电路

And the main circuit chart used microsoft office visio to draw up, has realized the filter circuit, the leveling circuit, the contravariant electric circuit's composition design.

其中主电路图使用了microsoft office visio来绘制，实现了滤波电路、整流电路、逆变电路的组成设计。关键字：单片机 V/F控制 HEF4752

This design separately uses series linear constant voltage circuit, series regulate constant current circuit and the feedback type contravariant circuit to design direct current constant voltage power supply, direct current constant current power supply and DC-DC converter.

本设计分别用串联型线性稳压电路，串联调整式稳流电路和反馈式逆变电路设计直流稳压电源，直流稳流电源和DC-DC变换器。

Finally, the model of the control circuit and the connection between main circuit and control circuit is discussed.

最后论述了采用面向结构图的控制电路数学模型的建立、仿真算法及主电路和控制电路之间的连接方法。

In chapter four, the transmission mechanism of non-contact ultrasonic driving based on traveling wave with cylindrical vibrator is analyzed systematically.

并根据电路三相电路和三相负载的连接原理，推广到圆筒型非接触超声波驱动器的四相电路和四相负载的连接方法，提出了星形—星形接法和四边形—星形接法。

The design includes personally fabricating Dupi surrounding voice decipherer by using ordinary electronic devices, using DC control technology in the predrive amplified circuit and applying active servo-technology to the over-loaded low voice curcuit .

本文介绍了一种新型功率放大电路的设计，利用普通元器件自制杜比环绕声解码器，将直流控制技术应用到前置放大电路，将有源伺服技术应用到超重低音电路，各具特色，LM3886功率放大芯片，功率大，效果好。

In Two-Transistor Flyback Converter circuit, a power semiconductor device in Flyback Converting circuit has been replaced by two power semiconductor devices which parallel connected with an ultra-fast diode with soft recovery characteristics. Two-Transistor Flyback Converter can reduce greatly the switching stress of the power switch and does not need to degausser, suitable for high input voltage Switching Power Supply.

反激变换是从Buck-Boost变换演变而来的，将反激变换电路中的单个功率开关管用两个替代，并在每个功率开关管上并联一十箝啦的快恢复二极管而形成的双晶体管反激变换电路，能大大降低功率开关管承受的开关应力，且不需要消磁电路，非常适用于高输入电压的开关电源。

Electricity The power decrease caused by resistance in a circuit, circuit element, or device.

损耗：由电路、电路元件或电路装置内的电阻造成的电力下降

A large number of diagnostic experiments have been done using the special diagnostic program written by the author including several special-purpose simulation experiments for tolerance effects, and the tests of two practical circuits.

另一种方法适合于模块级故障诊断，避开了将非线性部分线性化的工作，除对无故障时的非线性电路要进行一次电路分析外，诊断过程可完全按线性电路进行，计算量小。

This paper theoretically studies the design of the negative coefficient fourfold differential circuit formed by single operational amplifier.

从理论上研究了单块集成运算放大器构成的负系数四次微分电路的设计，着重分析了该电路的直流误差，并给出了电路的设计公式。

In this thesis, we have successfully utilized the combination of MOS and HBT to design negative differential resistance circuit, which is called as MOS-HBT-NDR circuit.

在本论文中，我们已经成功利用MOS与HBT的组合来设计负微分电阻电路，我们称此负微分电阻电路为MOS-HBT-NDR电路。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。