作者查詢 / Leadgen
作者 Leadgen 在 PTT [ Electronics ] 看板的留言(推文), 共254則
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3F推: 長Tree的時候,delay可能不一樣(skew),造成同時觸發。09/02 18:26
1F推: 除非這輩子都不需要用了,不然就留著下次用吧。08/22 00:38
8F推: 是不是該畫State Machine?08/14 07:59
6F推:充電會降壓到4.2V附近;供電再升壓到5V08/02 19:44
7F推:為什麼會燒掉? 是因為交換式的後面接穩壓ic嗎?07/31 15:22
9F推:樓上是指,因為落在穩壓ic的功率太多。發燙而燒掉。07/31 16:36
10F→:請問交換式的電源的高頻雜訊會不會對穩壓ic造成影響?07/31 16:37
13F推:何謂操作在建議值? 是電壓?電流?切換頻率? 還是功率?08/01 15:30
22F推:切換頻率太高會發生什麼事?08/02 18:00
26F→:通常切換式電源及穩壓晶片都有電容濾波,這樣還會震震的嗎08/02 19:45
33F推:在高頻時電容無法濾波,是因為電容本身有寄生電感的原因嗎08/02 20:08
35F推:正常切換式的切換頻率設在50k Hz附近,穩壓晶片工作如何?08/05 09:16
1F→:順發有得買07/31 15:22
4F推:這時鋰電池不是通常都用一次電池嗎? RTC這麼低的電流。07/22 19:40
3F推:AC-->DC? DC-->DC?07/15 19:57
1F推:白色會太亮~06/27 20:28
11F推:在模擬時Timing放寬一點,邏輯對,實際上就不會差太多了。06/27 13:02