【技术应用笔记】低成本，双芯片电压控制放大器和视频开关 AN-213 One Technology Way s P.O. Box 9106 s Norwood, MA 02062-9106 s 781/329-4700 s World Wide Web Site: http://www.analog.com ǖCharles KitchinAndrew WheelerKen Weigel (VCA) VCA 60MHzAD539JN ADI……