文件名称:PT2262PT2272无线数据收发模块应用的改进方法
文件大小:380KB
文件格式:PDF
更新时间:2013-09-25 16:29:41
PT2262PT2272
Abstract: Ithasanalyzed theprincipleofwirelessdata receivinganddispatchingmodule,thefunc2 tionofdigitalcodinganddecodingchipofPT2262andPT2272. Itintroducesthreeexamplesofap2 plication: (1) infrared ray control system; (2)multi2path alarm circuits; (3) intelligence body consti2 tutiontestinginstrument. Ithasanalysedthemoduledefectastheexampleofthestateofbeingoutof controlofthealarmcircuits. Ithasbroughtforwardthe threekindimprovementmethods:theone is multifrequency sending and receiving, another is the giving an alarm with regard to disturbed signal, the other is changing the modulation way of digital coding. Key words:Wireless data transmit2receiving,Applied circuit,Analysisofdefect, Improvedmethods