A 1.8-GHz Spur-Cancelled Fractional-N Frequency Synthesizer With LMS-Based DAC Gain Calibration - Gupta, M.; Bang-Sup Song (IEEE journal of solid-state circuits, 2006)
Keywords: Applied sciences; Bandwidth; Calibration; Charge pumps; Circuit properties; Circuits of signal characteristics conditioning (including delay circuits); Clocks; Consumption; Correlation; Delta-sigma modulation; Digital-analog conversion; Electric, optical and optoelectronic circuits; Electronic circuits; Electronics; Exact sciences and technology; fractional- N frequency synthesizers; Frequency synthesizers; Gain; Integrated circuits; Integrated circuits by function (including memories and processors); Least squares approximation; Noise; Oscillators, resonators, synthetizers; Phase locked loops; Phase noise; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices; Signal convertors; Signal to noise ratio; spur cancellation; Synthesizers; Wideband; Phase noise; Performance evaluation; fractional-N frequency synthesizers; Second order; Arithmetic circuit; Noise reduction; Delta-sigma modulation; DA converter; Clock; Algorithm; N order; Frequency synthesizer; Phase locked loop; Sigma-delta modulation; AD converter; Complementary MOS technology; spur cancellation; Integrated circuit; Correlation function; Charge pumping; phase-locked loops; Divider; Gain; Least mean squares methods