Variable-gain amplifier

（重定向自Voltage controlled amplifier）

A variable-gain or voltage-controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV).

VCAs have many applications, including audio level compression, synthesizers and amplitude modulation.

单词	Voltage controlled amplifier
释义	Voltage controlled amplifier 英语百科 Variable-gain amplifier （重定向自Voltage controlled amplifier） A variable-gain or voltage-controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV). VCAs have many applications, including audio level compression, synthesizers and amplitude modulation.
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