作者sovereignty (沒人能把誰的幸福)
看板comm_and_RF
標題Re: [問題] 請問單一顆電晶體為什麼會振盪呢?
時間Sun Apr 9 23:26:53 2006
※ 引述《konora (焦糖瑪奇朵~(b))》之銘言:
: 大家好~
: 我有一個問題想請教各位
: 單一顆電晶體 輸入和輸出都接bias-T模擬
: 發現到高頻時 都會不穩定.
: 這是什麼情形呢?
: 謝謝
You are doing simulation? Many reasons will cause oscillation,
especially at higher frequency. One of them is the feedback
path bouncing from mismatched port. At higher frequency,
parasitic capacitance and inductance will become larger and
lead to oscillation.
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1F:推 konora:Thx 04/16 13:47