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Title: High input impedance allpass networks using four terminal floating nullor
Authors: Shah, N A
Malik, M A
Keywords: Four terminal floating nullor;Allpass filters;High input impedance
Issue Date: Sep-2004
Publisher: CSIR
IPC Code: H 03 H1/00
Abstract:  Two novel circuits to realize high input impedance voltage-mode allpass filter functions each using a single four terminal floating nullor (FTFN) and four passive components have been presented. The realizibility condition is simple and temperature invariant being in the form of resistor ratio. The phase besides being adjustable by the frequency of applied voltage signal can also be controlled by adjusting the values of passive components without disturbing the realizibility condition. Simulation results are also included.
Page(s): 700-702
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.42(09) [September 2004]

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