我(wo)們在選擇和購買有(you)源晶(jing)振(zhen)時(shi)(shi)(shi)，或(huo)(huo)者在看(kan)廠(chang)商所提供的(de)晶(jing)振(zhen)規格書時(shi)(shi)(shi)，都會有(you)輸(shu)出模(mo)式(shi)或(huo)(huo)輸(shu)出波(bo)形這個指(zhi)標(biao)。經常(chang)看(kan)到的(de)輸(shu)出模(mo)式(shi)有(you)CMOS、TTL、Sine Wave等等。這幾種波(bo)形都是目前行業(ye)常(chang)用的(de)波(bo)形。其中TTL、CMOS、ECL、PECL、LVDS均屬(shu)(shu)于(yu)(yu)方波(bo)，Sine Wave屬(shu)(shu)于(yu)(yu)正弦波(bo)。通常(chang)，方波(bo)輸(shu)出功(gong)率大(da)，驅動能(neng)力強，但(dan)諧波(bo)分(fen)量(liang)豐富;正弦波(bo)輸(shu)出功(gong)率不如(ru)方波(bo)，但(dan)其諧波(bo)分(fen)量(liang)小很多(duo)。先淺(qian)聊一下TTL、CMOS輸(shu)出。TTL傳(chuan)輸(shu)延遲(chi)時(shi)(shi)(shi)間(jian)快、功(gong)耗高， 屬(shu)(shu)于(yu)(yu)電流控制器件(jian);CMOS邏輯電路，傳(chuan)輸(shu)延遲(chi)時(shi)(shi)(shi)間(jian)慢(man)、功(gong)耗低，屬(shu)(shu)于(yu)(yu)電壓控制器件(jian)。CMOS相對(dui)TTL有(you)了更大(da)的(de)噪(zao)聲容(rong)限，輸(shu)入(ru)阻抗(kang)遠大(da)于(yu)(yu)TTL輸(shu)入(ru)阻抗(kang)；晶(jing)遠興(xing)電子教你如(ru)何分(fen)辨無源晶(jing)振(zhen)和有(you)源晶(jing)振(zhen)。陶瓷有(you)源晶(jing)振(zhen)工(gong)廠(chang)直銷(xiao)

有(you)(you)(you)源(yuan)晶(jing)(jing)振(zhen)(zhen)的(de)(de)(de)(de)(de)主(zhu)要(yao)參數：1.輸(shu)出頻率(lv)(lv)(lv)：振(zhen)(zhen)蕩(dang)器(qi)電(dian)(dian)(dian)(dian)路(lu)或(huo)石英晶(jing)(jing)體(ti)振(zhen)(zhen)蕩(dang)器(qi)系統的(de)(de)(de)(de)(de)輸(shu)出頻率(lv)(lv)(lv)。2.頻率(lv)(lv)(lv)穩定(ding)性(xing)：在(zai)標準溫(wen)(wen)度(du)和工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)范圍內，輸(shu)出頻率(lv)(lv)(lv)漂移(yi)3.基(ji)本頻偏：是指晶(jing)(jing)振(zhen)(zhen)本身的(de)(de)(de)(de)(de)頻率(lv)(lv)(lv)誤差(cha)，如±30ppm、±60ppm等。4.頻率(lv)(lv)(lv)容差(cha)精度(du)：在(zai)環境溫(wen)(wen)度(du)為25°C的(de)(de)(de)(de)(de)特(te)(te)定(ding)條(tiao)件下(xia)，實(shi)際（測量(liang)）頻率(lv)(lv)(lv)與標稱頻率(lv)(lv)(lv)的(de)(de)(de)(de)(de)差(cha)值。5.溫(wen)(wen)度(du)頻偏：在(zai)標稱電(dian)(dian)(dian)(dian)源(yuan)和負(fu)載下(xia)，一般基(ji)本頻偏是指在(zai)室溫(wen)(wen)25℃的(de)(de)(de)(de)(de)情況下(xia)比(bi)較大(da)(da)允(yun)許(xu)頻偏。6.比(bi)較大(da)(da)電(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)壓(ya)：輸(shu)入(ru)電(dian)(dian)(dian)(dian)源(yuan)引腳的(de)(de)(de)(de)(de)比(bi)較大(da)(da)額定(ding)值。