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KA2198BD Datasheet(PDF) 1 Page - Samsung semiconductor

Part No. KA2198BD
Description  RGB ENCODER FOR PAL/NTSC
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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KA2198BD
RGB ENCODER FOR PAL/NTSC
RGB ENCODER FOR PAL/NTSC
The KA2198BD is a monolithic circuit designed for RGB
encoder of video system. This device provides encoding
system of PAL and NTSC video signal. The KA2198BD
contains matrix of R-Y/B-Y, modulator, pulse generator,
regulator, built in BPF of chroma and delay line of lumin-
ance, Y/C output using S-VHS system. It is suitable for
video equipment.
FUNCTIONS
• Regulator
• Mixer of R-Y, B-Y
• Modulator
• Pulse generator (ECL circuit)
• Audio buffer
• Clamp circuit
• Y-TRAP filter
• BPF & D.L circuit
• Y/C output driver
FEATURES
• Lower operating voltage : V
CC = 5V
• Stabilized bias condition in regulator
• Abailable PAL/NTSC system
• Included 75 ohm driver ( RGB output, composite video output, Y/C output)
• External fsc ( color sub-carrier)
• Include BPF & delay line
• Audio buffer circuit
• R-Y, B-Y modulator
• Available S-VHS
• High frequency response of luminance
BLOCK DIAGRAM
24-SOP-300
Device
Package
Operating Temperature
KA2198BD 24-SOP-300
-20
°C~+65°C
ORDERING INFORMATION
Y OUT
D.L
BPF
PHASE
CONTROL
MATRIX
AUD
I O
BUFFER
1
2
3
4
5
6
7
8
9
10
11
12
SYNC. IN
SYNC. ADDER
R-Y MODULATOR
B-Y MODULATOR
C
A
M
P
R
, G
, B
OUTPUT
24
22
22
21
20
19
18
17
16
15
14
13
VIDEO
OUTPUT
Y/C
MIXER
C OUT
Vref
R,G,B CLAMP




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