Abstract: This paper is about performance comparison of Current Starved VCO and Source Coupled VCO for Phase Lock Loop. The comparison is based on 180nm CMOS technology and based on different measuring parameter. The design is being built on Tanner environment tool with a high oscillation frequency, low power consumption, and low area. Simulation results are illustrated that area and power consumption in Current Starved VCO verses Source Coupled VCO with wide frequency range. This design procedure is very efficient for Phase Lock Loop.
Key words: Voltage Control Oscillator (VCO), Current Starved VCO, Source Coupled VCO, Phase Look Loop, CMOS, Area (W/L ratio), Power
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