輸(shu)入(ru)超(chao)過此值可能導(dao)致特(te)(te)性(xing)退化(hua)(hua)(hua)或(huo)破(po)壞(huai)。7.工(gong)作(zuo)(zuo)溫(wen)(wen)度(du)：滿足規格特(te)(te)性(xing)的(de)(de)(de)(de)(de)溫(wen)(wen)度(du)范圍。8.電(dian)(dian)(dian)(dian)壓(ya)頻偏：晶(jing)(jing)振(zhen)(zhen)在(zai)工(gong)作(zuo)(zuo)時(shi)的(de)(de)(de)(de)(de)頻率(lv)(lv)(lv)穩定(ding)性(xing)會受(shou)到工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)的(de)(de)(de)(de)(de)影響，一般在(zai)±1PPM。9.工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)：一般有(you)(you)(you)源(yuan)晶(jing)(jing)振(zhen)(zhen)支持的(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)比(bi)較大(da)(da)可在(zai)其標稱的(de)(de)(de)(de)(de)±10%波動(dong)。10.老化(hua)(hua)(hua)率(lv)(lv)(lv)：有(you)(you)(you)源(yuan)晶(jing)(jing)振(zhen)(zhen)老化(hua)(hua)(hua)適用于頻率(lv)(lv)(lv)隨時(shi)間的(de)(de)(de)(de)(de)累積變(bian)化(hua)(hua)(hua)，這導(dao)致晶(jing)(jing)體(ti)單(dan)元(yuan)的(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)頻率(lv)(lv)(lv)的(de)(de)(de)(de)(de)長(chang)久(jiu)變(bian)化(hua)(hua)(hua)，規定(ding)時(shi)限后的(de)(de)(de)(de)(de)比(bi)較大(da)(da)變(bian)化(hua)(hua)(hua)率(lv)(lv)(lv)如±10ppb/天，加電(dian)(dian)(dian)(dian)72小時(shi)后，或(huo)規定(ding)的(de)(de)(de)(de)(de)時(shi)限內比(bi)較大(da)(da)的(de)(de)(de)(de)(de)總頻率(lv)(lv)(lv)變(bian)化(hua)(hua)(hua)如：±1ppm/和±5ppm/（十年）來表示(shi)。南(nan)京振(zhen)(zhen)蕩(dang)器(qi)有(you)(you)(you)源(yuan)晶(jing)(jing)振(zhen)(zhen)行業標準晶(jing)(jing)振(zhen)(zhen)從材(cai)質分(fen)為石英晶(jing)(jing)振(zhen)(zhen)和陶瓷(ci)晶(jing)(jing)振(zhen)(zhen)，從屬(shu)性(xing)晶(jing)(jing)振(zhen)(zhen)分(fen)為無源(yuan)晶(jing)(jing)振(zhen)(zhen)晶(jing)(jing)體(ti)和有(you)(you)(you)源(yuan)晶(jing)(jing)振(zhen)(zhen)振(zhen)(zhen)蕩(dang)器(qi)。

比起(qi)普(pu)通的(de)(de)晶體(ti)諧(xie)振(zhen)(zhen)(zhen)(zhen)器(qi),有(you)源晶振(zhen)(zhen)(zhen)(zhen)技術要(yao)求(qiu)更(geng)高,起(qi)振(zhen)(zhen)(zhen)(zhen)性能更(geng)穩(wen)定,一般都(dou)是(shi)(shi)用(yong)在(zai)高級的(de)(de)產品身上,大致分為普(pu)通振(zhen)(zhen)(zhen)(zhen)蕩器(qi)SPXO，TCXO溫(wen)(wen)補晶振(zhen)(zhen)(zhen)(zhen)TCXO，VCXO壓(ya)(ya)控(kong)晶振(zhen)(zhen)(zhen)(zhen)，VC-TCXO壓(ya)(ya)控(kong)溫(wen)(wen)補晶振(zhen)(zhen)(zhen)(zhen)，OCXO恒溫(wen)(wen)晶振(zhen)(zhen)(zhen)(zhen)，差分晶振(zhen)(zhen)(zhen)(zhen)等。