一种自动增益控制电路、其方法以及解调装置，能够高速精确地获取电平，防止产生误差和系统破坏。
An automatic gain control circuit, its method, and demodulation apparatus capable of high-speed accurate level capture and preventing generation of an error and system destruction.
随后，本文给出了380V电源供电的二电平变频加热电源的主电路和控制电路的设计与实现。
Secondly, the paper designs and realizes the two level variable frequency heating power supply with line of 380V.
然后分别介绍控制电路和主电路设计原理与思路，重点论述了混合电平逻辑设计中的接口解决方案、A/D采样电路、SPI通讯接口电路及主电路的保护等；
The key points lies in interface resolve method in hybrid voltage-logic design, A/D sampling circuit, SPI communication port and the protect of the main circuit.
场脉冲信号形成及宽 度控制电路产生宽度受伴音电平控制的场脉冲信号A。
The field pulse signal forming and width control circuit generates a field pulse signal A with the width being controlled by the accompanying sound electric level.
该改进的功率输出控制电路包括检波器电路，用于将输入信号整流产生代表输入信号功率电平的DC输出。
The improved power output control circuit includes a detector circuit for rectifying an input signal to produce a DC output representing power level of the input signal.
提出了一种新颖的移相控制零电压开关三电平变换器，分析了该变换器的工作原理，并给出了移相控制电路和驱动电路。
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
提出了一种新颖的移相控制零电压开关三电平变换器，分析了该变换器的工作原理，并给出了移相控制电路和驱动电路。
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
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