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作者 proach 在 PTT [ Electronics ] 看板的留言(推文), 共517則
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1F→:輸入信號的電壓跟頻率是?01/11 00:22
3F→:signal-->diodex2-->74LS390 這樣就好了01/11 18:19
3F→:小心點是可以分接的,不然你自己作repeater就好了。12/30 10:37
3F→:小弟才疏學淺,看起來實在不像是log電路....12/12 10:13
7F推:sorry原po:P 我記錯log跟exp電路12/13 01:12
8F→:還有,負回受也是會震盪的...因為元件不是無限快12/13 01:13
6F推:你們不會是要作AO吧?11/20 03:29
7F推:www.wirelessHD.com SiBEAM技術,60GHz無線技術video link11/04 17:28
8F→:60GHz指向性很嚴重, SiBEAM包了adaptive antenna進去11/04 17:28
28F→:LM1117有2.5V版本的 很多零件行有貨10/02 16:59
12F推:問這樣細...應該指明型號問原廠了吧?09/28 02:18
8F→:串一個75ohm到地試試看,真正數值視你的電路特性而定06/10 17:26
4F推:please use AC, not DC power source.06/08 23:54
6F→:SCR本來就是用AC+PWM概念工作的啊06/10 09:55
5F→:原廠網頁上不是有購物服務嗎?說明書也是在網頁上啊03/02 13:49