UPC1830GT NEC, UPC1830GT Datasheet - Page 8

• Manufacturer Part Number: UPC1830GT
• Description: FILTER-CONTAINING VIDEO CHROMA/ SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
• Manufacturer: NEC

8
Pin No.
22
23
24
25
26
27
Clamp pulse
input
R output
G output
B output
Color killer
filter
f
SC
Pin name
VCO output
27
22
500
V
CC
V
26
CC
Equivalent circuit
23
24
25
V
V
10 k
CC
CC
125
2.9 mA
125
50
10 k
10 k
2 mA
20 A
3.3 k
Matrix clamp pulse input pin.
Clamp operation is performed at
2.8 V or more.
Matrix R, G, and B output pins.
DC level is approx. 2.0 V.
Sync. signal component, added to
Y-input (16 pin), appears in R, G,
and B output pins.
Filter connection pin of color killer
sync detector.
f
Connect this pin to pin 28 via a
3.58 MHz oscillation filter and to
pin 29 via a 4.43 MHz oscillation
filter.
SC
VCO oscillator output pin.
Function descriptions
PC1830