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采用Doherty结构的功率放大器设计9 O/ L! [8 g! F N1 b
Introduction Why a power amplifier is important?
9 |2 X: x" G1 R8 O/ sPower amplifier is a key element to build a wireless communication system successfully.
2 b7 R# F* C: A, ^) b" \& K% fThere is a trade-off between power per cost vs. efficiency and linearity.! x, w* T9 U" [5 B% Y. c1 {
Digital communications require more peak power for the same bit error rate.
$ l3 I3 y; }& A @3 jTo minimize spectral re-growth and inteRFerences, transmitters have to be more linear." t ]& B5 A: A& S3 e7 g
Clear modulation scheme requires more higher power and broader bandwidth.1 B" K5 P3 J z8 [0 E7 @) p
What is a solution from Ansoft?
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发表于 2018-11-13 09:13
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