Dynamic gain switching digital to analog converter
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United States of America Patent
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Sep 22, 2015
Grant Date -
Sep 3, 2015
app pub date -
Feb 25, 2015
filing date -
Mar 2, 2014
priority date (Note) -
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Abstract
A digital to analog converter that may include a digital gain block; an analog gain block; a digital to analog conversion (DAC) block and a controller that is configured to: determine a digital gain factor, selected out of multiple digital gain factors, of the digital gain block and an analog gain factor, selected out of multiple analog gain factors of the analog gain block; wherein the DAC block is preceded by the digital gain block and is followed by the analog gain block; wherein the digital gain block is configured to multiply a digital input signal by the digital gain factor to provide an intermediate digital signal; wherein the DAC block is configured to convert the intermediate digital signal to a converted analog signal; and wherein the analog gain block is configured to multiply the converted analog signal by the analog gain factor to provide an output signal; wherein an increment of the analog gain factor results in a decrement of the digital gain factor.
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