Balanced transconductor-C ladder filters with improved linearity

Balanced transconductor-C ladder filters with improved linearity

Balanced transconductor-C filters simulating passive LC ladder structures can be built with different arrangements of the balanced transconductors, what reduces the input voltages over the transconductor inputs, reducing the nonlinearity of the filter. The need of common-mode feedback circuits can a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: de Queiroz, A.C.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit simulation
Feedback
Frequency
Linearity
Low pass filters
Passive filters
Stability
Transconductance
Transconductors
Voltage
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Beschreibung
Zusammenfassung:Balanced transconductor-C filters simulating passive LC ladder structures can be built with different arrangements of the balanced transconductors, what reduces the input voltages over the transconductor inputs, reducing the nonlinearity of the filter. The need of common-mode feedback circuits can also be eliminated by structural changes in the transconductors. The paper investigates the synthesis procedure and the stability properties of these modified filters.
ISSN:1548-3746
1558-3899
DOI:10.1109/MWSCAS.2009.5236156