一負回授放大器,其回授電路純由電阻組成,其開迴路增益為 10^5 並具有三個極點頻率(Pole Frequency) 分別為 fa = 10^6 Hz, fb = 10^7 Hz, fc = 10^8 Hz 則此回授放大器的可能振盪頻率 (A) 低於 fa (B) 介於 fa~fb (C) 介於 fb~fc (D) 高於 fc 這題我不是很懂 請高手解說 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.102.142.175※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1396611267.A.D2C.html
→alan3340:個人覺得答案是(A)低於fa04/04 19:47
This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.
You are receiving this email because you subscribed to this feed at blogtrottr.com.