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甲类功放为什么功率小

更新时间: 2020-11-07 00:00:00     

甲类功放功率小的原因是:

1、末级晶体管始终工作在线性范围内,晶体管自始至终处于导通状态,因而甲类功放功率小;

2、而且甲类功放始终保持着大电流的工作状态,这对大动态的音频信号能迅速反应很损耗功率,导致甲类功放功率小。

关键词: 甲类 功放 为什么 功率

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