ANALYSIS AND DESIGN OF THREE STAGE CMOS RING VOLTAGE CONTROLLED OSCILLATOR

RUHEE RUHEE, SHIV PRAKASH PALHEWAR

Abstract


This paper focuses on and analysis and design of three stage voltage controlled ring oscillator. The analysis includes effect of phase noise, delay time, layout area, technology etc. on the frequency changes of oscillation at different control voltages and power supplies. Higher tuning range and low power consumption suitable for various application domains shown in simulation results. Added benefit of this VCO is to maintain a constant amplitude level and oscillation.


Keywords


VCO, RING VCO, DELAY CELL, INVERTER, DELAY, PHASE NOISE, CURRENT STARVED RING VCO.

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References


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