每種(zhong)石英晶體(ti)振(zhen)(zhen)(zhen)(zhen)蕩器(qi)都(dou)具備(bei)不一樣的(de)(de)功能,但(dan)同樣擁有(you)低功耗，低電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)流(liu)，低相(xiang)(xiang)(xiang)位抖動，低相(xiang)(xiang)(xiang)噪等優(you)異特性。隨(sui)著電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)技術的(de)(de)迅速發展,振(zhen)(zhen)(zhen)(zhen)蕩器(qi)的(de)(de)用(yong)途也越來越普(pu)遍,但(dan)是(shi)(shi)與普(pu)通晶振(zhen)(zhen)(zhen)(zhen)價格(ge)相(xiang)(xiang)(xiang)比,價格(ge)往往高于普(pu)通晶振(zhen)(zhen)(zhen)(zhen)幾倍。例如在(zai)無線(xian)電(dian)(dian)(dian)(dian)(dian)測量儀(yi)器(qi)中(zhong),它(ta)產生各種(zhong)頻(pin)(pin)段的(de)(de)正弦信號電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)：在(zai)熱(re)(re)(re)加(jia)工、熱(re)(re)(re)處(chu)理、超聲波加(jia)工和(he)(he)(he)某些醫療設備(bei)中(zhong),它(ta)產生大功率(lv)的(de)(de)高頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)能對負載加(jia)熱(re)(re)(re)；某些電(dian)(dian)(dian)(dian)(dian)氣(qi)設備(bei)用(yong)振(zhen)(zhen)(zhen)(zhen)蕩器(qi)做成的(de)(de)無觸點開關進行控(kong)制(zhi)；電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)鐘和(he)(he)(he)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)手表中(zhong)采用(yong)頻(pin)(pin)率(lv)穩(wen)定度(du)很高的(de)(de)振(zhen)(zhen)(zhen)(zhen)蕩電(dian)(dian)(dian)(dian)(dian)路作(zuo)為定時部件等。尤其在(zai)通信系統電(dian)(dian)(dian)(dian)(dian)路中(zhong),壓(ya)(ya)控(kong)晶振(zhen)(zhen)(zhen)(zhen)(VCXO)是(shi)(shi)其關鍵部件,特別是(shi)(shi)在(zai)鎖(suo)相(xiang)(xiang)(xiang)環電(dian)(dian)(dian)(dian)(dian)路、時鐘恢(hui)復電(dian)(dian)(dian)(dian)(dian)路和(he)(he)(he)頻(pin)(pin)率(lv)綜合(he)器(qi)電(dian)(dian)(dian)(dian)(dian)路等更(geng)是(shi)(shi)重中(zhong)之(zhi)重,可以毫不夸張(zhang)地說在(zai)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)通信技術領域(yu)。

