IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Dimensional extension of Kurokawa's stability criterion for general multi-port device oscillators
Takashi OhiraKiyomichi Araki
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2006 Volume 3 Issue 7 Pages 143-148

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Abstract

This paper presents a theoretical formulation on the stability criteria for non-linear oscillator circuits. We extend Kurokawa's discriminant to a general free-running oscillator employing an n-port active device. It is shown that the product of device admittance and passive circuit impedance matrices dominates the oscillation behavior. The frequency- and amplitude-partial derivatives of the matrix determinant play a key role in the stability analysis. The obtained results are especially effective for designing broadband micro- and millimeter-wave signal generators and frequency synthesizers.

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© 2006 by The Institute of Electronics, Information and Communication Engineers
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