Abstract:A low-jitter and large-EMI-reduction spread spectrum clock generator (SSCG) for Serial-ATA (SATA) was developed. A low-jitter voltage-controlled oscillator (VCO) with a high-frequency limiter was developed to prevent the SSCG from malfunctioning. This VCO achieved far less jitter than that of a conventional VCO. An autocalibration technique suitable for this VCO was developed to prevent the SSCG from degrading performance because of process variations. A SATA PHY using a technique for calibrating the SSCG was … Show more
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