Generalized CFA filter topology based on gain blocks

Generalized CFA filter topology based on gain blocks

Generalized voltage mode filters that employ two current feedback amplifiers are proposed in this paper. The new biquads are attractive because they offer improved gain sensitivities compared to single current feedback amplifier biquads. Also they do not employ the Z node and so a wide range range o...

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Bibliographische Detailangaben
Hauptverfasser: Maundy, B., Gift, S., Aronhime, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bandwidth
Circuit topology
Feedback amplifiers
Feedback circuits
Filtering
Filters
Flexible printed circuits
Network topology
Transfer functions
Voltage
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Beschreibung
Zusammenfassung:Generalized voltage mode filters that employ two current feedback amplifiers are proposed in this paper. The new biquads are attractive because they offer improved gain sensitivities compared to single current feedback amplifier biquads. Also they do not employ the Z node and so a wide range range of commercial current feedback amplifiers can be used in their implementation. Theoretical results as well as experimental results are presented using AD844s in which the accessible Z node is not used.
ISSN:1548-3746
1558-3899
DOI:10.1109/MWSCAS.2007.4488641