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乙类放大器(Class B Amplifier)
乙类放大器(Class B Amplifier)是一种利用两只或多只晶体管交替导通的功率放大器。其基本原理是让每只晶体管仅在输入波形的半个周期内导通。这样可以显著提高功率效率,减少因热损耗造成的能量浪费。 为了提高前述甲类放大器的整体功率效率,可以在输出 ...
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