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UPC1830 Datasheet(PDF) 9 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) 9 Page - NEC

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µPC1830
9
28
fSC VCO input
(3.58 MHz)
29
fSC VCO input
(4.43 MHz)
30
Chroma APC
filter
fSC VCO input pins. Connect a
3.58 MHz oscillation filter between
pins 27 and 28 and a 4.43 MHz
oscillation filter between pins 27
and 29. Switch of pin 28 input and
pin 29 input is suppressed in
response to pin 41 (fSC switch)
voltage.
Pin for connecting filter of chroma
APC detector.
Pin No.
Pin name
Equivalent circuit
Function descriptions
28
VCC
5 k
Ω
29
VCC
VCC
5 k
Ω
10 k
Ω
20 k
Ω
20 k
Ω
10 k
Ω
5 k
Ω
5 k
Ω
80 A
60/0 A
0/60 A
µ
µ
µ
30
VCC
VCC
500
Ω
5 k
Ω
50 k
Ω



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