Variable gain amplifiers(VGA) used in the front ends of receivers need to amplify large signals with high linearity.

 
  • 針對接收機前端中可變增益放大器需要高線(xiàn)性處理大信號的問(wèn)題,分析了使用源極退化電阻以及跨導增強電路的放大器線(xiàn)性度;
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