Signal processing system with digital-to-analog conversion

Details Signal processing system with digital-to-analog conversion Signal processing system with digital-to-analog conversion

H - Electricity

04

N

350/83

H04N 5/57 (2006.01) H03M 1/00 (2006.01) H04N 9/64 (2006.01)

Patent

CA 1233560

ABSTRACT In a digital video signal processing system including an image displaying kinescope, a digital-to-analog signal converter (DAC) comprises a VMOS transistor arrangement with a gate electrode, a drain electrode from which output analog signals are provided, and plural source areas with associated source electrodes which receive input digital signals. The source areas are binarily scaled to reduce effective output capacitance and power consumption. The DAC is also suitable for directly driving a high level cathode electrode of the kinescope.

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