Title :
A 0.65V 2.5GHz Fractional-N Frequency Synthesizer in 90nm CMOS
Author :
Yu, Shih-An ; Kinget, Peter
Author_Institution :
Columbia Univ., New York, NY
Abstract :
A 2.5GHz fractional-N synthesizer is realized in a digital 90nm CMOS technology. The RF dividers operate at 0.65V while the remainder of the PLL operates at 0.5V; no special devices or voltage boosting is used to achieve the 0.5V operation. The synthesizable range covers 2.4 to 2.6GHz with a phase noise of -55dBc/Hz in band and -120dBc/Hz at a 3MHz offset. The synthesizer dissipates 7mW and occupies 0.14mm2.
Keywords :
CMOS integrated circuits; UHF integrated circuits; frequency dividers; frequency synthesizers; phase locked loops; 0.65 V; 2.4 to 2.6 GHz; 7 mW; 90 nm; CMOS technology; RF dividers; UHF integrated circuits; fractional-N frequency synthesizer; phase locked loops; voltage boosting; Charge pumps; Clocks; Crosstalk; Frequency synthesizers; Phase frequency detector; Switches; Topology; Tuning; Voltage; Voltage-controlled oscillators;
Conference_Titel :
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-4244-0853-9
Electronic_ISBN :
0193-6530
DOI :
10.1109/ISSCC.2007.373415
