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UPC1830GT Datasheet

  • UPC1830GT

  • FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESS...

  • 44頁

  • NEC   NEC

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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
碌
PC1830
FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL
PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
DESCRIPTION
The
碌
PC1830 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
鈥?Contains a trap filter, band-pass filter, delay line, and color difference output low-pass filter.
Peripheral parts can be drastically reduced.
鈥?Low power consumption
Appropriate for use with digital boards because of 5-V single power supply operation.
鈥?DC control for user adjustment pins
Centralized control can be performed by a microcontroller.
鈥?One chip compatible with both NTSC and PAL systems
Boards common to NTSC and PAL systems can be easily constructed.
鈥?S pin input
Supports composite and separate Y/C video signal inputs.
鈥?Demodulation ratio/demodulation angle change (matrix)
Demodulation ratio/demodulation angle can be selected in response to the NTSC or PAL system.
鈥?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
42-pin plastic shrink SOP (375 mil)
碌
PC1830GT
The information in this document is subject to change without notice.
Document No. S11146EJ4V0DS00 (4th edition)
Date Published April 1998 N CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1994

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