作　　者： ; ;

机构地区： 广东松山职业技术学院

出　　处： 《机电工程技术》 2011年第8期86-87,132,共3页

摘　　要： 详细论述了一款并联型线性稳压电源的设计过程,并使用Multisim软件对其输出电压和带负载能力进行仿真。仿真结果:输出电压(15.785V)与理论设计(15V)相符,负载分别取325Ω、555Ω、775Ω、1000Ω时输出电压均为17.348V,彰显出并联型线性稳压电源"电源内阻低"的突出优点。经实践使用,与串联型稳压电源相对比,该并联型线性稳压电源对音频功率放大器的音质提高具有更好的效果。通过仿真与实践使用得出结论:并联型线性稳压电源应用在高保真音频功率放大器中,对音质的提高能起到立竿见影的效果。 This paper discusses the process of designing a parallel linear regulated power supply,and simulates its output voltage and load capacity with multisim software.The simulation result is that its output voltage (15.785V) conforms to the theoretical design (15V).When the load resistor (R6) is taken 325Ω,775Ω,555Ω,1,000Ω,the output voltages is 17.348V.The simulation result reveals that the parallel linear regulated power supply has the advantage of 'low-power resistance'.Compared with the series regulator,the parallel linear regulated power supply can more efficiently improve the sound quality of the audio power amplifier when it is put into the practice.Through the simulation result and practical use,it comes conclusion that the parallel linear power supply can be applied in the high-fidelity audio power amplifier and can improve its sound quality.

关 键 词： 并联型线性稳压电源 仿真 功率放大器

领　　域： [电气工程]