High accuracy digital-to-analog converter combining data...

Details High accuracy digital-to-analog converter combining data... High accuracy digital-to-analog converter combining data...

H - Electricity

03

M

H03M 1/66 (2006.01) H03M 1/68 (2006.01) H03M 1/06 (2006.01) H03M 1/74 (2006.01)

Patent

CA 2242508

A method of digital to analog conversion comprising switching binary weighted groups of first current sources of a first array of sources to an output in accordance with least significant bits of a digital input signal, driving the binary weighted groups with a driving current source selected from a second group of current sources in accordance with a counter value which is based on a value of most significant bits of the input signal added to a immediately preceding counter value, and driving an output with current sources which are addressable consecutively to the driving current source.

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