Headphone driver, a sound system that incorporates the headphone driver and a computing system that incorporates the headphone driver
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Oct 24, 2016
filing date -
Jan 8, 2016
priority date (Note) -
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Abstract
A headphone driver, a sound processor that incorporates the headphone driver and a computing system that incorporates the headphone driver, wherein the headphone driver includes an amplifier having an input terminal and an output terminal, an R-2R ladder network provided with an input signal and connected to the input terminal of the amplifier, and a feedback resistor group connected to the input terminal and to the output terminal of the amplifier. The R-2R ladder network includes a plurality of resistor branches and a first attenuator that is connected between the plurality of resistor branches.
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