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作者 kdjf 在 PTT [ comm_and_RF ] 看板的留言(推文), 共24則
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1F推: 電容的等效是串聯LC,共振頻率下類似0ohm電101.136.143.218 06/11 17:06
2F→: 阻,稍高於時等效一個微小的電感性對地阻抗101.136.143.218 06/11 17:06
3F→: ,對short stub來說還行101.136.143.218 06/11 17:06
9F推: 50G時沒有空間要求的話,microstrip stub就123.192.183.161 06/14 22:39
10F→: 能搞定RF filter了,不一定要零散元件123.192.183.161 06/14 22:39
3F推: Er低,寄生電容就小啊,高頻對電容敏感101.137.237.159 10/28 12:43
3F→: 超過100倍是認真的? 是用過還是覺得要?36.227.2.219 12/04 00:40
4F→: 焊接需求應該是架一個微距USB cam就能解決36.227.2.219 12/04 00:42
5F→: 1k倍都能看細菌了36.227.2.219 12/04 00:45
6F推: 純定性的圖,數字和形狀就別計較了111.241.150.224 02/17 11:11
7F→: http://i.imgur.com/K7sfOw6.jpg111.241.150.224 02/17 11:11
8F→: 1GHz和2GHz的載波用同樣的調變傳送一樣變化111.241.150.224 02/17 11:15
9F→: 頻率的訊號時產生的power spectrum分布一樣111.241.150.224 02/17 11:15
10F→: ,中心位置不同而已。如果覺得頻率變高所以111.241.150.224 02/17 11:15
11F→: 加快調變的速度,會拿到更廣(超出規格的)頻111.241.150.224 02/17 11:15
12F→: 率分布,相當於更廣的頻率範圍111.241.150.224 02/17 11:15
11F→: @jdr:一秒內偏移pi在頻譜上產生的現象是一樣111.241.156.90 10/17 22:03
12F→: 的,如果你想說1ghz下能變動百萬次phase在頻111.241.156.90 10/17 22:03
13F→: 譜分析上你會拿到很廣的分布111.241.156.90 10/17 22:03
23F推: 頻率高所以"變化快"就隱含了他用的頻寬大了111.241.156.90 10/17 21:58
24F→: 的意思111.241.156.90 10/17 21:58
1F→: 你想要AFM+STM?1.160.116.77 09/09 10:23
1F→: 沒有一個時間區段怎麼定義頻率?140.112.55.55 08/29 19:49
1F→: 不同頻率用的型狀/重視的點不同36.230.203.209 10/31 23:36
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