關(guan)于有源(yuan)晶(jing)振(zhen)的(de)(de)(de)(de)輸(shu)出模式(shi)或輸(shu)出波形(xing)，現在(zai)聊聊下(xia)面(mian)幾(ji)(ji)個方(fang)面(mian)：ECL該(gai)電(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)(de)特點是基本門電(dian)(dian)(dian)路(lu)(lu)工作在(zai)非飽和(he)狀(zhuang)態。ECL電(dian)(dian)(dian)路(lu)(lu)具有相當高(gao)的(de)(de)(de)(de)速(su)度(du)(du)，平均延遲時間可達(da)(da)幾(ji)(ji)個毫微(wei)秒甚(shen)至(zhi)亞毫微(wei)秒數(shu)量(liang)級；PECLECL電(dian)(dian)(dian)路(lu)(lu)速(su)度(du)(du)快，驅動能力強，噪聲小(xiao)，很容易達(da)(da)到(dao)幾(ji)(ji)百MHz的(de)(de)(de)(de)應(ying)用(yong)，但是功耗大(da)，需要(yao)負電(dian)(dian)(dian)源(yuan)。為(wei)簡化電(dian)(dian)(dian)源(yuan)，出現了PECL(ECL結構，改用(yong)正電(dian)(dian)(dian)壓供電(dian)(dian)(dian))和(he)LVPECL的(de)(de)(de)(de)輸(shu)出模式(shi)；LVDS為(wei)差(cha)(cha)分(fen)(fen)對輸(shu)入輸(shu)出使用(yong)注意(yi)：可以(yi)達(da)(da)到(dao)600MHz以(yi)上，PCB要(yao)求較(jiao)高(gao)，差(cha)(cha)分(fen)(fen)線(xian)要(yao)求嚴格等(deng)長(chang)，差(cha)(cha)比較(jiao)好(hao)不超(chao)(chao)過10mil(0.25mm);100歐電(dian)(dian)(dian)阻離(li)接收端距離(li)不能超(chao)(chao)過500mil，比較(jiao)好(hao)控制在(zai)300mil以(yi)內；SineWave通常(chang)晶(jing)振(zhen)正弦波輸(shu)出的(de)(de)(de)(de)負載阻抗為(wei)50歐姆。波形(xing)的(de)(de)(de)(de)諧波分(fen)(fen)量(liang)很小(xiao)，一般諧波抑(yi)制都優于-30dBc。正弦波輸(shu)出晶(jing)振(zhen)通常(chang)用(yong)于射頻信(xin)號處理(li)、頻率(lv)源(yuan)等(deng)應(ying)用(yong)場合。有源(yuan)晶(jing)振(zhen)不需要(yao)CPU的(de)(de)(de)(de)內部振(zhen)蕩(dang)器，信(xin)號穩定，質量(liang)較(jiao)好(hao)，而且連接方(fang)式(shi)比較(jiao)簡單不需要(yao)復雜的(de)(de)(de)(de)配(pei)置電(dian)(dian)(dian)路(lu)(lu)。

石(shi)(shi)英(ying)(ying)(ying)晶體(ti)(ti)振(zhen)(zhen)(zhen)蕩(dang)器(qi)(有源(yuan)晶振(zhen)(zhen)(zhen))是(shi)(shi)一個(ge)(ge)(ge)完整(zheng)的振(zhen)(zhen)(zhen)蕩(dang)器(qi)，里(li)面除了(le)石(shi)(shi)英(ying)(ying)(ying)晶體(ti)(ti)外，還有晶體(ti)(ti)管(guan)和阻容元件(jian)。有源(yuan)晶振(zhen)(zhen)(zhen)不需要DSP的內部(bu)振(zhen)(zhen)(zhen)蕩(dang)器(qi)，信(xin)號質(zhi)量(liang)好(hao)，比較穩定，而且連(lian)接方(fang)式相對(dui)簡單（主要是(shi)(shi)做好(hao)電(dian)源(yuan)濾波，通常(chang)使用(yong)一個(ge)(ge)(ge)電(dian)容和電(dian)感(gan)構(gou)成(cheng)的PI型濾波網絡，輸(shu)出端(duan)用(yong)一個(ge)(ge)(ge)小阻值的電(dian)阻過(guo)(guo)濾信(xin)號即可），不需要復(fu)雜的配置電(dian)路。我(wo)(wo)們(men)在采購石(shi)(shi)英(ying)(ying)(ying)晶體(ti)(ti)振(zhen)(zhen)(zhen)蕩(dang)器(qi)（有源(yuan)晶振(zhen)(zhen)(zhen)）直插(cha)封(feng)(feng)裝時(shi)會遇(yu)到這(zhe)樣兩(liang)種(zhong)封(feng)(feng)裝，DIP14和DIP08.DIP14：我(wo)(wo)們(men)平時(shi)對(dui)它的描(miao)述是(shi)(shi)全尺(chi)(chi)寸封(feng)(feng)裝又稱長方(fang)形(xing)。