The unity gain bandwidth is determined by the frequency at
which the loop gain passes through the 0 dB level.
請問這句該怎么翻譯
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@alvin00
說的很模糊.我看光偶的datasheet上給出的CTR是在IF=5ma條件下的.有人給我說,光偶得If必須大于5mA光歐才能正常工作,不知道此說法是否正確?
說法不對,請參看從PC817數據手冊中摘錄的附圖, IF從1mA開始就能保證CTR在正常范圍.
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@mikelijian
說法不對,請參看從PC817數據手冊中摘錄的附圖,IF從1mA開始就能保證CTR在正常范圍.[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點擊可放大。\n按住CTRL,滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/73/799071232106772.gif');}"onmousewheel="returnimgzoom(this);">
我查了2個pc817規格書,都沒你這個圖阿
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