Digital-to-analog converter with reduced output capacitance

Details Digital-to-analog converter with reduced output capacitance Digital-to-analog converter with reduced output capacitance

1984-08-27

1986-07-29

Roskoski, Bernard

Communications: electrical

Audible indication

Percussion-type sound producer

H03M 100

Patent

active

046033190

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.

REFERENCES:
patent: 4020486 (1977-04-01), Pastoriza
Selected pages from a technical bulletin of the Semiconductor Division of ITT Corporation, titled "DIGIT 2000 VLSI Digital TV System".

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