Title :
Phase Noise reduction in Quadrature LC oscillators using inverter-based tail noise shaping
Author :
Mukherjee, Jayanta ; Shojaei-Baghini, Maryam ; Johnson, Manoj
Author_Institution :
Electr. Eng. Dept., Indian Inst. of Technol., Mumbai, India
fDate :
June 28 2009-July 1 2009
Abstract :
A technique to reduce the Phase Noise of a Quadrature Differential Oscillator is described. The technique uses inverters to shape the tail noise of differential oscillators. In this approach an inverter is used to increase the ldquosquarenessrdquo of the switching signal from the differential output and thereby improve the switching speed. Simulations are done to obtain the results to verify the new technique. The simulation tool used is Eldo RF in Mentor Graphics and the technology used is UMC 0.18 um process.
Keywords :
CMOS analogue integrated circuits; circuit noise; invertors; oscillators; phase noise; CMOS technology; Mentor Graphics; differential output; inverters; phase noise reduction; quadrature LC oscillators; quadrature differential oscillator; size 0.18 mum; tail noise shaping; 1f noise; Circuit topology; Inverters; MOSFET circuits; Noise shaping; Oscillators; Phase noise; Switching circuits; Tail; Voltage;
Conference_Titel :
Circuits and Systems and TAISA Conference, 2009. NEWCAS-TAISA '09. Joint IEEE North-East Workshop on
Conference_Location :
Toulouse
Print_ISBN :
978-1-4244-4573-8
Electronic_ISBN :
978-1-4244-4574-5
DOI :
10.1109/NEWCAS.2009.5290467
