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A novel active compensation scheme for active-RC filters

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2 Author(s)
S. Ravichandran ; Indian Institute of Technology, Madras, India ; K. R. Rao

A novel scheme using two internally compensated operational amplifiers with unmatched gain-bandwidth products is suggested as a replacement for the conventional single-amplifier integrators, inverters or summers. The scheme, while providing exact phase compensation, contributes to magnitude compensation as well. Filters realized using such a scheme have an extended range of frequency of operation with reduced error in pole frequency and in Q.

Published in:

Proceedings of the IEEE  (Volume:68 ,  Issue: 6 )