【摘要】 提出了一种新颖的快速数字式自动增益控制视放系统，采用了由模拟乘法器为核心的受控视频放大电路和以单片机为核心的数字式ＡＧＣ电路的方案．研制结果表明，系统在控制线性度、高速、抗干扰能力等方面具有良好的性能．更多还原

【Abstract】 This paper introduces a new speedy digital automatic gain control video frequency system which uses a controlled video frequency amplifier with integrated analog multiplier as its core and a digital AGC circuit with a single chip microcomputer as its core. The research result shows that the system has an advanced feature in the control of linearity, high speed and interference-free etc.更多还原