电子管式调幅广播发射实验机的改装

Refitment of AM Broadcasting Valve Experimental Machine

介绍利用旧交流收音机改装成的调幅发射实验机电路原理和实验方法，可让学生随时进行实验与练习，有利于巩固理论知识。

This paper introduced the circuit principles and experimental methods for changing an old AC radio receiver into an AM broadcasting experimental machine. By doing this experiment and corresponding exercises, students can consolidate their theoretical knowledge,enlarge their scopes of knowledge, and imporve their abilities.