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读者诸君热知用功率晶体管,场效应管,电子管或IC模块等元件制作的音频功放电路,然而到用三端可调稳压集成电路制作功放知者就不是很多了。本文介绍用二片三端稳压电路制作的功放,由于稳庄电路内部合有过热、过流及短路等保护电路,因此制作的功放具良好的保护功能,电路结构简单,频响、失真度指标亦很不错。
Readers dare to know the use of power transistors, FETs, tubes or IC modules and other components made of audio power amplifier circuit, however, to the three-terminal adjustable voltage regulator IC amplifier is not a lot of knowledge. This article describes the use of two three-terminal regulator circuit made of power amplifier, stable circuit due to the internal circuit overheating, over-current and short circuit protection circuit, so the amplifier with good protection, the circuit structure is simple, frequency response, distortion The indicator is also very good.