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首頁新聞中心 為什么藍牙產(chǎn)品離不開晶體頻率控制器件?

為什么藍牙產(chǎn)品離不開晶體頻率控制器件?

來源:http://www.cecs.net.cn 作者:泰河電子晶振 2019年09月09
在早之前,我們上初中那么會,用的智能手機并不高端,品牌也并不是什么知名品牌,學生時代并不需要用到多高大尚的手機,有個智能手機用就已經(jīng)算很不錯的了.那個時候有個手機都能樂呵好久。可能是對新新世界的好奇吧,都會去對手機每個功能去了解,至于對藍牙的了解,就比較深刻了,因為用藍牙聯(lián)接并不需要耗費流量,在那個時候流量可是珍寶,因為自己并沒有開始工作,沒有經(jīng)濟來源,只能靠家里給的伙食費跟一點點零花錢來用,但是也不用亂用,畢竟花完了就沒有了,所以我們那個時候是對流量超在意的。因為家里還沒有買電腦,不讓買,怕到時候會影響到我們的學習,所以我們同學之間有手機的都會相互的分享自己手機里好聽的歌,或者是好看的電影以及圖片。有的時候會直接拿內(nèi)存卡去下載,不過這個就比較麻煩,內(nèi)存卡被取走之后手機里的好多軟件就會沒辦法使用。所以對藍牙的使用還是挺方便的,我們只要在設置那里雙方打開藍牙,然后搜索藍牙配對裝置,就可以找到,配對成功之后就可以直接傳輸任意文件了。
  而如今,藍牙的存在,不僅僅只是兩個手機之間相互聯(lián)接了。現(xiàn)在手機通過藍牙可以連接到電腦,手表,音響,車載,打印機等這都是比較常用的應用。對支持藍牙無線技術的產(chǎn)品的需求繼續(xù)快速增長。家庭、辦公室和汽車中連接的設備數(shù)量眾多,消除電纜雜亂的愿望使得藍牙成為一種可行的解決方案。如今移動通信產(chǎn)品中的功能也推動了藍牙應用程序?qū)⑦@些設備連接到個人區(qū)域網(wǎng)絡中。
  使用藍牙的產(chǎn)品多種多樣。PDA、打印機、電腦鍵盤和鼠標、耳機、游戲設備、路由器、條形碼掃描儀、相機、移動電話、免提車載套件,這些都只是實現(xiàn)藍牙無線技術的產(chǎn)品的表面。這項技術每天都有新的用途,導致更多的產(chǎn)品支持藍牙。
那你知道什么是藍牙嗎?
  簡單的講,藍牙被認為是用來取代連接電子設備的電纜。具體地說,它是在2.4ghz的ism頻帶中工作的短程無線電模塊。藍牙協(xié)議設計用于在噪聲頻率環(huán)境和短距離(10米)內(nèi)工作,采用了跳頻方案,使鏈路更加健壯。為了避免與其他信號的干擾,無線鏈路在設備之間發(fā)送或接收數(shù)據(jù)流(或分組)后迅速跳到新頻率。
那你知道是什么產(chǎn)品在背后支持著藍牙能夠正常的工作嗎?
  沒錯,就是晶振。就是那一顆顆米粒般大小的晶體在背后默默的支持著藍牙,讓藍牙可以每時每刻都能夠正常又穩(wěn)定的出現(xiàn)在大家的面前,為了能讓大家可以更好的使用。
  隨著對無線應用的需求不斷增長,許多公司都在生產(chǎn)提供藍牙技術解決方案的芯片組。這些芯片組中的大多數(shù)需要一個外部定時裝置,以石英晶體的形式,可以倍增到2.4ghz頻段。石英晶體需要尺寸小,可靠性高,并提供足夠的頻率穩(wěn)定性。
  CTS晶振公司也不斷的的研發(fā)生產(chǎn)出更有利于藍牙成長使用的石英晶體,CTS型號403,405,406和407都是一系列適合藍牙應用的晶體。基于陶瓷的封裝,帶有各種尺寸的焊接金屬蓋,提供在藍牙環(huán)境下工作所需的性能。典型的藍牙頻率為12、13、15.36、16、24、26和32兆赫茲,在基本諧振模式下工作。用戶定義工作溫度范圍、25°C時的頻率公差、溫度范圍內(nèi)的穩(wěn)定性和負載電容。詳細參數(shù)請參考以下表格。
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此文關鍵字: 頻率元器件藍牙晶體
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