DIP08：我(wo)(wo)們(men)平時(shi)對(dui)它的描(miao)述是(shi)(shi)半尺(chi)(chi)寸封(feng)(feng)裝又稱正方(fang)形(xing)。不過(guo)(guo)我(wo)(wo)們(men)要注(zhu)意的是(shi)(shi)這(zhe)里(li)的14和8都(dou)(dou)是(shi)(shi)指振(zhen)(zhen)(zhen)蕩(dang)器(qi)內部(bu)關鍵IC的腳(jiao)位數，晶振(zhen)(zhen)(zhen)本身是(shi)(shi)4個(ge)(ge)(ge)引腳(jiao)。所以我(wo)(wo)們(men)有源(yuan)晶振(zhen)(zhen)(zhen)DIP14和DIP08都(dou)(dou)是(shi)(shi)4腳(jiao)直插(cha)晶振(zhen)(zhen)(zhen)。有源(yuan)晶振(zhen)(zhen)(zhen)參考電(dian)路有源(yuan)晶振(zhen)(zhen)(zhen)不需要CPU的內部(bu)振(zhen)(zhen)(zhen)蕩(dang)器(qi)，信(xin)號穩定，質(zhi)量(liang)較好(hao)，而且連(lian)接方(fang)式比較簡單。福建國產有源(yuan)晶振(zhen)(zhen)(zhen)工廠直銷(xiao)

有源晶振(zhen)(zhen)-工(gong)業級(ji)晶振(zhen)(zhen)-高穩定性-晶遠興電子(zi)。陶瓷(ci)有源晶振(zhen)(zhen)工(gong)廠直銷

有(you)(you)源(yuan)(yuan)晶(jing)(jing)體振(zhen)蕩器(qi)是一種(zhong)完整(zheng)的(de)諧振(zhen)振(zhen)蕩器(qi)，利用石英晶(jing)(jing)體的(de)壓電(dian)效應，因此有(you)(you)源(yuan)(yuan)晶(jing)(jing)體振(zhen)蕩器(qi)需要電(dian)源(yuan)(yuan)。當我們完成有(you)(you)源(yuan)(yuan)晶(jing)(jing)體振(zhen)蕩器(qi)電(dian)路時(shi)，它(ta)可(ke)(ke)以主(zhu)動產生振(zhen)蕩頻率，并提(ti)供(gong)高精度的(de)頻率基準。信(xin)號(hao)質量優于無(wu)源(yuan)(yuan)信(xin)號(hao)。那么在(zai)(zai)焊(han)接電(dian)路中的(de)連發有(you)(you)什么不同(tong)之(zhi)處嗎？當然(ran)是有(you)(you)的(de)，無(wu)源(yuan)(yuan)晶(jing)(jing)振(zhen)電(dian)路旁都會存在(zai)(zai)其它(ta)的(de)電(dian)容電(dian)阻，幫助(zhu)晶(jing)(jing)振(zhen)起(qi)振(zhen)，而有(you)(you)源(yuan)(yuan)晶(jing)(jing)振(zhen)在(zai)(zai)技(ji)術上(shang)內置(zhi)起(qi)振(zhen)芯片，也就是說無(wu)需借助(zhu)外部的(de)電(dian)路，自身就可(ke)(ke)以起(qi)振(zhen)。關于有(you)(you)源(yuan)(yuan)晶(jing)(jing)振(zhen)的(de)具體問題，可(ke)(ke)咨(zi)詢晶(jing)(jing)遠興電(dian)子(zi)的(de)客服，將為您做詳細解答。陶瓷有(you)(you)源(yuan)(yuan)晶(jing)(jing)振(zhen)工廠直銷(xiao)

