摘要
介绍一种实用的使用锁相倍频器的数字式音频相位计,详述了工作原理,给出了电路原理图。
In this paper, the practical digital audio frequency phase difference meter with phase-locked frequency is introduced. The basic circuit diagram and principles are displayed.
出处
《仪表技术》
2010年第8期66-69,共4页
Instrumentation Technology
关键词
相位差
相位差计
锁相环
倍频器
phase difference
phase difference meter
phase locked loop
frequency multiplier
