Title :
A simplified method for phase noise calculation
Author :
Tohidian, Massoud ; Ahmady, Ali Fotowat ; Kamarei, Mahmoud
Author_Institution :
Univ. of Tehran, Tehran, Iran
Abstract :
A new phase noise calculation method is proposed in which noise sources are modeled with single tone sources. It uses a nonlinear frequency-domain analysis to calculate total gain from noise sources to the output phase noise. This single tone (ST) simulation directly calculates noise frequency contributions and is much faster than Hajimiri´s impulse sensitivity function (ISF) method. A quadrature VCO has been implemented in TSMC 0.18-mum CMOS and the predicted phase noise matches measurement.
Keywords :
CMOS integrated circuits; frequency-domain analysis; integrated circuit noise; phase noise; voltage-controlled oscillators; TSMC CMOS process; nonlinear frequency-domain analysis; phase noise calculation method; quadrature VCO; single tone source simulation; size 0.18 mum; Additive noise; Circuit noise; Circuit simulation; Equations; Frequency domain analysis; Noise shaping; Nonlinear systems; Oscillators; Phase noise; Predictive models;
Conference_Titel :
Custom Integrated Circuits Conference, 2009. CICC '09. IEEE
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4244-4071-9
Electronic_ISBN :
978-1-4244-4073-3
DOI :
10.1109/CICC.2009.5280762
