Bandpass delta-sigma class-S amplifier

被引：0
|
作者：
机构：
[1] Iwamoto, M.
[2] Jayaraman, A.
[3] Hanington, G.
[4] Chen, P.F.
[5] Bellora, A.
[6] Thornton, W.
[7] Larson, L.E.
[8] Asbeck, P.M.
来源：
Iwamoto, M. | 1600年 / IEE, Stevenage, United Kingdom卷 / 36期
关键词：
CMOS integrated circuits - Delta sigma modulation - Electric network analysis - Electric network topology - Intermodulation;
D O I：
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学科分类号：
摘要：
A class-S amplifier with a bandpass delta-sigma modulated input is demonstrated using CMOS devices at 10 MHz. With a two-tone modulated input, third-order intermodulation products below -40 dBc were measured, with an output power of 26 dBm and a drain efficiency of 33%. This new amplifier topology demonstrates promising performance for simultaneously achieving high linearity and efficiency.
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