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锁相频率合成法调频技术不仅解决了普通调频器载频稳定度与调频性能之间的矛盾,而且具有许多独特的优点.本文分析了锁相频率合成式立体声调频器的工作原理,给出了环路参数及其部件的设计原则,并列出了一些主要测试结果.
Phase-locked frequency synthesis FM technology not only solve the conflict between carrier frequency stability and FM performance, but also has many unique advantages.This paper analyzes the working principle of phase-locked frequency synthesis stereo tuner, given Loop parameters and the design principles of their components, and lists some of the main test results.