Title :
Closed-loop spurious tone reduction for self-healing frequency synthesizers
Author :
Bohn, Florian ; Dasgupta, Kaushik ; Hajimiri, Ali
Author_Institution :
California Inst. of Technol., Pasadena, CA, USA
Abstract :
On-chip spurious tone detection and correction in an 8-12 GHz CMOS synthesizer is used to automatically reduce spurious output tones at different offset frequencies by up to 20dB. Using synchronous detection, sensitivity is limited by detection time only. The presented methods are generally applicable to frequency synthesizers and phased-locked loops in various applications.
Keywords :
CMOS integrated circuits; frequency synthesizers; microwave integrated circuits; phase locked loops; CMOS synthesizer; closed-loop spurious tone reduction; detection time; frequency 8 GHz to 12 GHz; offset frequencies; on-chip spurious tone correction; on-chip spurious tone detection; phased-locked loops; self-healing frequency synthesizers; spurious output tones; synchronous detection; Detectors; Frequency synthesizers; Phase locked loops; Power harmonic filters; Synthesizers; Voltage control; Voltage-controlled oscillators; VCO reference spur; frequency synthesizer; phase locked loop; sampled loop filter; spur reduction techniques; spurious tone suppression; spurious tones;
Conference_Titel :
Radio Frequency Integrated Circuits Symposium (RFIC), 2011 IEEE
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4244-8293-1
Electronic_ISBN :
1529-2517
DOI :
10.1109/RFIC.2011.5940704
