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題名 | A Translinear Programmable Analog Nonlinear Function Synthesizer=一個線性轉導之可程式類比非線性函數合成器 |
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作者姓名(外文) | Taher,Muhammad; Atti,Abuelma; | 書刊名 | Proceedings of the National Science Council : Part A, Physical Science and Engineering |
卷期 | 24:2 2000.03[民89.03] |
頁次 | 頁143-147 |
分類號 | 448.532 |
關鍵詞 | 合成類比非線性函數; 電路組態; SPICE; Nonlinear functions; Rational function approximation; Bipolar transistors; |
語文 | 英文(English) |
英文摘要 | A new circuit configuration is presented for synthesizing analog nonlinear functions. The proposed circuit is based on approximating the nonlinear functions using rational functions. The terms of the resulting rational functions are realized one- by-one, each in a separate building block, and the required function is the sum of the output currents of these blocks. The weights of the rational-functions are controlled using current sources. The circuit is flexible and can synthesize any nonlinear function, to any degree of accuracy, once its rational-function approximation is obtained. The proposed circuit uses only bipolar transistors and current-sources, and is therefore, very attractive for integration. SPICE simulation results are included. |
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