作者查詢 / tonybin
作者 tonybin 在 PTT [ Electronics ] 看板的留言(推文), 共236則
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2F推:樓上XD03/08 14:30
3F→:你沒有弄清楚問題02/13 22:29
4F→:樓上正解 rise time相對快才是高頻.跟介面無關12/26 20:10
9F→:Relay開關的對象是AC,應該跟你的系統沒關係才是12/08 13:56
10F→:有對relay直流線圈作放電機制嗎?12/08 13:57
1F→:preset...11/25 22:59
14F→:DC確定很直流是如何確定? 示波器點過了?11/25 22:44
16F→:手摸電路會影響多半是差模雜訊, 加上用電池供電沒有雜音11/25 22:46
17F→:可斷定是AC to DC 過來的音頻內雜訊11/25 22:46
20F→:就是為了安規和保護呀.至於會不會炸是另一個問題,把水火10/22 23:22
21F→:兩線其一當作系統參考電位,一樣電路照樣能動10/22 23:23
22F→:有隔離的話,二次側要求比一次側鬆.沒隔離整個系統都算一次10/22 23:26
1F→:嘴砲魔人屢見不鮮10/10 11:40
1F→:直接到官網買10/09 14:29
2F→:只分一條線通/不通而已哪什麼正負極10/07 00:20