深(shen)(shen)圳市(shi)晶(jing)(jing)(jing)(jing)(jing)遠興電子(zi)科技(ji)有限公(gong)司(si)(si)(si)(si)成立于(yu)2013-05-28，是一家專注于(yu)石(shi)(shi)英(ying)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)，時鐘(zhong)晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)，有源(yuan)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)振(zhen)(zhen)蕩器，可(ke)(ke)編(bian)程晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)的(de)(de)(de)高新技(ji)術企業(ye)(ye)，公(gong)司(si)(si)(si)(si)位(wei)于(yu)深(shen)(shen)圳市(shi)福田(tian)區沙(sha)頭街道天(tian)安社區泰然五(wu)路12號(hao)天(tian)安數碼城(cheng)天(tian)祥(xiang)大(da)廈(sha)二層2A10。公(gong)司(si)(si)(si)(si)經(jing)(jing)常與行業(ye)(ye)內技(ji)術專家交流學習(xi)，研發(fa)出更好的(de)(de)(de)產(chan)(chan)(chan)品(pin)給用(yong)戶使用(yong)。公(gong)司(si)(si)(si)(si)業(ye)(ye)務不(bu)斷豐富(fu)，主要經(jing)(jing)營的(de)(de)(de)業(ye)(ye)務包(bao)括：石(shi)(shi)英(ying)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)，時鐘(zhong)晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)，有源(yuan)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)振(zhen)(zhen)蕩器，可(ke)(ke)編(bian)程晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)等(deng)多(duo)系列產(chan)(chan)(chan)品(pin)和(he)服務。可(ke)(ke)以根(gen)據客(ke)戶需求(qiu)(qiu)(qiu)開(kai)發(fa)出多(duo)種不(bu)同功能的(de)(de)(de)產(chan)(chan)(chan)品(pin)，深(shen)(shen)受客(ke)戶的(de)(de)(de)好評。公(gong)司(si)(si)(si)(si)會針(zhen)對不(bu)同客(ke)戶的(de)(de)(de)要求(qiu)(qiu)(qiu)，不(bu)斷研發(fa)和(he)開(kai)發(fa)適(shi)合(he)市(shi)場需求(qiu)(qiu)(qiu)、客(ke)戶需求(qiu)(qiu)(qiu)的(de)(de)(de)產(chan)(chan)(chan)品(pin)。公(gong)司(si)(si)(si)(si)產(chan)(chan)(chan)品(pin)應用(yong)領(ling)域廣，實用(yong)性強，得(de)到石(shi)(shi)英(ying)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)，時鐘(zhong)晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)，有源(yuan)晶(jing)(jing)(jing)(jing)(jing)體(ti)(ti)振(zhen)(zhen)蕩器，可(ke)(ke)編(bian)程晶(jing)(jing)(jing)(jing)(jing)振(zhen)(zhen)客(ke)戶支持和(he)信(xin)賴(lai)。深(shen)(shen)圳市(shi)晶(jing)(jing)(jing)(jing)(jing)遠興電子(zi)科技(ji)有限公(gong)司(si)(si)(si)(si)依托多(duo)年來完善的(de)(de)(de)服務經(jing)(jing)驗、良好的(de)(de)(de)服務隊伍、完善的(de)(de)(de)服務網絡(luo)和(he)強大(da)的(de)(de)(de)合(he)作伙(huo)伴，目前已經(jing)(jing)得(de)到電子(zi)元器件行業(ye)(ye)內客(ke)戶認可(ke)(ke)和(he)支持，并(bing)贏(ying)得(de)長期合(he)作伙(huo)伴的(de)(de)(de)信(xin)賴(lai)。

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