A Grounded-Resistor Current Conveyor-Based Active-R Multiphase Sinusoidal Oscillator

Authors:
Muhammad Taher Abuelma’atti;Muhammad Ali Al-Qahtani
Affiliations:
King Fahd University of Petroleum and Minerals Box 203 Dhahran 31261 Saudi Arabia;King Fahd University of Petroleum and Minerals Box 203 Dhahran 31261 Saudi Arabia
Venue:
Analog Integrated Circuits and Signal Processing
Year:
1998

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Abstract

A multiphase active-R sinusoidal oscillator circuit is presented.The oscillator can produce M signals (M being even or odd) equally spaced inphase. The circuit has low component count, uses grounded resistors andenjoys low active and passive sensitivities. The feasibility of convertingthe circuit into a voltage controlled multiphase oscillator is studied.Simulation results are included.