电荷泵

A TD-SCDMA frequency synthesizer is designed in this paper, third-order interpolative Delta-Sigma fractional PLL has been adopted for the frequency synthesizer designed.

本论文设计了一个基于三阶内插型Delta-Sigma小数分频电荷泵锁相环结构的TD-SCDMA频率综合器。

In broadband datacommunications systems and optic fiber communications systems, phased-lockedloops recovery clock signals from the input NRZ data and retime the data.

本文首先简述了锁相环的历史、发展与应用，并紧接着论述了电荷泵锁相环的重要性。

The commutated power of charge pump type was put forward, combining with the technical control demands of electromagnetic forming machine.

结合电磁成形机工艺控制要求，提出了以稳流整流为主，并最终稳压的&电荷泵&式整流电源。

Simulation results show that the new circuit is superior to conventional charge pumps.

仿真结果表明，新的电路结构比传统的电荷泵具有更优越的性能。

The charge pump electronic ballast circuit which employs a charging capacitor and a high frequency AC source to implement the power factor correctionhas become an attractive topology for the ballast of the fluorescent lamp.

电荷泵式电子镇流器，采用充电电容和高频交流源，以实现功率因数校正，这已成为荧光灯镇流器中极有吸引力的电路拓扑。

The charge pump electronic ballast circuit which employs a charging capacitor and a high frequency AC source to implement the power factor correctionhas become an attractive topology for the ballast of the fluorescent lamp.

西安无线电二厂，陕西西安710016）摘要：电荷泵式电子镇流器，采用充电电容和高频交流源，以实现功率因数校正，这已成为荧光灯镇流器中极有吸引力的电路拓扑。

A charge pump type booster circuit generates a positive or negative boosted output voltage by switching booster paths one by one.

一种电荷泵型升压电路，其通过依次转换升压路径，产生正的或负的升压输出电压。

This charge pump type booster circuit includes a plurality of booster paths, each of the plurality of booster paths including at least one booster capacitor, wherein a number of the booster capacitor at each of the plurality of booster paths is different between one booster path and the other booster path.

该电荷泵型升压电路包含多个升压路径，其中多个升压路径中的每个包含至少一个升压电容，其中，多个升压路径中每个路径的升压电容数目在一个升压路径和其它升压路径之间是不同的。

The charge pump can output a step-up and a step-down voltage simultaneously with a high driving capability.The multiple gain pair technique was introduced to enhance its efficiency.The proposed co-use technology for capacitors and switch arrays reduced its cost.

该电荷泵能同时提供具有驱动能力的升压和降压模式电压输出，且可实现可变增益组合，以便根据检测到的输入电压自动调整增益组合以提高工作效率。

The stability conditions are extracted by analyzing the open-loop transfer function of three-order charge PLL. It shows that the stability are mainly affected by the ratio of the two capacitors of the two-order loop filter, loop damping factor and loop zero. The ranges of these parameters are also calculated.

通过分析三阶电荷泵锁相环的开环传输函数来确定系统的稳定性条件，得出了系统的稳定性主要与二阶滤波器两电容的比值、系统的衰减因子以及系统的零点分布有关，并计算出在不产生过冲的情况下这些值的范围。

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如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。