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1·The A/D converter function chart and parallel converter circuit is given.

并给出了 A/D 转换器并行工作的实现框图和实用电路。

2·Single flyback converter circuit, as well as the PWM signal, is used to control the MOSFET.

使用单端反激变换器电路，用PWM信号控制开关管MOSFET。

3·For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.

对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。

4·Some analysis is made toward the common interference of frequency converter circuit and some countermeasures to interference are suggested.

对变频器电路常见的干扰作了分析，并提出了抗干扰措施。

5·The data acquisition is composed by signal adjusting circuit, anti-jamming filter circuit, AD converter circuit and a RS232 serial communication circuit.

数据采集部分主要由信号调理电路、抗干扰滤波电路、模数转换电路及串行通信电路等组成。

6·A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.

电力变换器主电路部（3），其根据该脉冲宽度调制波对 开关元件进行驱动，将直流电压转换为三相交流电压；

7·The device is consisted of ECG signal data acquisition, signal amplification circuit, anti-jamming filter circuit, AD converter circuit and information storage circuit.

该心电检测仪主要由前端信号采集电路、信号放大电路、抗干扰滤波电路、软件模数转换电路及数据存储电路等组成。

8·Each of the converter circuit branches may contain a power switching transistor, a diode or a winding of an isolated transformer in addition to general circuit components.

这种电路的每一支路中的元件，除一般电路元件外，还可能包括功率开关晶体管、二极管或隔离变压器的一个绕组。

9·In consideration of safety performance, power rating and applications of the recharger, the isolated half-bridge converter circuit is adopted in the main circuit topology.

基于充电机安全性能，功率等级以及应用场合的考虑，主电路拓扑选用的是带隔离的半桥逆变电路。

10·The active clamp ZVS-PWM power converter circuit has many advantages over the conventional PWM converters. The design and performances of high frequency power supplies are improved.

有源箝位ZVS- PWM开关变换器较硬开关PWM变换器有很大的优点，可以改进高频电源的设计，改善它的性能。