HC-49US 直插2P 請(qǐng)點(diǎn)擊您需要的參數(shù)一起加到購(gòu)物車(chē),找不到您需要的請(qǐng)聯(lián)系客服 標(biāo)準(zhǔn)頻率 負(fù)載電容 頻率偏差 點(diǎn)擊購(gòu)買(mǎi) 3.6864MHZ 20PF 20PPM rel="nofollow" Buy 3.579545MHZ 20PF 20PPM rel="nofollow" Buy 4MHZ 20PF 20PPM rel="nofollow" Buy 5.5296MHZ 20PF 20PPM rel="nofollow" Buy 8MHZ 20PF 20PPM rel="nofollow" Buy 10MHZ 20PF 20PPM rel="nofollow" Buy 11.0592MHZ 20PF 20PPM rel="nofollow" Buy 12MHZ 20PF 20PPM rel="nofollow" Buy 13.560MHZ 20PF 20PPM rel="nofollow" Buy 16.384MHZ 20PF 20PPM rel="nofollow" Buy 20MHZ 20PF 20PPM rel="nofollow" Buy 24MHZ 20PF 20PPM rel="nofollow" Buy 24.576MHZ 20PF 20PPM rel="nofollow" Buy 25MHZ 20PF 20PPM rel="nofollow" Buy 26MHZ 20PF 20PPM rel="nofollow" Buy 27.120MHZ 20PF 20PPM rel="nofollow" Buy 27MHZ 20PF 20PPM rel="nofollow" Buy 28.6363MHZ 20PF 20PPM rel="nofollow" Buy 30MHZ 20PF 20PPM rel="nofollow" Buy 36MHZ 20PF 20PPM rel="nofollow" Buy 如您需要購(gòu)買(mǎi)同類(lèi)別的其他系列產(chǎn)品，請(qǐng)點(diǎn)擊以下鏈接 產(chǎn)品型號(hào) 產(chǎn)品規(guī)格 點(diǎn)擊購(gòu)買(mǎi) HC-49US 11.5x4.5x3.68mm rel="nofollow" Buy HC-49SMD 11.4x4.8x3.8mm rel="nofollow" Buy HC-49UM 11.05x4.65x13.46mm rel="nofollow" Buy YSX321SL 3225 4P rel="nofollow" Buy YSX530GA 5032 2P rel="nofollow" Buy YSX531SL 5032 4P rel="nofollow" Buy YT-26 2060 2P rel="nofollow" Buy YT-38 3080 2P rel="nofollow" Buy R315 D11,F11,TO39 rel="nofollow" Buy R433 D11,F11,TO39 rel="nofollow" Buy 快速識(shí)別晶振好壞 石英晶振是一種常用電子器件，因此判斷晶振好壞至關(guān)重要。一般常見(jiàn)測(cè)試石英晶振的方法無(wú)非是示波器和上板測(cè)試,上板測(cè)試的準(zhǔn)確率是的,但是也很費(fèi)時(shí),示波器的對(duì)于石英晶振的度不夠,如何能短時(shí)間的測(cè)試晶振好壞？ 測(cè)量是比較的,晶振的個(gè)頭比較小,但是在主板上起的作用不小，因此晶振的檢測(cè)是主板維修非常重要的環(huán)節(jié)。如何判斷檢測(cè)石英晶振的好壞呢？將簡(jiǎn)單的介紹下檢測(cè)晶振好壞的方法與技巧： 1、用萬(wàn)用表(R×10k擋)測(cè)晶振兩端的電阻值,若為無(wú)窮大,說(shuō)明晶振無(wú)短路或漏電。再將試電筆插入試電插孔內(nèi),用手指捏住晶振的任一引腳,將另一引腳碰觸試電筆頂端的金屬部分,若試電筆氖泡發(fā)紅,說(shuō)明晶振是好的,若氖泡不亮,則說(shuō)明晶振損壞。 2、用數(shù)字電容表（或數(shù)字萬(wàn)用表的電容檔）測(cè)量其電容,一般損壞的晶振容量明顯減小（不同的晶振其正常容量具有一定的范圍,可測(cè)量好的得到,一般在幾十到幾百PF值）。 3、貼近耳朵輕搖,有聲音就一定是壞的（內(nèi)部的晶體已經(jīng)碎,還能用的話(huà)頻率也變了）。 4、測(cè)試輸出腳電壓。一般正常情況下,大約是電源電壓的一半。因?yàn)檩敵龅氖钦也ǎǚ逯到咏措妷海?用萬(wàn)用表測(cè)試時(shí),就差不多是一半。