IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Electronically tunable allpass filter: linear VCO design
Rabindranath NandiKoushick MathurSandhya Pattanayak
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2016 Volume 13 Issue 6 Pages 20160059

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Abstract

A new electronically tunable allpass filter (ETAF) realization using the composite Current Feedback Amplifier (CFA) and Multiplication Mode Current Conveyor (MMCC) building blocks is proposed. First order non-minimum phase function with electronically variable output phase is derived. Extension of the filter to a linear quadrature-VCO design is then implemented. Simulation test responses of all these functions are satisfactorily verified.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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