A digital display processor with integrated 9 bit triple DAC for enhanced TV applications

A single IC that performs processing and a 9-b digital-to-analog conversion of video component signals is described. It accepts multiple data formats and improves picture quality by luminance peaking, digital chrominance transition improvement, and oversampling techniques. Display format control (4:...

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 1993-06, Vol.39 (3), p.247-254
Main Authors: Pernull, H., Draxelmayr, D., Scheffler, G.
Format: Article
Language:English
Subjects:
Application specific integrated circuits
Applied sciences
Digital filters
Digital integrated circuits
Digital TV
Displays
Electronics
Exact sciences and technology
Integrated circuits
Integrated circuits by function (including memories and processors)
Low-frequency noise
Noise shaping
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Signal processing
Signal to noise ratio
Video compression
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Description
Summary:A single IC that performs processing and a 9-b digital-to-analog conversion of video component signals is described. It accepts multiple data formats and improves picture quality by luminance peaking, digital chrominance transition improvement, and oversampling techniques. Display format control (4:3, 16:9, etc.) is realized by time compression or expansion. This display processor was implemented in a 1 mu m-CMOS technology with two-layer metallization. The chip has an area of 50.17 mm/sup 2/, containing 179397 transistors.< >
ISSN:0098-3063
1558-4127
DOI:10.1109/30.234589