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題名 | New Universal Filter with One Input and Five Outputs Using Current-Feedback Amplifiers=使用電流迴授放大器具有單一輸入與五個輸出的新型全功能濾波器 |
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作者 | Abuelma'atti,Muhammad Taher; Al-zaher,Hussain abdullah; |
期刊 | Proceedings of the National Science Council : Part A, Physical Science and Engineering |
出版日期 | 19980700 |
卷期 | 22:4 1998.07[民87.07] |
頁次 | 頁504-508 |
分類號 | 448.533 |
語文 | eng |
關鍵詞 | 電流迴授放大器; 濾波器; Filters; Current-feedback amplifiers; |
中文摘要 | 本文完成了一個新型全功能電壓模式的二階濾波器電路。此一電路包含了五個電 流迴授運算放大器、兩個接地電容器、三個接地電阻器、以及三個浮接電阻器。它可以在不 更換任何被動元件的情況下提供典型的濾波器功能,如低通、高通、帶通、帶阻(notch)、以 及全通等。此一電路也具備下述諸項優點:工作頻率及頻寬可以用接地電阻單獨控制,低輸 出阻抗,低靈敏度(對主動元件與被動元件皆然)。 |
英文摘要 | A new universal voltage-mode second-order filter Circuit is presented. The circuit uses five current-feedback operational amplifiers, two grounded capacitors, three grounded resistors and three floating resistors. The circuit can realize all the standard filter functions, lowpass, highpass, bandpass, notch and allpass, without changing the passive elements. The proposed circuit enjoys independent grounded-resistance-control of the natural frequency and the bandwidth, low output impedances, and low active and passive sensitivities, |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。