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基于CCII和CDCTA的低功耗电控调谐n阶滤波器设计

更新时间:2020-06-24 10:34:04 大小:694K 上传用户:zhiyao6查看TA发布的资源 标签:cciicdcta滤波器 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对高阶滤波器功耗高和频带窄的问题,提出了一种电流模式n阶多功能滤波器。该电路仅由一个第二代电流传输器(CCII)、一个电流差分级联跨导放大器(CDCTA)以及接地电容组成。电路结构简单,功耗低至6.82 mW,灵敏度小于1,3 dB带宽大于100 MHz,且带宽可电控调谐。PSpice仿真和硬件实验测试结果表明所设计的电路正确有效。

In order to solve problems of high power consumption and narrow bandwidth, a new current-mode nth-order multifunction filter circuit was presented. It is composed of one CCII( second-generation current conveyor), one CDCTA( current differencing cascaded transconductance amplifier) and grounded capacitors. The proposed filter enjoys the simple structure and the circuit power consump-tion is only 6. 82 mW, the maximum sensitivities value is only 1 and the circuit bandwidth is over 100 MHz. Moreover, its band-width can be tuned electronically. PSpice simulation and hardware experiment have been included to verify the theoretical analysis.

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基于CCII和CDCTA的低功耗电控调谐n阶滤波器设计.pdf 694K

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