Very high-Q insensitive active RC networks
- 1 August 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Circuit Theory
- Vol. 17 (3) , 358-366
- https://doi.org/10.1109/tct.1970.1083146
Abstract
A new circuit realizing high stableQ's is presented. The frequency dependence of the operational amplifiers, which has been the principal limiting factor for highQat higher frequencies for networks presented in the literature, has been taken into account. The performance of the new network is shown to be superior to the realizations thus far presented in the literature for the following reasons. TheQrealized by the new circuit is independent of the operational-amplifier bandwidth, which results in a stable response. The realization is also insensitive to manufacturing tolerances and, therefore, it can be readily tuned for the desiredQand center frequency without encountering any stability problems.Keywords
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