voltage controlled amplifier 压控放大器 ; 电压控制的放大器 ; 电压控制放大器 ; 可控电压放大器
Gain-Controlled Amplifier 增益控制放大器
sound controlled amplifier 声控放大器
VCA Voltage Controlled Amplifier 压控放大器 ; 电压控制的放大器
VCA A Voltage Controlled Amplifier 压控放大器
gain controlled amplifier 增益可控放大器
Program-controlled amplifier 程控放大器
The principle of the most significant bits digital decoder-13 bits DAC is described in detail, and the gain controlled amplifier is theoretically analysed.
详细叙述了高位数字译码器13位DAC的工作原理，并对可变增益放大器作了理论分析。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
This paper introduces the structure, hardware circuit and software design of PWM DC power amplifier controlled by microcomputer.
本文介绍了单片机控制的PW M直流功率放大器的结构形式、硬件电路以及软件设计。
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