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摘要
The proposed architecture features an independent setting of filter poles, while ensuring a constant unity gain. The unity gain simplifies the cascaded connection of filter blocks and avoids the increase of voltage swing for subsequent cascaded blocks observed with other filter architectures. Only the input Operational Amplifier must meet more demanding requirements (in terms of bandwidth and open-loop gain), while the other units are voltage follower units with the possibility of using a video buffer to cope with a demanding load capability. Performances are much better than or comparable to other known filter architectures.
- 出版日期2010-8
