電路的輸入阻抗(英語:input impedance)是指電路從輸入功率源方向「看進」電路時所等效的阻抗。如果功率源提供了已知的電壓和電流,這阻抗可以通過歐姆定律求得。輸入阻抗是電路的戴維寧等效,其模型是一個RL(電阻-電感)或RC(電阻-電容)組合,得到的等效電路能與原電路對外產生相同的響應效果。
外部連結
參考文獻
- The Art of Electronics, Winfield Hill, Paul Horowitz, Cambridge University Press, ISBN 0-521-37095-7
- "Aortic input impedance in normal man: relationship to pressure wave forms", JP Murgo, N Westerhof, JP Giolma, SA Altobelli pdf (頁面存檔備份,存於互聯網檔案館)
- An excellent introduction to the importance of impedance and impedance matching can be found in A practical introduction to electronic circuits, M H Jones, Cambridge University Press, ISBN 0-521-31312-0
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