Hybrid driver circuit
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United States of America Patent
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Jan 24, 2017
Issued Date -
N/A
app pub date -
Dec 9, 2014
filing date -
Dec 9, 2014
priority date (Note) -
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Abstract
In one embodiment, a voltage mode driver circuit includes a first voltage adjusting circuit configured to provide an adjustable first pseudo-supply voltage to a first node based on a first supply voltage, including generating the first pseudo-supply voltage based on a first reference voltage and feedback from the first node. In this embodiment, the voltage mode driver circuit includes switching circuitry configured to selectively couple one of the first node or a second node to a first differential output terminal and a different one of the first node or the second node to a second differential output terminal based on a data signal. In this embodiment, the voltage mode driver circuit includes a current mode emphasis driver configured to selectively couple one of the first differential output terminal or the second differential output terminal to a first set of one or more current supplies and a different one of the first differential output terminal or second differential output terminal to a second set of one or more current supplies, based on one or more emphasis signals.
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