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|Title:||High input impedance all-pass and notch filter configuration|
Gupta, G K
|Keywords:||Active filters;Current conveyor;Translinear current conveyor;All-pass filter;Notch filter|
|Abstract:||A circuit realizing second order all-pass and notch filter, employing current conveyors and operational amplifier/CFA as the active circuit elements is proposed. The circuit uses only two current conveyors, one operational amplifier/current feedback amplifier, four resistors and two grounded capacitors. The current conveyors used in the circuit are replaceable by translinear current conveyors and thus quality factors Q and center frequency become controllable through the bias currents of the translinear current conveyors. The filter also displays low incremental parameter sensitivities. The simulation results on the filter support theory.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.44(05) [May 2006]|
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