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提出了采用单稳态触发器对采集的PWM波形进行占空比门限处理的方法。This paper brings forward a method of threshold processing PWM signals duty cycle by employing monostable multivibrator.

采用555定时器构成单稳态触发器，设计出一套PWM波形占空比门限处理电路。By using a monostable multivibrator consist of 555 timers, a circuit of threshold processing PWM signal's duty cycle is proposed.

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它利用多谐振荡桥励磁的单纳米晶磁芯双绕组差动对称结构。The sensor has differential symmetric structure with single nanocrystalline core and double coils excited by multivibrator bridge.

现有的关于磁耦合多谐振荡器的不少文献，是用磁饱和现象来说明问题的。In current literature, the operation of a magnetic-coupled multivibrator is usually explained on the assumption of magnetic saturation.

本文采用软磁坡莫合金环和场效应管设计了一种结构简单的非接触式直流电流传感器。A non-contact direct current sensor with a permalloy core and Mos-FETs based on the principle of the magnetic multivibrator has been designed.

介绍了用555定时器构成的单稳态触发器的工作原理，对其功能作了进一步探讨，在此基础上设计了一种具有实用价值的定时-非定时两用开关。The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper, and the time switches are designed.

根据单稳态触发器定时单元特性，提出了单稳态触发器的一般结构。According to the characteristics of the monostable multivibrator and the feature of the timing unit, the paper proposes general structure of the monostable multivibrator.

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设计了单片机控制双臂电桥测量低电阻电路、多谐振荡测量电容电路、辅助调平电桥电路、输出显示等电路。The two-arm bridge measuring low resistance circuit of MCU control, multivibrator measuring electric capacity, auxiliary leveling bridge circuit, output display circuit are designed.

象图12所表示的，给图9的电路增加第二个电阻RB，使其连接触发器，用阀值引起定时器自触发，使其象一个多频震荡器一样。As shown in Figure 12, adding a second resistor, RB, to the circuit of Figure 9 and connecting the trigger he threshold input causes the timer to self-trigger and run as a multivibrator.

其传感器是利用对磁场具有高灵敏度的钴基非晶态合金丝作为敏感材料，并采用单磁芯双绕组结构、多谐振荡桥励磁，它是一种体积小、性能高的新型磁场传感器。Using single amorphous-core and double-winding as the sensitive element excited by multivibrator bridge, a kind of weak magnetic sensor with small size and high performance is developed.

介绍非晶合金双磁芯多谐振荡磁强计的工作原理及研制过程，并对其特性进行测试。The principle and the development process of amorphous metal alloy double core multivibrator bridge magnetometer are introduced. The characteristics of the magnetometer were investigated.

对基本的多谐振荡器电路进行了改进和优化设计，设计了适用于峰值电流模式PWM升压型DC-DC变换器斜坡补偿电路中的CMOS斜升波发生器电路。CMOS ramp-wave generator based on a conventional multivibrator is designed and optimized to offer the ramp-wave for slope compensation in a peak current controlled PWM BOOST DC-DC converter.

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采用单稳触发器进行脉冲整形和过冲抑制，其中脉冲整形宽度为300ns，单稳方波宽度为1μs。The mono-stable multivibrator is used to standardize pulse and inhibit the overshoot, the pulse width of standardized square wave and the inhibition square wave is 300ns and 1μs respectively.

同时利用CMOS多谐振荡电路产生窄脉冲电流序列对前面处理过的非晶带进行激励，制作成灵敏度高、稳定性好、功耗低的弱磁场传感器。A sensitive, stable and low power consumption magnetic sensor is constructed using a CMOS multivibrator circuit, in which a sharp pulse train current is applied to the treated amorphous ribbon.