种方法设计的驱动级功率放大器输出功率达20.62 dB,增益高达28 dBm,二次谐波分量为-25 dBc,完全满足设计要求。故该放大器能够很好地应用在RFID功放系统中,以提高系统的性能。
参考文献
[1] GILMORE R,BESSER L.Practical RF circuit design for modern wireless systems,volume II,Active Circuits and Systems[M].London.Artech House,2003.
[2] STEVE C.CRIPPS.RF power amplifiers for wireless comunications[M].Artech House,1999.
[3] LUDWIG R,BRETCHKO P.RF circuit design:theory and applications[M].Englewood.Prentice-Hall,Inc,2000.
[4] ULRICH L R,DAVID P N.RF microwave circuit design for wireless applications[M].John Wiley & Sons,Inc.2000.
[5] GREBENNIKOV A.RF and microwave power amplifier design[M].McGraw-Hill Companies,2005.
[6] GONZALEZ G.Microwave transistor amplifiers analysis and design[M].Prentice-Hall,Inc,1997.