Design of low phase noise LC VCO for UHF RFID reader

Zhou, Yunfang; Cheng, Zhiqun; Fu, Kaihong; Li, Jin; Zhou, Xiaopeng

doi:10.1109/apcc.2009.5375605

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“…Phase Locked Loop (PLL) which is used for frequency multiplier, divider and FM detector, has an unavoidable component, VCO [1][2][3]. Moreover, frequency jammer, function generator, analog to digital converter, RFID has an inevitable element, which is voltage controlled oscillator [4][5][6][7][8][9][10]. VCO can be implemented in two major ways: LC VCO and Ring VCO [11].…”

Section: Introductionmentioning

confidence: 99%

A low power wideband varactorless VCO using tunable active inductor

Faruqe

Akhter²,

Amin³

2020

TELKOMNIKA

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This paper presents a wideband varactorless voltage controlled oscillator (VCO) based on tunable active inductor in 90 nm CMOS process which yields a tuning range of 1.22 GHz to 3.7 GHz having a tuning scope of 100.5%. The designed VCO can be used for wideband wireless applications. The proposed VCO consumes a very low power (1.05~2.5) mW with the change of tuning voltages (0.3~0.9) V and provides a differential output power of (1.

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