提供了一种电荷泵电路及其方法。
提出了一种应用于频率综合器的全差分电荷泵电路。
A fully differential charge pump for a frequency synthesizer is proposed.
分析了电荷泵电路实现功率因数校正(PFC)的基本原理和条件;
The principle of charge pump for achieving power factor correction (PFC) and its unity power factor condition are analyzed.
其主体架构是由2倍的电荷泵电路与LDO线性降压稳压电路组成。
Its main body construction is composed of 2time of electric charge pump electric circuit and the LDO linear voltage dropping voltage-stabilizer circuit.
建立了电荷泵电路的效率与时钟控制信号的交叠量模型,提出了能获得最高效率的最优时钟控制策略。
The model between power efficiency and clock overlapping for charge pump elevator is established, and the optimized clock control strategy to achieve the highest power efficiency is proposed.
在传统的电荷泵电路中,输出电压受阈值电压限制,不得不用高阶电路来实现,致使电路效率低下、面积大。
In traditional charge pump circuits, the output voltage is limited with the threshold voltage, and has to use high stairs to realize. It leads to low power efficiency and large layout area.
高压产生系统主要采用电荷泵电路来产生高压,电压调节系统则主要采用低压差电压调节器来调节输出电压。
High voltage generate system mainly use charge pumps to generate high voltage. Voltage regulator system usually USES LDO to regulate output voltage.
在分析一般电荷泵电路的基础上,提出一种新的电荷泵结构,并对它的工作原理及有关性能进行了详细分析研究。
A charge pump circuit with a new structure is introduced in this paper. The performance of this pump circuit has been studied thoroughly.
随着电源电压的不断降低和芯片面积的不断减小,电荷泵的效率已成为MOS电荷泵电路设计过程中最为人们关心的问题之一。
The power efficiency of MOS charge pumping circuit is becoming one of the most important issues as the power supply decreasing continuously and the area of a chip.
在传统的CMOS电荷泵电路中,电荷泵输出的电压受MOS管的阈值电压限制,所以当要求电荷泵的输出电压较高时,则不得不连很多阶来达到要求。
In conventional CMOS charge pump circuits, the pumping high voltage is limited by MOS threshold voltage, so that it can not use less cascade stages to pull up a high voltage which we want to generate.
推导了电荷泵的损耗和效率模型,为电路设计中确定电荷泵开关管的尺寸奠定基础。
It is the basis of computing the size of switch transistors to derive the model of the power dissipation and efficiency of charge pump.
介绍了一种改进型的电荷平均电荷泵以及相应的电路实现。
An improved charge-averaging charge pump and the corresponding circuit implementation are presented.
详细分析了电荷泵的动态工作特性,给出了电荷泵电压上升时间及瞬态电流与电路的关系。
Charge Pump dynamic analysis is analyzed, where the relationship between the voltage rising time and transient current to circuit is given.
最后展望了电荷泵式PF C电路的应用前景。
Finally the prospect of the charge pump PFC circuit is looked forward.
本文研究了电荷泵锁相环电路的模型和电路设计。
This dissertation presents a study on modeling and circuit design of Charge Pump Phase-Locked Loops.
这解决了电荷泵在充电期间功耗过大的问题,使它们不仅能适用于有较强电源的电路,也可以在无源或低功耗的环境下工作。
These two charge pumps are suitable for circuits with large power supply, and they can also operate in passive and low power systems.
考虑到单线圈天线的性能降低,设计了一个新的具有高效率低启动电压的电荷泵整流电路。
Based on this exasperate antenna performance, a new rectifier with high power conversion efficiency and low turn-on voltage is presented.
针对TFT - LCD驱动芯片的电荷泵,设计了一个带密勒补偿和一条前馈通路的缓冲电路。
A buffer with Miller compensation and feed-forward path for charge pump of TFT-LCD driver IC was designed.
电路采用了预启动和衬底电位选择结构,并利用三相时钟信号方式控制电荷泵的工作状态。
The latest three-phase clock signal control method was used to control the working state of charge pump.
设计了用于电流输入连续型电荷泵功率因数校正电子镇流器的调频电路,以减小电路的峰值系数。
Have designed the frequency modulation circuit in the CIC-CPPFC electronic ballast circuit, which would decrease the crest factor of circuit.
其中着重研究了EEPROM的特色电路,包括电荷泵,高压转换电路,灵敏放大器及其它相关电路。
The study is focused on the EEPROM special periphery circuits, including the charge pump, high voltage switch, sense amplifier and other related circuits.
同时,掉电后的电荷泵升压电路反向截至能防止能量从存储电容泻放回到地。
Meanwhile, charge pump elevator in powered-off state is reversely cut off to prevent energy leakage to ground.
本文的目的是研究目前应用最广的电荷泵锁相环的噪声特性以寻找减小环路噪声的电路架构。
The objective of the thesis is to explore the noise sources in PLL and find the proper circuit structures to reduce the noise effects.
为了避免攻击者将安全电路拆卸掉,研究了低压、高效率、全集成电荷泵升压电路的关键技术。
To avoid attackers to dissemble the secure circuits, the design technologies of low-voltage high power efficiency fully integrated charge pump elevator are studied.
首先基于电荷泵原理提出了一种新的无源电子标签电源产生电路结构,并提出了结构简化的算法。
A new architecture of power generation circuit is proposed based on charge pump principle. Then an algorithm is designed to simplify the power generation circuit architecture.
利用电荷泵升压电路提高存储电容的电压,有效的增加了存储能量;
The system utilizes charge pump elevator to enhance the voltage of storage capacitor and effectively increase the reserved energy.
文章在深入分析电荷泵锁相环设计理论的基础上,根据DSP芯片对锁相环的具体应用要求,确定了锁相环的总体电路结构和各项性能参数。
Based on the analysis of the theory of CPPLL and application requirements in the DSP, the structure and the performance specifications of the PLL are defined, and then the subcircuits are designed.
文章在深入分析电荷泵锁相环设计理论的基础上,根据DSP芯片对锁相环的具体应用要求,确定了锁相环的总体电路结构和各项性能参数。
Based on the analysis of the theory of CPPLL and application requirements in the DSP, the structure and the performance specifications of the PLL are defined, and then the subcircuits are designed.
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