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Sinusoidal oscillators with lower gain requirements at higher frequencies based on an explicit tanh(x) nonlinearity
Journal article   Peer reviewed

Sinusoidal oscillators with lower gain requirements at higher frequencies based on an explicit tanh(x) nonlinearity

A. S. Elwakil, S. Ozoguz and K. N. Salama
International journal of circuit theory and applications, Vol.38(7), pp.747-760
01/09/2010
DOI: https://doi.org/10.1002/cta.592

Abstract

Engineering Engineering, Electrical & Electronic Science & Technology Technology
Two novel sinusoidal oscillator structures with an explicit tanh(x) nonlinearity are proposed. The oscillators have the attractive feature: the higher the operating frequency, the lower the necessary gain required to start oscillations. A nonlinear model for the two oscillators is derived and verified numerically. Spice simulations using AMS BiCMOS 0.35 mu model parameters and experimental results are shown. Copyright (C) 2009 John Wiley & Sons, Ltd.

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