浅谈F1B1kW全固态调频广播发射机

The Talking on F1B1kW Solid State FM Broadcast Transmitter

调频发射机是个首先将音频信号和高频载波调制为调频波,使高频载波的频率随音频信号发生变化,再对所产生的高频信号进行放大、激励、功放和一系列的阻抗匹配,使信号输出到天线,发送出去的装置。本文介绍了F1B1kW调频发射机的组成特点,分析了该发射机供电电路的优缺点,设计出一个较完整的外电抑制电路。

FM transmitter will firstly modulates the audio signal and high frequency carrier to the frequency modulation wave, so that the high frequency carrier frequency will be changed with the audio signal, then the high frequency signal generated by amplifying, incentive, power amplifying and a series of impedance matching outputs the signal to the device sent by antenna,. This paper introduces the characteristics of F1 B1 kW FM transmitter, analyzes the advantages and disadvantages of the transmitter power supply circuit and designs a more complete external electric control circuit