Load circuit of amplifier and driver circuit for supporting multiple interface standards
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United States of America Patent
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Nov 28, 2023
Grant Date -
Mar 4, 2021
app pub date -
Oct 22, 2020
filing date -
Feb 1, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A driver circuit includes a first output terminal, a first switch, a second switch, a third switch and a power source. The first output terminal is arranged for outputting a data output. The first switch is selectively coupled between the first output terminal and a power supply node according to a data input. The second switch is selectively coupled between the first output terminal and a first reference node according to the data input. The third switch is selectively coupled between the first reference node and a reference voltage. The power source is configured to selectively provide one of a supply voltage signal and a supply current signal to the power supply node. When the power source is configured to provide the supply voltage signal, the third switch is switched on. When the power source is configured to provide the supply current signal, the third switch is switched off.
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