[問題] 電晶體放大波形問題
小弟對電子學不甚熟悉,
最近希望透過實作來加強,
但才剛起步就碰到問題,
以下是我拿來測試的電路:
http://0rz.tw/hx4DU
就是最基本的CE放大器而已,
以下是輸入與輸出波形比較:
http://0rz.tw/RXfLK
我的輸入是1kHz的弦波,
示波器電壓每格是2V,時間每格是0.2ms
問題1:
為何正半週被切掉的部分不是平整的而有一個斜度在?
跟電晶體的反應速度有關?
問題2:
為何負半週不是像正半週那樣被截掉,
而是一個上凹半圓,
猜測是與電容充放電有關係?
但想破頭還是無法很合理的解釋這個現象,
要麻煩板上的各位高手們幫我解惑了!
先在此謝謝各位<(_ _)>
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