毕业论文作者 学号 系部 电子信息工程 专业 电子信息工程 题目 作用于高保真音响设备的音频放大器 指导老师 丁文秋 评阅老师 完成时间: 年 月 日 毕业设计(论文)中文摘要题目: 作用于高保真音响设备的音频放大器摘要: 音频功率放大器简称功放,可以说是各类音响器材中最大的一个家族了。音频功率放大器的的设计是有很多意义的:它可将音源器材输入的较微弱信号进行放大,产生足够大的电流去推动扬声器进行声音的重放。目前音频功率放大由分立元件组成,或集电极输出完成,由分立元件组成的功放,电路结构简单,由集电极输出的功放,可减少信号失真。关键词:功率芯片 音频功率放大器毕业设计(论文)外文摘要Title : Role in high-fidelity audio equipment audio amplifierAbstract: PA short amplifier can be said that the various types of audio equipment in one of the biggest of the family. Practical low-frequency power amplifier design is a lot of significance: it can be imported audio equipment for a weak signal amplification, to generate enough current to drive the speakers to voice playback. At present power amplification by discrete components, or complete collector output from the amplifier composed of discrete components, circuit structure is simple, from the collector output amplifier can reduce the signal distortion.keywords: power chip Low-frequency power amplifier目录绪论...............................................................................................................................................................3二.放大器的程序设计...............................................................................................................................4(一)电路选型...................................................................4(二) 参数计算..................................................................5(三)元器件选择.................................................................5(四)验证定型.....................................................................