An active-compensated double-integrator filter without matched operational amplifiers

1 April 1980

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 68 (4) , 534-535
https://doi.org/10.1109/PROC.1980.11682

Abstract

All active-compensated double-integrator filters proposed up to now require matched operational amplifiers. This condition is never fully met in practice, resulting in a Q-error that can be large at high-Q and high pole frequencies. A superior double-integrator filter is presented here, which does not require matched operational amplifiers to give error-free Q even under extreme conditions.

Keywords

MATCHED FILTERS
OPERATIONAL AMPLIFIERS
RESISTORS
BAND PASS FILTERS
SOLID STATE CIRCUITS
FREQUENCY
RLC CIRCUITS
QUADRATIC PROGRAMMING
ELECTRONS
CAPACITORS

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