基于AD8332的可控增益放大器设计与实现  

Design and Implementation of Variable Gain Amplifier Based on AD8332

作　　者：孙连昊 王亮[1] 石建飞[1] SUN Lianhao;WANG Liang;SHI Jianfei(The Third Institute of China Electronics Technology Group Corporation,Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第三研究所,北京100015

出　　处：《电声技术》2020年第7期80-82,96,共4页Audio Engineering

摘　　要：介绍了一种基于AD8332芯片设计并实现可控增益放大器的方法。该设计应用在多波束成像声呐系统中,能有效根据被探测物反射声学信号强度调整接收机放大倍数,明显改善声学信号拾取质量,从而提高系统的检测概率。This paper introduces a method of designing and realizing variable gain amplifier based on AD8332 chip.The design is applied to multi beam imaging sonar system,which can effectively adjust the receiver magnification according to the intensity of acoustic signal reflected by the detected object,so that the quality of acoustic signal pick-up is significantly improved,so as to improve the detection probability of the sonar system.

关 键 词：AD8332芯片 可控增益 放大倍数 放大器 

分 类 号：TN722.3[电子电信—电路与系统]