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2014•Electronics LettersOpen access

Multi‐band VCO PLL with continuously maintained optimum VCO control voltage

Young‐Seok Park, Daehyun Kwon, K.‐C. Choi, Woo‐Young Choi

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Abstract

A new architecture for a multi‐band voltage‐controlled oscillator (VCO) phase‐locked loop (PLL) is presented, which can continuously maintain the optimum VCO sub‐band and the VCO control voltage even with severe supply voltage variation. A prototype 2 GHz PLL with the new architecture is successfully demonstrated in 0.13 µm CMOS technology.

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What this paper is about

A new architecture for a multi‐band voltage‐controlled oscillator (VCO) phase‐locked loop (PLL) is presented, which can continuously maintain the optimum VCO sub‐band and the VCO control voltage even with severe supply voltage variation. A prototype 2 GHz PLL with the new architecture is successfully demonstrated in 0.13 µm CMOS technology.

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Available abstract

A new architecture for a multi‐band voltage‐controlled oscillator (VCO) phase‐locked loop (PLL) is presented, which can continuously maintain the optimum VCO sub‐band and the VCO control voltage even with severe supply voltage variation. A prototype 2 GHz PLL with the new architecture is successfully demonstrated in 0.13 µm CMOS technology.

Key concepts: Voltage-controlled oscillator, Phase-locked loop, Voltage, Phase noise, Electronic engineering, Electrical engineering, Materials science, Engineering

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