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題 名 | Realization of Lowpass, Highpass and Bandpass Biquadratic Filters Using a Single CFA=使用單一電流迴授放大器合成二階式低通,高通與帶通濾波器 |
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作 者 | 鄞永昌; | 書刊名 | Fu Jen Studies. Science and Engineering |
卷 期 | 32 1998.12[民87.12] |
頁 次 | 頁49-58 |
分類號 | 448.533 |
關鍵詞 | 電流迴授放大器; 靈敏度; Current-feedback amplifier; Sensitivity; |
語 文 | 英文(English) |
中文摘要 | 本文提出使用單一電流迴授放大器配用兩個電阻與兩個電容合成二階式低通,高通與帶通濾波器。此濾波器所使用的元件非常少。另外,被合成之濾波器其被動靈敏度是二分之一或是零,主動靈敏度為零。所以其品質因素與中心頻率沒有電流與和電壓軌跡誤差問題。最後除理論的分析外三種濾波器的實驗結果也被包含在內。 |
英文摘要 | New biquadratic lowpass (LP), highpass (HP) and bandpass (BP) filters using a single current-feedback amplifier (CFA), two resistors and two capacitors are suggested. The passive sensitivities of the proposed filters are either 1/2 or zero. Moreover, the quality factor and the central frequency of the proposed filters are insensitive to the voltage and current tracking errors of a CFA. Finally, three experimental results and simulative ideal curves on the theoretical analysis are included. |
本系統中英文摘要資訊取自各篇刊載內容。