Circuitry and method for digital to analog current signal conversion with phase interpolation
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United States of America Patent
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Apr 9, 2013
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Jan 24, 2013
app pub date -
Jul 21, 2011
filing date -
Jul 21, 2011
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Abstract
Circuitry and method for digital-to-analog current signal conversion with phase interpolation. For an n-bit digital-to-analog converter (DAC), the number 2n control bits normally required can be reduced to 2(n-1) by jointly controlling pairs of the current sources with one of the 2(n-1) current control bits and inverses of two other ones of the 2(n-1) current control bits.
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