Frequency limitations on an operational amplifier realization of all-pass transfer functions with complex poles

Frequency limitations on an operational amplifier realization of all-pass transfer functions with complex poles

The effect of finite gain bandwidth product on a proposed network for the realization of all-pass functions with complex or real poles is examined. It is found that severe low-frequency limitations are imposed. A modification of the network is given in which this restriction may be overcome.

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Veröffentlicht in:Proceedings of the IEEE 1970-01, Vol.58 (7), p.1137-1138
Hauptverfasser: Budak, A., Aronhime, P.
Format: Artikel
Sprache:eng
Schlagworte:
Band pass filters
Chebyshev approximation
Digital filters
Frequency
Labeling
Low pass filters
Operational amplifiers
Polynomials
Software systems
Transfer functions
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Beschreibung
Zusammenfassung:The effect of finite gain bandwidth product on a proposed network for the realization of all-pass functions with complex or real poles is examined. It is found that severe low-frequency limitations are imposed. A modification of the network is given in which this restriction may be overcome.
ISSN:0018-9219
DOI:10.1109/PROC.1970.7863