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|Title:||Wideband varactorless LC VCO using a tunable negative-inductance cell|
voltage-controlled oscillator (VCO)
|Source:||Chen, Y.,Mouthaan, K. (2010). Wideband varactorless LC VCO using a tunable negative-inductance cell. IEEE Transactions on Circuits and Systems I: Regular Papers 57 (10) : 2609-2617. ScholarBank@NUS Repository. https://doi.org/10.1109/TCSI.2010.2046967|
|Abstract:||A wideband LC voltage-controlled oscillator (VCO) design with a new varactorless frequency-tuning technique is presented. The wideband continuous frequency tuning is achieved using a tunable negative-inductance cell. Fabricated in a 0.35-μm SiGe BiCMOS process, the varactorless VCO achieves a continuous tuning range of 24.5%. An overall tuning range of 31% from 3.8 to 5.2 GHz is achieved when the continuous tuning is combined with a 2-bit switched capacitor array. The measured phase noise is -109.8 and -109.5 dBc/Hz at 1-MHz offset from a 3.8- and a 5.2-GHz carrier frequency. The proposed VCO has demonstrated performance that is better than other wideband varactorless VCOs in the literature. © 2010 IEEE.|
|Source Title:||IEEE Transactions on Circuits and Systems I: Regular Papers|
|Appears in Collections:||Staff Publications|
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