檢視本机振荡器的原始碼

[[File:本机振荡器.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%9C%AC%E6%9C%BA%E6%8C%AF%E8%8D%A1%E5%99%A8%20%20%20%E6%90%9C%E7%8B%90&step_word=&hs=0&pn=9&spn=0&di=880&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=3752923417%2C693706320&os=137968030%2C314665455&simid=0%2C0&adpicid=0&lpn=0&ln=339&fr=&fmq=1632522249619_R&fm=result&ic=&s=undefined&hd=&latest=&copyright=&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fadmin22.51dzw.com%2FUploadFiles%2F201307%2F20130731203636453.jpg%26refer%3Dhttp%3A%2F%2Fadmin22.51dzw.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1635114509%26t%3Db10a0a4bf7d350f701f58cf971939b8b&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bc81zo_z%26e3Bv54AzdH3Fj4kj1AzdH3Fj4kj1_bbn0a_z%26e3Bip4s&gsm=a&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://www.51dzw.com/embed/embed_88370.html 来自51电子网]]]
'''本机振荡器'''又叫本地振荡器(LOCAL OSCILLATOR)，它实际是一个[[自激正弦波振荡器]]。它的作用是产生一个比接收信号高一个中频率(我国规定为37MHz)的高频等幅正弦波信号，并把这个振荡信号注入混频器，与高频电视信号混频后获得[[中频电视信号]]。
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