电路的电源电压为3 ~18V，适用于各种类型的数字逻辑电路的逻辑电平判断。
The circuit supply voltage is 3 ~ 18 v, suitable in logic level of kinds of digital logical circuits.
为减少表面积有机电源电路位于压电薄膜扬声器下面。
The organic powersupply circuit is located under the piezo film speaker to reduce surface area.
本文使用双电流控制模式，以智能芯片uc 3842为核心，设计了单片开关电源的实用电路。
In this paper, by the use of dual-current control mode and intelligent UC3842 chip as the core, a single-chip switching power supply circuit are presented.
在正弦稳态电路中，当负载阻抗与电源内阻抗为共轭匹配时负载获得最大功率传输。
The load obtains the maximum power transmission when loaded impedance and power source internal resistance for conjugate match in sine stable state electric circuit.
在此基础上建立了射频激励CO_2激光器放电气体等效电路，为射频电源的成功研制准备了必要的条件。
Based on the analysis and study, the RF excited CO_2 laser of discharging gas equivalent circuit can be designed and provide the essential condition of the RF power.
为使打印机工作于电池供电的便携模式，设计了高效率电源管理电路。
To make the printer work in portable model with battery-powered, a high-efficiency power management circuits is designed.
采用以射频卡U2270B器件为核心完成支撑电路设计，包括电源模块、频率模块、天线模块和数据输入；
The circuit design is carried out by taking chip of RF-ID U2270B as core, including power module, frequency module, antenna module and data input;
同时，电视机内部尚有电源电路为呆板提供能源。
Meanwhile, television interior and power circuit for machines provide energy.
最后以某航空机电产品的电源电路为案例，对本预计方法进行验证。
The article takes an aviation power supply circuit as an example to illustrate the method.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
It is a special power supply equipment designed recently for ut track circuit without insulation.
电源模块为系统控制电路、变频驱动电路、变送电路、DSP芯片提供不同要求的电源。
The power supply module provides the control circuit, the drive of frequency conversion circuit, transaction circuit and DSP with different power supply.
本次课题研究能够用于白光LED驱动的电源管理方式，并设计其主要的模拟电路模块，为实现低功耗、低成本的LED驱动器提供技术参考。
The purpose of this task study a new power management way used to drive white LED luminescence, and design the general analog circuits'module.
为提高系统的可靠性，还设计了对电源控制保护器功能模块的自检测（BIT）电路和采取了有效的硬件与软件抗干扰措施。
To improve the system reliability, the build-in-test( BIT) circuits are also designed, and the effective hardware and software anti-disturbance methods are adopted.
它除了给机车上的蓄电池充电之外，还给机车提供稳定的110V辅助电源，为控制系统以及信号发生电路供电。
Besides the storage battery charging, it works as a stable 110v auxiliary power supply which provides electric energy to the control system and signal produced circuit.
以三端稳压集成电路LM317为基础，设计了一种16级数控直流稳压电源，介绍了该电源中可调电阻的选取与实现。
In this paper, a 16 stages digital controlled DC stabilized voltage source based on LM317 is designed. Selection and realization of the adjustable resistance in this source is introduced.
文章采用单位功率因数pwm整流器和斩波电路组成开关电源主体，建立以pwm整流电路为输入电路的新型开关电源。
In this paper, using unity power factor PWM rectifier and chopper circuit, it establishes a new type of switching power supply about PWM input rectifier circuit.
主电路为单电源供电，控制电路以高性能单片机80c 196kc为核心，实现了对喷焊过程的自动控制。
Its principal circuit is that of single power supply and the control circuit takes the high-performance monolithic computer 80c196kc as its kernel to implement automatic control of hardfacing process.
为提高数字电路实验箱的利用率和可靠性，本文针对数字电路实验箱存在的问题，提出了电源和面板改进方法。
In order to increase the occupying coefficient and reliability of digital experiment boxes, we improve power supply and panel design. The design method and the circuit diagram are presented.
QF2为控制电路电源开关。
本文以降压电路设计为应用典型例子，介绍了MC 34063做为斩波型开关电源的设计计算方法。并经过实验结果证明该设计计算的切实可行性。
The paper describes a typical design of buck circuit on MC34063 and proves that the design method is correct as result of experiments.
为提高系统的可靠性，还设计了对电源控制保护器功能模块的自检测电路和采取了有效的硬件与软件抗干扰措施。
To improve the system reliability, the buildintest circuits are also designed, and the effective hardware and software antidisturbance methods are adopted.
为保证信号和电源的完整性，需要对硬件的走线、过孔、电源等方面进行研究与设计，从而保证电路板的工作可靠性。
To guarantee the integrity of signal and power, the layout, through-holes and power in the hardware should be designed carefully to provide the high working reliability of the circuit board.
以LKJ2000型监控电源插件为例，介绍模块化电源的功能，阐述了模块化电源的过压、欠压保护电路的工作原理及各路输出过流保护电路的工作原理。
Taking the power board of type LKJ2000train monitoring and recording device as an example, the paper describes the function of the modular power supply.
电路的电源必须为每个栅 门提供这些能量。
This power must be supplied by the power supply for each gate in the circuit.
经过比较，选用单向电压源高频链逆变器作为逆变电源的主电路拓扑，采用的飞利浦单片机P 87lpc 768为该电源的主控芯片。
After compares, a unidirectional power flow mode inverter using high frequency link is selected as the main topology and the inverter is controlled by P87LPC768 that is made by Philips.
介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
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