对环路滤波器调制实现锁相环音频调频的技术

Audio frequency modulation technique of PLL based on loop filter

介绍了对环路滤波器调制的一点注入式调频的实现原理、设计要点、工程设计实例及测试结果。实测表明通过对环路滤波器的一点注入式调频,是一种切实可行的性价较高的音频调频方式。

The principle, design essential points, example and test result of the audio frequency modulation based on the loop filter of the PLL is introduced. The result shows that the project has a high performance with low cost by using the audio frequency modulation technique of the PLL based on the loop filter.