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作者 cpt 在 PTT [ comm_and_RF ] 看板的留言(推文), 共347則
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20F推: 就算是業界 現在流行的也是 IC+板子的RF模組99.165.42.127 10/14 16:06
21F→: 被動元件都印在板子上 負責板子的team有時比99.165.42.127 10/14 16:07
22F→: IC team人數還多99.165.42.127 10/14 16:08
2F推: 試試class-D/E/F吧 不過實作起來難度不低75.80.181.5 10/03 13:43
4F推: ET可能matlab跑跑就很了不起來 電路兜起來75.80.181.5 10/07 13:36
5F→: 可以當博班論文了75.80.181.5 10/07 13:36
3F推:(1)device用大顆一點 (2)降低load impedance75.80.181.5 07/02 15:48
1F推:http://goo.gl/VxEJsi75.80.181.5 06/16 14:17
2F→:文章太新了 IEEEXplore應該還沒放上去75.80.181.5 06/16 14:17
4F推:買一個RF test chamber72.130.155.220 11/09 15:37
2F推:你看到圖四多出來的那些電容是decoupling cap72.130.155.220 11/04 14:02
3F→:要穩定 除了gate小電阻 也可以在decap串連小電72.130.155.220 11/04 14:05
4F→:阻 穩定度除了跑s-param看stability factor72.130.155.220 11/04 14:06
5F→:暫態模擬也要跑 不給信號 給電流脈衝 如果不會72.130.155.220 11/04 14:07
6F→:起振或ringing就比較安全72.130.155.220 11/04 14:07
1F推:輸入端有DC-blocking cap嗎? why RF-choke?72.130.155.220 10/28 14:56
2F→:測量時 VG偏壓改變 gain會變嗎?72.130.155.220 10/28 14:57
10F推:我的理解是歷史背景不同 早其Si/CMOS太慢無法75.80.151.190 09/15 15:07
11F→:做微波應用 靠的是III-V(軍事工業帶起的)75.80.151.190 09/15 15:08
12F→:電路做成單顆IC就叫MMIC了 '90之後CMOS微縮也75.80.151.190 09/15 15:09
13F→:開始能上RF 從定義上也算MMIC 但歷史脈絡不同75.80.151.190 09/15 15:10
14F推:另外由於歷史脈絡不同 傳統上做MMIC和RFIC的75.80.151.190 09/15 15:18
15F→:人是兩個偶有交集但不同的兩個圈子 有時連術語75.80.151.190 09/15 15:19
16F→:都不太一樣75.80.151.190 09/15 15:19
1F推:那只適用於低溫 溫度高到一定程度之後75.80.151.190 06/13 16:14
2F→:晶格散射效應會開始讓導電性降低75.80.151.190 06/13 16:15
2F推:轉到頻域不是一根箭頭就不是single tone75.80.151.190 06/13 15:05