如何讀懂他激式電(dian)路(lu)?什么(me)樣(yang)的(de)(de)(de)文章(zhang)才(cai)會對公司(si)和(he)他人有用(yong)(yong)(yong)呢?基(ji)于(yu)這兩個(ge)問題點及公司(si)對他激式電(dian)路(lu)技術應(ying)(ying)用(yong)(yong)(yong)層(ceng)面的(de)(de)(de)局限,固(gu)(gu)特超聲針對如何理(li)(li)解他激式電(dian)路(lu)給(gei)大家做一些簡(jian)要的(de)(de)(de)原(yuan)理(li)(li)分析。(此文章(zhang)基(ji)于(yu)SG3525芯片進(jin)行解說)固(gu)(gu)特超聲波清洗機(ji)之【SG3525主體功(gong)能(neng)描術】一、SG3525控(kong)制(zhi)(zhi)功(gong)能(neng)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)1、 給(gei)逆變器(qi)(qi)的(de)(de)(de)電(dian)子開關(guan)提供(gong)控(kong)制(zhi)(zhi)信(xin)(xin)(xin)(xin)號(hao)2、 對電(dian)流反(fan)饋(kui)信(xin)(xin)(xin)(xin)號(hao)進(jin)行放(fang)大處理(li)(li),并根據反(fan)饋(kui),給(gei)定信(xin)(xin)(xin)(xin)號(hao)調(diao)節電(dian)子開關(guan)控(kong)制(zhi)(zhi)信(xin)(xin)(xin)(xin)號(hao)的(de)(de)(de)脈(mo)寬(kuan)(這個(ge)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)可應(ying)(ying)用(yong)(yong)(yong)功(gong)率(lv)恒定,功(gong)率(lv)調(diao)節)。3、 對保護(hu)信(xin)(xin)(xin)(xin)號(hao)作(zuo)(zuo)(zuo)出反(fan)應(ying)(ying),關(guan)閉(bi)控(kong)制(zhi)(zhi)信(xin)(xin)(xin)(xin)號(hao),(這就(jiu)是我們俗(su)稱的(de)(de)(de)過(guo)流保護(hu),過(guo)熱保護(hu)). 固(gu)(gu)特超聲波清洗機(ji)之【集(ji)成(cheng)脈(mo)寬(kuan)調(diao)制(zhi)(zhi)器(qi)(qi)】一、 脈(mo)寬(kuan)調(diao)節器(qi)(qi)的(de)(de)(de)的(de)(de)(de)基(ji)本工(gong)(gong)作(zuo)(zuo)(zuo)原(yuan)理(li)(li)脈(mo)寬(kuan)調(diao)節器(qi)(qi)的(de)(de)(de)基(ji)本工(gong)(gong)作(zuo)(zuo)(zuo)原(yuan)理(li)(li):用(yong)(yong)(yong)一個(ge)電(dian)壓比較器(qi)(qi),在正(zheng)(zheng)輸(shu)入(ru)端輸(shu)入(ru)一個(ge)三(san)角波,在負輸(shu)入(ru)端輸(shu)入(ru)一直(zhi)流電(dian)平,比較后輸(shu)出一路(lu)方波信(xin)(xin)(xin)(xin)號(hao),并且改變負輸(shu)入(ru)端直(zhi)流電(dian)平的(de)(de)(de)大小,即可改變方波信(xin)(xin)(xin)(xin)號(hao)的(de)(de)(de)脈(mo)寬(kuan)(如圖所示) 二、SG3525集(ji)成(cheng)脈(mo)寬(kuan)調(diao)制(zhi)(zhi)器(qi)(qi)的(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)原(yuan)理(li)(li) 1、CW3525集(ji)成(cheng)脈(mo)寬(kuan)調(diao)節器(qi)(qi)的(de)(de)(de)外部(bu)引腳(jiao)配置 2、CW3525集(ji)成(cheng)脈(mo)寬(kuan)調(diao)節器(qi)(qi)的(de)(de)(de)內部(bu)結構框圖: 3、各(ge)引腳(jiao)功(gong)能(neng):1、2腳(jiao):為誤差放(fang)大器(qi)(qi)正(zheng)(zheng)反(fan)向(xiang)輸(shu)入(ru)端,因為3525內部(bu)誤差放(fang)大器(qi)(qi)的(de)(de)(de)性...
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2017
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07
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21
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