【技术应用笔记】利用单VGA实现60dB宽动态范围、低频AGC电路 AN-934 One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. t Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com VGA 60 dB AGC ǖJames Staley ) AGC* VGA 1 ……