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https://open.uns.ac.rs/handle/123456789/10164
Nаziv: | Performance comparison of standard and voltage controlled ring oscillator for UWB-IR pulse generator in 0.35μm and 0.18μm CMOS technologies | Аutоri: | Vučković, Biljana Radic J. Damnjanović, Mirjana Videnovic-Misic M. |
Dаtum izdаvаnjа: | 26-окт-2011 | Čаsоpis: | SISY 2011 - 9th International Symposium on Intelligent Systems and Informatics, Proceedings | Sažetak: | A CMOS standard ring oscillators with 5 and 7 stages are examined in 0.35μm and 0.18μm technologies. For optimum number of ring oscillator stages (N = 5) the operating frequencies of 1.62 GHz and 3.07 GHz are obtained in 0.35μm and 0.18μm technologies, respectively. The 5-stage ring oscillator topology is further investigated while changing power supply and temperature. Their influence on oscillating frequency can be compensated by introducing additional voltage controlled cascade PMOS or/and NMOS transistors in one inverter stage. As ring oscillator is a part of UWB-IR (Ultra Wide Band Impulse Radio) pulse generator, its oscillating frequency determines the central frequency of the pulse spectrum and influence significantly spectrum fitting within UWB FCC mask. © 2011 IEEE. | URI: | https://open.uns.ac.rs/handle/123456789/10164 | ISBN: | 9781457719745 | DOI: | 10.1109/SISY.2011.6034346 |
Nаlаzi sе u kоlеkciјаmа: | FTN Publikacije/Publications |
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