具有报警功能的LED调幅表

The LED AM Modulation Rate Instrument with Alarm Function

本文介绍了一种针对电台工作设计的LED调幅表。该表除用LED动态显示调幅度外，还能在发射机出现无线波、欠调幅故障时报警。

This article introduced a LED AM modulation rate instrument designed for radio station.And this instrument could alarm when no-carrier wave and low-modulation trouble occured