HYBRID TRANSMITTER WITH CALIBRATION

A transmitter includes a pull-down circuit coupled between an output of the transmitter and a first rail, a first pull-up circuit coupled between a second rail and the output of the transmitter, and a second pull-up circuit coupled between the second rail and the output of the transmitter. The trans...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SETHURAM, Ashwin, LEE, Changkyo
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A transmitter includes a pull-down circuit coupled between an output of the transmitter and a first rail, a first pull-up circuit coupled between a second rail and the output of the transmitter, and a second pull-up circuit coupled between the second rail and the output of the transmitter. The transmitter also includes a control circuit coupled to a control input of the first pull-up circuit and a control input of the second pull-up circuit. The control circuit is configured to output a first control signal to the control input of the first pull-up circuit, wherein the first control signal controls a drive strength of the first pull-up circuit. The control circuit is also configured to output a second control signal to the control input of the second pull-up circuit, wherein the second control signal controls a drive strength of the second pull-up circuit.