The operating principle of its PWM circuit, current display circuit and sequence timer circuit etc. are described.
论述了PWM电路、电流显示电路、程序时间调节控制电路等的工作原理。
Said main circuit can transform the voltage of power supply to working voltages needed by infrared control circuit, music circuit and timer circuit.
所述主回路将电源电压转变为所述红外线控制电路、音乐电路及计时电路所需的工作电压，所述红外线控制电路连接所述透射头。
This paper puts forward a new kind of scheme through analysis of PWM-to realized the conversion of D/A of16 bit resolution by using programmable timer circuit.
本文通过对PWM的分析，提出了一种新的方案，即用可编程定时器电路实现16位分辨率的D/A转换。
One of the engineers working with Daykin had designed a circuit that relied on a bimetallic timer.
迪肯的一个同事曾设计过依赖双金属计时器的线路。
The controllable silicon circuit controlled by monolithic microcomputer is introduced, which adopts external interrupt to obtain sync signals and controls conducting angel with a timer.
介绍了由单片机控制的可控硅电路，该电路运用外部中断获得同步信号，用定时器做导通角控制，并给出实用程。
Timer can use a different frequency pulses of different frequency pulse amplification by the speaker drive circuit filter, will emit different tones.
利用定时器可发出不同频率的脉冲，不同频率的脉冲经喇叭驱动电路放大滤波后，就会发出不同音调。
Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.
将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。
This paper presents a clock control circuit in which an electronic clock is made by a MCU AT89C2051 16-bit timer and real-time control is achieved by the electronic clock's function of precise timing.
提出的时钟控制电路，是利用单片机at89c 2051的16位定时器做成电子时钟，并利用电子时钟的精确定时作用实现了实时控制。
This paper introduces a circuit setting up and displaying the data of timer, counter and data register out of PLC. It gives the ladder-type Patterned program.
介绍了一种对定时器、计数器、数据寄存器的数据进行外部设定并显示的电路，并给出了相应的梯形图程序。
The circuit of a long-timing electronic timer described in the paper may be applied into clinical practice, labor...
本文给出的长延时电子定时器电路可用于医疗、化验室、家用电器等诸方面。
Abstract: 555 timer which sets the analog, digital in one of the large scale integrated circuit has been widely used.
摘要：555定时器是集模拟、数字于一体的中规模集成电路，它具有广泛的应用。
In this paper, the design of a low-power, high-precision and high-stability programmable timer ASIC is presented. The stabilizing circuit and low-power problems are studied and analyzed.
介绍了一种低功耗、高精度、高稳定性可编程定时器专用集成电路的设计，对其中的稳定性电路、低功耗问题进行了研究和分析。
In this paper, the optimization method was used to design the interface circuit, and use VHDL description to design low voltage digital delay timer.
在电路设计过程中，对后级接口电路进行了最优化设计，采用VHDL描述的方式实现了低压数字延时电路模块的设计。
The accurate timing-type solar photovoltaic controller comprises a microprocessor, a switching circuit, a crystal oscillator and a timer.
所述精确定时型太阳能光伏控制器包括微处理器、开关电路、晶体振荡器、定时器。
A power supply, the timer and the gear dividing switch are switched on by the circuit board.
通过接线板接通电源、定时器及分挡开关。
A power supply, the timer and the gear dividing switch are switched on by the circuit board.
通过接线板接通电源、定时器及分挡开关。
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