电容电路

The circuit possesses many properties of current-mode circuit. Its sensitivity is lower, and its pole angular frequency and quality factor can be tuned accurately and independently, and the circuit is very easy in this process.

该电路不仅具有电流模电路的特点，而且其无源灵敏度低，电路简单；品质因素、极点角频率取决于电容比值和电阻比值，从而可实现二者的独立、精确调节。

The key part of light alarm circuit of the system is the flashing tube and the life level of the main charge and discharge capacitance. Thus ,in this design, adopted autotransformer step-up type, two-level filter and double flashing tube, in order to light the burden of the main charge and discharge capacitance, reduce the heat productivity and extend the life level of the capacitance.

在系统的光报警电路中关键部件是频闪管和主充放电容的寿命，因此在电路设计中采用自耦变压器升压方式和双级滤波、双频闪管等独特的电路结构，减轻主充放电容的负担，减少发热量，延长电容使用寿命。

Meanwhile , based on the AT89C51 microcontroller, the system are made up of the double-Level capacitive sensor , the detection circuit of sensor signals, CPU and display circuits, alarm circuits and system software.

同时该系统以AT89C51单片机为微控制器，由双电容式料位传感器、传感器信号检测电路，CPU及显示电路、报警电路和系统软件等构成。

Meanwhile , based on the AT89C51 microcontroller, the systemare made up of the double-Level capacitive sensor , the detection circuit of sensor signals, CPU and display circuits, alarm circuits and system software.

同时该系统以AT89C51单片机为微控制器，由双电容式料位传感器、传感器信号检测电路，CPU及显示电路、报警电路和系统软件等构成。

Adopting the equivalent capacitance multiplicative circuit, design an internal-compensation network to reduce the quantity of exterior components.

与传统的外部频率补偿电路不同，本文利用电容等效乘法电路，实现了频率补偿电路的内部集成，减少了外围元件的使用。

Feedback is from the cathode circuit to the grid circuit via the capacitive divider C2 and C3. C3 is variable, to allow exact tuning to 1.00 MHz.

阴极到第一栅的回授电路是通过C2和C3组成的电容分压电路实现的。C3用可变电容以似的电路能在1MHZ上准确震荡。

The humidity sensor includes a ring oscillator circuit, which converts the capacitance variation into the resonant frequency output.

讯号处理电路是采用环状振荡电路，当吸咐水汽后电容值增加，会使得电路中振荡频率下降，藉此量测环境中湿度的变化。

In the system, a finepositioning window signal generating circuit redundant, sample and hold circuit of positioning error signal using no traditional charge/discharge method but high-speed switches and operational amplifier integrators, and cross-zero detector with threshold for higher reliability, is originated by the author in this paper.

综合面伺服和扇区伺服的各自优点，设计完成了4000 TPI光刻伺服解调系统：在设计中，首创了带冗余的精定位窗口信号生成电路，采用高速模拟开关和运放积分电路代替传统的电容充放电法，以完成精定位位置误差信号的平均与采样保持，使用带阈值的过零检测电路提高过道脉冲的可靠性。

The capacitance gaps on both sides of mechanical oscillator in the torsion pole spring tiltmeter are difficult to be the wholly same because of the machining error, so the variation of ambience temperature and its grads will lead to the inconsistent variation of capacitances on both sides and the output of capacitance transducer circuit will also change.

由于加工误差的存在，扭杆弹簧倾斜仪中的机械振子的两边电容间隙很难完全一样，周围环境温度及其梯度波动会引起两边电容的变化不一致，电容传感电路的输出也会发生变化。

A CMOS front-end ASIC for semiconductor radiation detectors is proposed.The ASIC comprises a charge sensitive amplifier,a gm-C type shaper,a peak detect and hold circuit,and two discriminators.The PDH and the discriminators,together with some logic circuits,provide the capability to reject trailing edge pile-up.The circuit has been designed in a 0.5?

提出了一种用于半导体辐射探测器读出的CMOS前端电路，该ASIC电路包含电荷灵敏放大器、跨导-电容型脉冲成形器、峰值检测/保持电路和甄别器，后两者结合一些逻辑电路实现了抑制脉冲成形器输出波形尾缘堆积的功能。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