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UPC1830 Datasheet(PDF) 1 Page - NEC |
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UPC1830 Datasheet(HTML) 1 Page - NEC |
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1 / 44 page  © 1994 DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC1830 FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM DESCRIPTION The µPC1830 is a filter-containing video chroma, synchronizing signal processing LSI compatible with the NTSC/ PAL system. A decoder which converts composite video or separate Y/C video signals into a brightness signal and a color difference signal and outputs the result, and a matrix which comprises independent brightness signal/color difference signal input pins are integrated on one chip. Decoder output can be used to drive an A/D converter; it is appropriate for picture-in-picture screen signal processing and multimedia boards. FEATURES • Contains a trap filter, band-pass filter, delay line, and color difference output low-pass filter. Peripheral parts can be drastically reduced. • Low power consumption Appropriate for use with digital boards because of 5-V single power supply operation. • DC control for user adjustment pins Centralized control can be performed by a microcontroller. • One chip compatible with both NTSC and PAL systems Boards common to NTSC and PAL systems can be easily constructed. • S pin input Supports composite and separate Y/C video signal inputs. • Demodulation ratio/demodulation angle change (matrix) Demodulation ratio/demodulation angle can be selected in response to the NTSC or PAL system. • Contains color difference tint control Fine adjustment of the demodulation axis can be made for both the NTSC and PAL systems. ORDERING INFORMATION Part Number Package µPC1830GT 42-pin plastic shrink SOP (375 mil) The information in this document is subject to change without notice. The mark shows major revised points. Document No. S11146EJ4V0DS00 (4th edition) Date Published April 1998 N CP(K) Printed in Japan |
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