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      鐘振OSC,壓控晶振VCXO,溫補晶振TCXO,恒溫OC


      www.elainecharton.com 2008年4月26日

              華晶達電子公司重點開發生產中高精密的晶體諧振器(Crystal),晶體振蕩器(SPXO),壓控晶體振蕩器(VCXO),溫補晶體振蕩器(TCXO),數字溫度補償晶體振蕩器(DCXO),恒溫晶體振蕩器(OCXO),晶體濾波器(Crystal Filter).晶體諧振器主要生產頻率范圍:1.8432MHZ→48.0000MHZ;晶體振蕩器主要生產頻率范圍:1.000MHZ→1000MHZ.其中OCXO恒溫晶振溫度穩定度可達到±0.01PPM,TCXO溫補晶振溫度穩定度可達±0.5PPM.在普通晶體諧振器和振蕩器中,我們可接受高頻率和偏頻率以及少數量的高精度寬溫的制作. 

          石英晶體廣泛用于通信基站,廣電,計算機,儀表設備,軍用裝備,監控設備,數據傳輸,醫用測量設備,銀行ATM設備,GPS衛星定位,網絡傳輸機...這里簡單介紹幾種優勢振蕩器的概念,方便客戶選用:

          ①,SPXO是最簡單的晶體振蕩器,它是由晶體元件與振蕩電路按設計要求,集成裝配在PCB電路板上并用金屬外殼封裝而成的頻率器件.我司主要提供二次封裝型,是用晶體諧振器與振蕩電路再裝配,這樣能夠使得產品的性能更加優越.

          ②,VCXO壓控晶體振蕩器是一種外加電壓使頻率按規律偏移或調制,主要由晶體元件,二極管和振蕩電路組成,其工作原理是通過控制電壓來改變變容二極管的電容,從而牽引晶體元件的頻率,以達到理想的頻率位置.

          ③,TCXO溫度補償晶體振蕩器是一種用帶有補償功能的系統減小環境溫度引起頻率變化的晶體振蕩器,可分為模擬和數字補償,前者主要是利用熱敏電阻網絡的溫度反饋來模擬補償晶體元件的溫度特性曲線.后者是采用數字電路和器件,通過寄存溫補控制數據,傳感溫度和數字轉換來實現.模擬溫補性能更優越.

          ④,OCXO恒溫晶體振蕩器是通過內部恒溫的方式使頻率保持穩定的晶體振蕩器.

          ⑤,CF晶體濾波器是一種利用壓電石英晶體的高Q值穩定特性成的信號頻率選擇器件.

          我們優勢在于量小可接單,高質量產品可接單,偏頻率可接單,高頻率段可接單.低頻率段惡劣要求裝置的堅決不接單(器件中我們選擇的一般是精密晶體,以及USA(PTI)IC進行裝置,原材料都是經過測試,存放并實驗后無問題才進行裝置,工序絕對不偷工減料,以達到我們器件長久的工作壽命,盡量減小年老化的頻率飄移).

          誠信經營,高質量的品質為發展基石,歡迎咨詢.我將竭盡所能為您服務.

       <<上一篇: 壓電石英晶體免疫傳感器在前列腺特異抗原檢測的實驗研究
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