摘要
介绍了典型调频发射机的基本工作过程及存在的不足,对其频点单一、功率固定、调试困难等缺陷加以说明,给出了采用捷便频调频发射机的解决方案,就其系统组成,重点对载波信号发生器、功率放大器、天线及主控电路进行了阐述.
In this article the typical FM transmitter and its defects were elaborated. Concerning the monadical frequency point, constant power delivery and difficulty in debug, the writer gives illustration followed by advice to use convenient FM transmitter, then an illustration on its system composition, emphasizing on carrier signal generator, power amplifier, antenna and master control circuit.
出处
《江苏教育学院学报(自然科学版)》
2008年第3期51-53,共3页
Journal of Jiangsu Institute of Education(Social Science)
关键词
捷便频
锁相
功率放大器
frequency agile, phase locked, power amplifier