Design of Low Power, High Speed Differential Amplifier Ring Voltage Controlled Oscillator in CMOS Technology

Provided by: International Journal of Innovative Technology and Exploring Engineering (IJITEE) Topic: Hardware Date Added: May 2014 Format: PDF
Designing a compact, power efficient Voltage-Controlled Oscillator (VCO) for high frequency Phase Lock Loop (PLL) in modern wireless communication system is decisively a challenging task. Voltage-controlled ring oscillator is crucial component in many wireless communication systems. VCRO is used in PLL circuit, to generate the oscillations and increase the speed of whole system. In this paper, a low power and high speed VCRO is implemented using 250nm CMOS technology provided by generic with 2.5volt power supply.

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