Title :
Supply noise insensitive ring VCO with on-chip adaptive bias-current and voltage-swing control
Author :
Park, Young-Seok ; Choi, Woo-Young
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
This paper demonstrates a CMOS Ring Voltage Controlled Oscillator (RVCO) whose oscillation frequency is insensitive to supply noise. Our RVCO achieves this with on- chip adaptive bias-current and voltage-swing control. A prototype RVCO is fabricated with 0.13um CMOS technology and it achieves static supply voltage sensitivity of 0.013%-fvco/1%-Vdd and dynamic sensitivity of 0.08%-fvco/1%-Vdd.
Keywords :
CMOS integrated circuits; circuit oscillations; integrated circuit noise; power supply circuits; voltage-controlled oscillators; CMOS ring voltage controlled oscillator; CMOS technology; dynamic sensitivity; on-chip adaptive bias-current; oscillation frequency; prototype RVCO; size 0.13 mum; static supply voltage sensitivity; supply noise insensitive ring VCO; voltage-swing control; Generators; Noise; Oscillators; Phase locked loops; Sensitivity; Simulation; Voltage control;
Conference_Titel :
Circuits and Systems (ISCAS), 2011 IEEE International Symposium on
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4244-9473-6
Electronic_ISBN :
0271-4302
DOI :
10.1109/ISCAS.2011.5937543
