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

A. S. Elwakil; S. Ozoguz; K. N. Salama

doi:10.1002/cta.592

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

A. S. Elwakil, S. Ozoguz, K. N. Salama

Department of Electronics and Communication Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

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 μ model parameters and experimental results are shown.

Original language	English
Pages (from-to)	747-760
Number of pages	14
Journal	International Journal of Circuit Theory and Applications
Volume	38
Issue number	7
DOIs	https://doi.org/10.1002/cta.592
Publication status	Published - Sept 2010

Keywords

LC circuits
Nonlinear circuit design
Nonlinear oscillators
Oscillators
RC circuits

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10.1002/cta.592

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abstract = "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 μ model parameters and experimental results are shown.",

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AB - 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 μ model parameters and experimental results are shown.

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KW - Oscillators

KW - RC circuits

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

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Keywords

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