微型机与应用
微型機與應用
미형궤여응용
MICROCOMPUTER & ITS APPLICATIONS
2014年
23期
92-95
,共4页
正弦信号%高稳定度%PLL%MSP430
正絃信號%高穩定度%PLL%MSP430
정현신호%고은정도%PLL%MSP430
sinusoidal signal%high stability%PLL%MSP430
在现代无线通信技术中,高频率正弦信号起着十分重要的作用,因而高质量的正弦信号的需求也日益变高。为了满足需求,制作出能产生高稳定度和高准确度的正弦信号发生器也越发迫切。在总结经验的基础上,设计出一种新型正弦信号发生器。该信号发生器以 PLL技术为基础,产生稳定的高频正弦信号,以 MSP430F149单片机作为控制中心,应用按键和显示电路,实现输出频率的递进与显示。经过测试,系统方便实用,能输出频率为20 MHz~100 MHz的正弦信号,同时输出误差控制在允许范围内,能满足实际需求,并能投入到实际生产应用中去。
在現代無線通信技術中,高頻率正絃信號起著十分重要的作用,因而高質量的正絃信號的需求也日益變高。為瞭滿足需求,製作齣能產生高穩定度和高準確度的正絃信號髮生器也越髮迫切。在總結經驗的基礎上,設計齣一種新型正絃信號髮生器。該信號髮生器以 PLL技術為基礎,產生穩定的高頻正絃信號,以 MSP430F149單片機作為控製中心,應用按鍵和顯示電路,實現輸齣頻率的遞進與顯示。經過測試,繫統方便實用,能輸齣頻率為20 MHz~100 MHz的正絃信號,同時輸齣誤差控製在允許範圍內,能滿足實際需求,併能投入到實際生產應用中去。
재현대무선통신기술중,고빈솔정현신호기착십분중요적작용,인이고질량적정현신호적수구야일익변고。위료만족수구,제작출능산생고은정도화고준학도적정현신호발생기야월발박절。재총결경험적기출상,설계출일충신형정현신호발생기。해신호발생기이 PLL기술위기출,산생은정적고빈정현신호,이 MSP430F149단편궤작위공제중심,응용안건화현시전로,실현수출빈솔적체진여현시。경과측시,계통방편실용,능수출빈솔위20 MHz~100 MHz적정현신호,동시수출오차공제재윤허범위내,능만족실제수구,병능투입도실제생산응용중거。
In modern wireless communication technology, high frequency sinusoidal signal is very important as the request of sinusoidal signal which has high quality is high. To satisfy the request, it is necessary to make out sinusoidal signal generator with high stability and accuracy. A new sinusoidal signal generator based on experience is designed, which uses PLL technology to produce stable high frequency sinusoidal signal, uses MSP430F149 as the controller, key and display circuit is used to realize the increase and display of output signal. After test, the system is convenient and useful. It can export signal ranging from 20 MHz to 100 MHz and its error is in the permitted range. It can meet the actual requirements and can be used in the actual application.