High-efficient E type power amplifier optimized design method
A power amplifier and optimization design technology, applied in power amplifiers and other directions, can solve the problems of complicated design process, inability to guarantee performance meeting requirements, and energy consumption of matching network.
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[0037] The embodiment of the high-efficiency Class E power amplifier optimal design method of the present invention is described as follows:
[0038] 1) Suppose the output power P out =150mW, power supply voltage V dd =1.5v, working frequency f=2.4GHz, output Q value
[0039] =10
[0040] 2) According to (Formula 6~8):
[0041] L 1 =9.91nH C 1 =2.22pF R L = 20.45 ohms
[0042] 3)L 2 =13.56nH, C 2 =0.324pF
[0043] 4) The theoretical calculation of X is relatively complicated. In the actual simulation process, another method can be used: gradually change the value of X until the waveform of each node meets the working conditions of class E PA, and then determine the value of X.
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