Title :
An 18mW 90 to 770MHz synthesizer with agile auto-tuning for digital TV-tuners
Author :
Marutani, M. ; Anbutsu, H. ; Kondo, Makoto ; Shirai, Nobuyuki ; Yamazaki, Hiroshi ; Watanabe, Yoshihiro
Author_Institution :
Fujitsu, Kawasaki
Abstract :
An 18mW 90-to-770MHz I/Q synthesizer is fabricated in a 1.2V 0.11mum CMOS process. The architecture is optimized to achieve low power and wide tuning range. A divide-by-3.5 7b VCO with an agile auto-tuning block is included. Phase noise is < -100dBc/Hz at 100kHz offset
Keywords :
CMOS integrated circuits; UHF integrated circuits; circuit tuning; digital television; frequency synthesizers; low-power electronics; phase noise; voltage-controlled oscillators; 0.11 micron; 1.2 V; 18 mW; 7 bit; 90 to 770 MHz; CMOS process; VCO; agile auto-tuning; digital TV-tuners; phase noise; synthesizers; Circuits; Clocks; Communication standards; Data communication; Digital multimedia broadcasting; Frequency; Inductors; Multiplexing; Synthesizers; Voltage-controlled oscillators;
Conference_Titel :
Solid-State Circuits Conference, 2006. ISSCC 2006. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-4244-0079-1
DOI :
10.1109/ISSCC.2006.1696107