... absolute amplifier 绝对放大器 ac amplifier 交流放大器 acoustic amplifier 扩音器; 声放大器 ...
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AC power amplifier 交流功率放大器
A variable gain AC amplifier is coupled to the detector circuit for amplifying the detector output.
一种可变增益AC放大器被连到检波器电路，用于将检波器输出放大。
The electrical signal is amplified electronically, with an increase in signal power occurring at the expense of the input AC power to the amplifier.
电信号被用电子的方法放大，即利用输入放大器的交流电能将信号的功率放大。
And the power amplifier can realize accurately tracking and amplification for ac signals with frequency range up to 1000hz.
功率放大器可以实现交流信号的准确跟踪和放大，输出频率范围可达1000赫兹。
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