| HIGH SELECTIVITY SC BANDPASS FILTERS WITH LESS CAPACITOR SPREAD |
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| 作者姓名： | 吴杰 |
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| 作者单位： | Hunan University |
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| 摘 要： | Two novel switched-capacitor(SC)bandpass filters using a single operational am-plifier(op amp)are presented.Optimal designs for minimizing capacitor spread are also given.Gain-bandwidth product(GB)effects of op amps on the proposed SC circuits are taken intoconsideration.Comparisons with the proposed circuits and the circuits given by the literatureshow that the new circuits require less chip area in monolithic integration and are less sensitiveto the GB effects.
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High selectivity SC bandpass filters with less capacitor spread |
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| Wu Jie.HIGH SELECTIVITY SC BANDPASS FILTERS WITH LESS CAPACITOR SPREAD[J].Journal of Electronics,1990,7(1):54-61. |
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| Authors: | Wu Jie |
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| Affiliation: | (1) Hunan University, Changsha |
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| Abstract: | Two novel switched-capacitor(SC)bandpass filters using a single operational am- plifier(op amp)are presented.Optimal designs for minimizing capacitor spread are also given. Gain-bandwidth product(GB)effects of op amps on the proposed SC circuits are taken into consideration.Comparisons with the proposed circuits and the circuits given by the literature show that the new circuits require less chip area in monolithic integration and are less sensitive to the GB effects. |
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| Keywords: | Switched-Capacitor filters Bandpass filters |
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