浮动载波技术在数字调幅中波发射机上的应用

Application of Floating Carrier Technology in Digital AM Medium-wave Transmitters

浮动载波技术作为一项新的节能技术,已应用到数字调幅发射机上。它所具备的良好的节能效果、简单的电路结构、易于实现的方法都得到广大广播技术人员的认可。通过接触的几种发射机中实际应用的浮动载波控制电路,对浮动载波技术的原理和电路实现方法做出了分析研究,并结合实验数据加以论证。

The floating carrier technology as a new energy-saving technology is applied to the digital AM transmitter.It has been aproved by majority of broadcast technicians due to its good energy saving effect,simple circuit structure and easy implementation.The principle of the floating carrier technology and methods of circuit design are analyzed bythe aid of the floating carrier transmitter control circuits applied to several transmitters,which are known to the authors.It is demonstrated in combination with the experimental data.