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半导体功率放大器的几种电路形式中,互补推挽电路很受广大无线电爱好者的欢迎。该电路的工作原理、特别是电路中自举电容的作用书刊上已有许多文章作过介绍。这些文章把自举电容的工作原理讲得很通俗直观,读后很受启发。但是有些流行说法为求通俗过于简单,引起一些疑问,使人感到对自举电容的原理似懂非懂,不能确实掌握。下面想谈一点肤浅认识,请大家批评指正。
Among the several circuit forms of semiconductor power amplifiers, the complementary push-pull circuit is very popular with the majority of radio enthusiasts. The working principle of the circuit, in particular the role of bootstrap capacitors in the circuit has been described in many articles. These articles make the working principle of the bootstrap capacitor very popular and intuitive, very enlightening after reading. However, some popular ideas for the sake of the popular overly simple, causing some questions, people feel the principle of bootstrap capacitor is understandable, can not really grasp. Below to talk a little superficial understanding, please criticize correction.