UPC1830 Datasheet PDF - NEC
| Part Number | UPC1830 | |
| Description | FILTER-CONTAINING VIDEO CHROMA/ SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM | |
| Manufacturers | NEC | |
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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
µPC1830GT
Package
42-pin plastic shrink SOP (375 mil)
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.
©
1994
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4. PIN EQUIVALENT CIRCUIT DIAGRAMS
Pin No.
Pin name
1 32 fH VCO filter
2
Equivalent circuit
VCC
31
VCC
2
2.2 kΩ
3.3 kΩ
2.2 kΩ
µPC1830
Function descriptions
Pins for connecting a 32 fH
oscillation filter.
For resonator, use 500 kHz
ceramic resonator in both NTSC
and PAL modes. Bias of pin 1 is
supplied from pin 2 via an external
resistor between pins 1 and 2.
VCC
3
1 mA
4 Horizontal AFC
filter
5 GND
(synchronous
section)
300 Ω
VCC
30 kΩ
3 kΩ
4
Pin for connecting filter of horizon-
tal AFC detector.
Synchronous section ground.
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPC1830 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ UPC1830.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| UPC1830 | The function is FILTER-CONTAINING VIDEO CHROMA/ SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM. NEC | |
| UPC1830GT | The function is FILTER-CONTAINING VIDEO CHROMA/ SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM. NEC | |
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