电子类毕业论文篇一：应用电子专业毕业论文毕业设计论文音频功率放大器的与调试孙梦琳指导教师姓名：专业名班级学2011年月日摘要音响技术是专门研究声音信号的转换，传送，记录和重放的一门技术。现代人对听觉水平要求越来越高，因此对音响的音质真实性要求越来越多高，本立体声功率放大器是以集成电路TDA2030A为主组成的立体声功率放大器，其采纳典型的功率放大电路，具有失真小、外围元件少、稳定性高、频响范围宽、保真度高、功率大等优点，同时采纳四运放GL324A对输入音频信号进展处理及高、低音进展操纵，从而更加保证输出声音的音质。这是一款特别适宜无线电爱好者和音响发烧友自制的音响套材。本功率放大器实际倾听，高音优美细腻，低音饱满圆润。关键词：TDA2030AGL324A功率放大AbstractAudiotechnologyisdevotedtothestudyofvoicesignalconversion,transmitted,recordandplaybackofaforeigntechnology.Themodernhearinglevelrequirementsmoreandmorehigh,sothesoundqualityofaudioauthenticitywantsmoreandmorehigh,thestereopoweramplifierisintegratedcircuitTDA2030Amainlycomprisedofstereopoweramplifier,anditsuseoftypicalpoweramplifiercircuit,whichdistortionissmall,lesscomponentperiphery,highstability,frequencyresponsewiderange,highfidelity,largepower,etc,andalsotheSiYunputGL324Ainputaudiosignalprocessingandhigh,thebasscontrol,andtherebymoreguaranteethequalitysoundoutput.Thisisaverysuitableforradioenthusiastsandaudiofancierhomemadeaudiosetofmaterials.Theactualpoweramplifiertolistento,treblegentlybeautifulexquisite。Keywords:TDA2030AGL324Apoweramplifier目录绪论................................................................1第一章音频率放大器简介.............................................21.1功率放大器概述...............................................21.2前置放大电路.................................................31.2.1单管前置放大电路.......................................31.2.2双管前置放大电路.......................................31.2.3集成电路小信号音频电压放大电路.........................41.3音质操纵电路.................................................41.4功率放大器保护电路...........................................51.5设计要求....................................................5第二章音频功率放大器的组成.........................................62.1整体电路原理................................................62.2电源部分....................................................82.3前置放大部分................................................92.4功率放大部分...............................................10第三章线路板的设计