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介绍了锁相环的原理以及Freescale公司的锁相环频率合成器件MC145151-2的主要特点,给出了MC145151-2和ICL8038低频锁相环函数发生器的工作原理、设计思想、电路结构、模块设计方法及其电路原理图。
The principle of the PLL and the main features of Freescale PLL frequency synthesizer MC145151-2 are introduced. The working principle, design principle, circuit structure, Design method and its circuit diagram.