This paper reports on a voltage controlled ring oscillator fabricated in a 130nm CMOS technology. The oscillator was obtained cascading three delay cells. The schematic of the single delay cell was kept as simple as possible by avoiding the use of cross-coupled pairs. The achieved low phase noise makes the presented ring VCO useful for the design of a correlation radar to be used in medicine for short distance vital signal detection.
Low phase noise 130nm CMOS ring VCO / Lucchi, Paolo; Borgarino, Mattia; J. B., Begueret; G., Jacquemod. - STAMPA. - (2011), pp. 89-92. ( 2011 IEEE 9th International New Circuits and Systems Conference, NEWCAS 2011 Bordeaux (France) 12 agosto 2011) [10.1109/NEWCAS.2011.5981226].
Low phase noise 130nm CMOS ring VCO
LUCCHI, PAOLO;BORGARINO, Mattia;
2011
Abstract
This paper reports on a voltage controlled ring oscillator fabricated in a 130nm CMOS technology. The oscillator was obtained cascading three delay cells. The schematic of the single delay cell was kept as simple as possible by avoiding the use of cross-coupled pairs. The achieved low phase noise makes the presented ring VCO useful for the design of a correlation radar to be used in medicine for short distance vital signal detection.
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