K.A. Mezher (UAE) and P. Bowron (UK)
Noise analysis, noise-flow-graph, continuous-time active filters, high-order filters, operational transconductance amplifiers
Various high-order transconductance-capacitor active filter structures are analysed by means of noise flow graphs. Their noise performances are compared for different high-order lowpass approximation designs. Contrary to the known active RC property, the IFLF configuration only exhibits optimal noise suppression well within the passband and not at the filter critical frequency.
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