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.
阐明了制动系统的制动原理，给出了泵升制动电路的模型。
The brake principle of the brake system is illustrated and the model of pump brake circuit is given.
通过对斩波器中缓冲电路工作过程的分析，提出了一般缓冲电路的模型。
The model for general snubber circuits is presented by means of analyzing the snubber circuit of a chopper.
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