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廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
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廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
參考價(jià) | 面議 |
聯(lián)系方式:張亮查看聯(lián)系方式
更新時(shí)間:2018-04-11 07:32:41瀏覽次數(shù):441
聯(lián)系我們時(shí)請說明是泵閥商務(wù)網(wǎng)上看到的信息,謝謝!
AS-8535-000*-*AS-8535-000
AS-8535-000*-*AS-8535-000
有源晶振通常有4個(gè)引腳,VCC,GND,晶振輸出引腳和一個(gè)沒有用到的懸空引腳。無源晶振有2個(gè)或3個(gè)引腳,如果是3個(gè)引腳的話,中間引腳是晶振的外殼,使用時(shí)要接到GND,兩側(cè)的引腳就是晶體的2個(gè)引出腳了,這兩個(gè)引腳作用是等同的,就像是電阻的2個(gè)引腳一樣,沒有正負(fù)之分。對于無源晶振,就是用我們的單片機(jī)上的兩個(gè)晶振引腳接上去即可,而有源晶振,只接到單片機(jī)的晶振的輸入引腳上,輸出引腳上不需要接,如圖3和圖4所示。:張亮(工程師) 專線:
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