A mixed analog/digital video signal processing LSI with on-chip AD and DA converters

Abstract
A special-purpose video signal processing (picture-in-picture processing) CMOS LSI with a 4-K gate digital section and on-chip video analog-to-digital and digital-to-analog converters has been realized. This mixed analog/digital system-on-chip VLSI (5.98 mm×6.86 mm) is designed using mixed-mode simulation and testing architecture and a noise suppression scheme, and is fabricated in a 2-μm CMOS process. The mixed analog/digital integration is a very attractive LSI feature for video system applications and satisfies future needs of system-on-chip VLSIs

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