3、 design a AD603 asthecontrolcenter ofthe broadband DC amplifier. Inthis design, intendedtocontrol by the AGC circuit inorder toachieve theinputsignalwaveformamplification.Relevantinformation through research,in order tooptimizethe gain control hasa good advantageof the volatilityof theerror
4、,this design makes theDC amplifierhasexcellentperformance,interference,highefficiency,simple and otheradvantages.keywords:A/D603;ProgrammableGain;AGC目录1引言11.1宽带直流放大器的市场运用前景11.2宽带直流放大器的科学研究意义11.3本课题研究主要内容和重难点12系统整体的设计方案22.1宽带直流放大器的基本原理22.2.设计宽带放大器所需的的主要技术指标22.3宽带放大器模块的比较和选择32.3.1宽带放大器的直流稳压电源3