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UPC1830 Datasheet(PDF) 5 Page - NEC

Part # UPC1830
Description  FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
PDF  44 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1830 Datasheet(HTML) 5 Page - NEC

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µPC1830
5
4. PIN EQUIVALENT CIRCUIT DIAGRAMS
Pin No.
Pin name
Equivalent circuit
1
32 fH VCO filter
2
3
4
Horizontal AFC
filter
5
GND
(synchronous
section)
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.
Pin for connecting filter of horizon-
tal AFC detector.
Synchronous section ground.
1
VCC
2
VCC
2.2 k
Ω
3.3 k
Ω
2.2 k
Ω
3
VCC
1 mA
30 k
Ω
4
3 k
Ω
300
Ω
VCC



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