某型功率和频点可控的视频发射机的设计与实现  

Design and implementation of one type of power and frequency controlled video transmitter

作　　者：殷希梅[1] 程洪涛[2] 

机构地区：[1]解放军炮兵学院一系弹药工程教研室,安徽合肥230031 [2]解放军炮兵学院信息化弹药研究所,安徽合肥230031

出　　处：《电子设计工程》2011年第11期135-138,共4页Electronic Design Engineering

摘　　要：根据某型电视图像发射机检测仪的信号标定及日常维护调试需要,研发了一种以锁相环技术为核心,由单片机控制的低功耗、频点及功率可控的视频发射机(信标机)。给出了基于锁相环芯片ADF4360的信标机的设计方法及系统组成,阐述了系统的软硬件设计方案。测试结果表明,由该方法设计的信标机具有稳定、可靠的变频特性,且各项指标均达到了要求。在实际使用过程中,操作人员可以方便地设置所需的频点及功率点,人机界面友好,使得操作更为灵活方便,具有良好的性价比和市场前景。According to a certain type of signal transmitter detector television picture calibration and maintenance commissioning needs,this paper developed a offset-canceled phase locked loop technique as the core,by single-chip microcomputer control of the low power,frequency and power of controllable video transmitter（beacon machine）.Examples are given based on the ADF4360 PLL chip beacon machine design method and system composition,the system hardware and software design scheme was expounded.Test results show that the beacon machines designed by this method have stable and reliable frequency characteristics,and all indexes meet the requirements.In actual use process,the operator can conveniently set to the desired frequency and power points,friendly man-machine interface that allows operation more flexibility,a good price and the market prospect.

关 键 词：视频发射 信号标定 锁相环 ADF4360 

分 类 号：TN911.8[电子电信—通信与信息系统]