Title :
Multi-decade carrier generation for cognitive radios
Author_Institution :
Electrical Engineering Department, University of California, Los Angeles, 90095, USA
Abstract :
A bimodal quadrature oscillator and three divider chains produce carrier frequencies in the range of 1 GHz to 10 GHz in quadarature form and can also be used to cover lower decades. Fabricated in 90-nm CMOS technology, a prototype consumes 31 mW and exhibits a phase noise of −120 dBc/Hz at 1.75 GHz and −93 dBc/Hz at 8.75 GHz at 1-MHz offset.
Keywords :
Amplitude modulation; CMOS technology; Circuits; Cognitive radio; Frequency; Mutual coupling; Oscillators; Phase noise; Prototypes; Tuning;
Conference_Titel :
VLSI Circuits, 2009 Symposium on
Conference_Location :
Kyoto, Japan
Print_ISBN :
978-1-4244-3307-0
Electronic_ISBN :
978-4-86348-001-8
