中原大學電機工程學系
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Multi-Phase-Shift Signal Generators 多相角差的訊號產生器
指導老師:張俊明   組長:林恩揚   組員:宋程傑、朱家君、楊承勳、劉軍良
透過OTA(operational transconductance amplifier)中偏壓電流的改變造成g值(放大倍率)的改變,再加上震盪條件,可以使我們儘利用相當單純的直流輸入來得到交流訊號的輸出,且藉由電路中加入電容和調整電路可以使輸出的訊號中,每個訊號之間形成相角差,我們的設計可以得到90-45-90度的相角差,此即一訊號產生器
We can use a really simple DC input signal to get an AC signal output by verifying the element OTA(operational transconductance amplifier)’s bias current. This will make the variable g(Magnification ratio) to change,moreover,we can subjoin the oscillation condition,the capacitor, and the biasing circuit to produce phase differences between each output signal. We designed a 90-45-90 phase difference signal generator.
我們決定將壓電陶瓷晶片和鞋子做結合。
 
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