Affiliation:
1. Department of Electronic Engineering, Chung Yuan Christian University, Chung Li District, Taoyuan City, 32023, Taiwan
Abstract
Background:
Three high input impedances voltage-mode first-order filters are presented.
Methods:
The first proposed circuit uses one multi-output second-generation current conveyor, two
resistors and one grounded capacitor. The second proposed circuit uses two second-generation current
conveyors, three resistors and one grounded capacitor. The third proposed circuit uses one
multi-output second-generation current conveyor, one resistor and two grounded capacitors.
Results:
First-order lowpass and allpass filters can be simultaneously obtained in the first proposed
circuit. First-order lowpass, highpass and allpass filters can be simultaneously obtained in the second
proposed circuit. The third proposed circuit can realize first-order allpass filter.
Conclusion:
All the proposed circuits have the advantages of high input impedances and using only
grounded capacitors.
Publisher
Bentham Science Publishers Ltd.
Subject
Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
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