A sensing circuit senses a black current level of the electron beam corresponding to the black level of the video signal and feeds back information about the black current level to the black level controlling circuitry for stabilizing the black current level.
检测电路对与视频信号的黑色电平相对应的电子束的黑色电流电平进行检测，并将与黑色电流电平有关的信息反馈给黑色电平控制电路，以便稳定黑色电流电平。
A full bridge high voltage pulsedarc stabilizing circuit which was powered by single power source is designed to avoid ofextinguishing of cross zero welding arc. This circuit can maintain the stable of arc di-directionallywhen small background current cross zero, ensure the stable burning of welding arc when weldingcurrent cross zero.
针对铝合金VP PMIG焊接电流过零后存在电弧再引燃问题，采用单电源供电方式，设计了一种全桥式高压脉冲稳弧电路，可实现小基值电流过零时的双向稳弧，保证了焊接电流过零时电弧燃烧的稳定性。
Using Buck-Boost topology based on PWM, a new-type voltage-stabilizing circuit for permanent magnet generator were designed.
根据PWM控制原理，采用Buck-Boost拓扑结构，设计了一种应用于永磁发电机的新型稳压电路。
It is characterized by that it includes the following several portions: trans former for transforming inputted power supply voltage; power supply control IC for controlling working state of transformer; and voltage-stabilizing circuit portion for detecting inputted voltage of transformer, comparing it with specific reference voltage and controlling working state of power supply control IC.
显示设备的供电装置，其特征在于，包括如下部分：对输入电源电压进行变压的变压器；对变压器的工作状态进行控制的电源控制IC；检测变压器的输入电压，与特定的基准电压进行比较，控制电源控制IC工作状态的稳压电路部。
Emulator failure analyzing software is developed, which is about half-wave commutating and voltage-stabilizing circuit.
开发了半波整流稳压电路故障分析仿真软件。
The invention is voltage stabilizing circuit that includes regulating controlling unit and comparing unit.
本发明是一种稳压电路，包括调整控制单元及比较单元。
This paper presents a new high-voltage high-speed Q-regulated switching power and describes the design of the mixed main circuit of MOS transistor and electron tube, and also some support circuit such as the interface circuit, MOS drive circuit, overflowing protect circuit and high-voltage stabilizing circuit.
介绍一种高压快速调Q开关电源，设计了以功率MOS管驱动高压电子管为主电路的快速开关，并设计了电源的接口电路、MOS管驱动电路、过流保护电路及高压源稳压电路。
Given the need of the transmitter circuit of the ground penetrating radar for a power supply with direct current and high voltage, this paper presents an improved voltage stabilizing circuit.
针对探地雷达发射电路对于直流高压电源的需要，提出改进型稳压电路。
The Fault and Maintenance of the Lamp Power Supply and Voltage Stabilizing Circuit for 721 Spectrophotometer
721型分光光度计灯电源电路和稳压电路故障维修
This article will introduce an improved78XX voltage-stabilizing circuit, which avoids the weaknesses of the traditional circuit and also improves the transforming efficiency.
文章介绍了78XX系列三端稳压电路的改进电路，克服了传统电路的缺点。
The television picture tube field output circuit mainly comprises a field output integrated circuit N301 and a field scanning deflection coil DY; a voltage stabilizing diode VD301 is connected between a positive sawtooth wave input signal V plus of the N301 and the ground; the voltage stabilizing diode VD302 is connected between a negative sawtooth wave input signal V minus of the N301 and the ground; and a clamping diode VD304 is connected between a power supply end-Vcc of the N301 and the ground.
它主要包括有场输出集成电路N301和场扫描偏转线圈DY，在N301的正极性锯齿波输入信号V 和地之间接有稳压二极管VD301，在N301的负极性锯齿波输入信号V-和地之间接有稳压二极管VD302，N301的供电电源端-Vcc和地之间接有嵌位二极管VD304。
Single phase whole wave commutation circuit and voltage-stabilizing circuit are adopted to supply tag voltage.
基于效率与功耗的考虑，采用单相全波整流电路和稳压电路为标签提供工作电源；
There are four parts which make up of Optical Powered Battery, the semiconductor laser and its driving circuit, the fiber used in optical transfer, photoelectric part and the DC-DC model. The voltage-stabilizing step is now focused on the control of constant-power in the semiconductor laser.
光电转换电源主要由激光器及驱动电路、传输光纤、光电转换器和DC-DC变换模块组成，其稳压措施主要集中在激光器的恒功率控制上。
This paper analyses the principle of operation of single stabilizing circuit which can be modulated continuously between 0.5s~7s output pulse breadth. The calculation formula of the output pulse breadth can be thus deduced and the thoretical basis for practical work can thus be offered.
本文分析输出脉冲宽度从0.5s&7s连续可调的单稳态电路的工作原理，并推导出输出脉冲宽度的计算公式，为实际工作提供理论根据。
The design of, circuit units, funda- mental principle, requirement of components, and power protection of tunable voltage-stabilizing power comprised by LM317 molectron introduced in detail in this paper.
LM317系列芯片是目前应用较为灵活的集成稳压器，本文对由LM317构成可调式稳压电源的各部份电路组成、基本工作原理、器件的要求、电源保护功能等作了较为详细的介绍，给出了设计过程的基本理论及实测数据。