VOLTAGE-MODE SERDES WITH SELF-CALIBRATION

VOLTAGE-MODE SERDES WITH SELF-CALIBRATION

A voltage-mode transmitter includes a calibration circuit having a replica circuit. By adjusting a feedback voltage driving a gate of a replica transistor in the replica circuit so that an impedance of the replica circuit matches an impedance of a variable resistor, the calibration circuit calibrate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAFIZI MADJID, SHING GEORGE
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PULSE TECHNIQUE
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A voltage-mode transmitter includes a calibration circuit having a replica circuit. By adjusting a feedback voltage driving a gate of a replica transistor in the replica circuit so that an impedance of the replica circuit matches an impedance of a variable resistor, the calibration circuit calibrates an output impedance of a single slice driver. 一种电压模式传输器包括具有副本电路的校准电路。通过调整驱动副本电路中的副本晶体管的栅极的反馈电压，使得副本电路的阻抗与可变电阻器的阻抗相匹配，校准电路校准单部分驱动器的输出阻抗。