Outphase Power Amplifiers in OFDM Systems

kevinwjs · 发表于 2008-10-20 19:59:42

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A trade-off between linearity and efficiency exists in conventional power amplifiers. The
outphase amplifying concept overcomes this trade-off by enabling the use of high efficiency,
non-linear power amplifiers for linear amplification. An amplitude modulated signal is first
decomposed into two constant amplitude, phase modulated signals that can be amplified
using two high efficiency switching power amplifiers. The two outputs are then recombined
to restore the original amplitude modulated signal. In this manner, an outphase power
amplifier can simultaneously achieve high efficiency and good linearity.

ahshima · 发表于 2010-8-23 17:06:53

ahshima · 发表于 2010-8-23 17:08:22

apptone · 发表于 2010-12-22 16:45:50

VERY GOOD

thomas_20005 · 发表于 2011-3-9 17:33:01

good book! thanks!

michael5x · 发表于 2011-7-4 14:06:17

ddddddddd

rukawa_rek · 发表于 2011-8-7 09:47:13

正在學習PA設計~~~希望資料有大大幫助!!
謝謝大大的分享丫~~~
這本書真的很不錯
一定要下載的
讚讚讚!!!!!!!!!!!!!!!!

efong · 发表于 2016-5-15 10:10:03

thanks!

jeffej · 发表于 2018-9-11 00:03:56

谢谢楼主分享~ very good !!!

Outphase Power Amplifiers in OFDM Systems

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