结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
最大电流恒定及截止式电路保护装置，免除故障手机线路板进一步损坏。
Protection devices of maximum current steady and cut-off electric circuit avoid further damage of failure phone circuit board.
增加的等效电感可以容易控制DGS平面电路的截止频率特性。
Increasing the effective inductance makes it easy to control the cutoff frequency characteristics of the DGS planar circuits.
截止频率是影响共发射极、共基极和共集电极电路频率特性的重要因素。
Cut off frequency is the main factor influencing frequency properties of electrode circuits of common emitter, common base and common collector.
分析了各部分的电路结构及特点，讨论了PW M脉宽调制信号生成、逻辑信号综合、驱动控制及电流截止负反馈的具体应用，在此基础上给出了实验数据及结果分析。
It analyses some main circuits's features, including PWM signals, logic synthesis, driver and negative feedback of current cut-off and at last gives the result of experiment.
根据“虚短”和“虚断”的特点，可得到电路的通带电压放大倍数和通带截止频率。
According to "virtual short" and "virtual-off" feature, available to the circuit passband voltage gain and pass-band cut-off frequency.
过 压保护和电流截止负反馈等电路来提高运行可靠性。
The system adopted some over-current, over-voltage protection and current cut-off feedback circuits to improve systems reliability.
当频率高于截止频率时，随着频率的升高，电压放大倍数将降低，由此电路具有“低通”的特性。
When the frequency is higher than the cut-off frequency, as the frequency increases, voltage amplification factor will be reduced, thus the circuit has a "low-pass" characteristics.
但是它的一个固有缺陷是功率晶体管截止期间变压器必须磁复位，因而需要采用附加的复位电路。
One inherent limitation of the forward converter is that the transformer must be reset during the power transistor off period. Thus, additional reset circuitry has to be used.
该线电压极性检测电路检测线电压的 极性且控制该驱动电路以导通或截止该栅控晶体管。
The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.
该线电压极性检测电路检测线电压的 极性且控制该驱动电路以导通或截止该栅控晶体管。
The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.
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