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.
24-SOP-300
FUNCTIONS
鈥?/div>
Regulator
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Mixer of R-Y, B-Y
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Modulator
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Pulse generator (ECL circuit)
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Audio buffer
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Clamp circuit
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Y-TRAP filter
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BPF & D.L circuit
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Y/C output driver
ORDERING INFORMATION
Device
Package Operating Temperature
KA2198BD 24-SOP-300
-20擄C~+65擄C
FEATURES
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Lower operating voltage : V
CC
= 5V
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Stabilized bias condition in regulator
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Abailable PAL/NTSC system
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Included 75 ohm driver ( RGB output, composite video output, Y/C output)
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External fsc ( color sub-carrier)
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Include BPF & delay line
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Audio buffer circuit
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R-Y, B-Y modulator
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Available S-VHS
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High frequency response of luminance
BLOCK DIAGRAM
24
22
22
21
20
19
18
Y/C
MIXER
17
16
Y OUT
15
C OUT
14
13
Vref
R
, G
, B
O
U
T
P
U
T
VIDEO
OUTPUT
D.L
BPF
SYNC. ADDER
MATRIX
R-Y MODULATOR
C
A
M
P
B-Y MODULATOR
PHASE
CONTROL
R,G,B CLAMP
A
B
U
U
D
F
F
I O
E
R
SYNC. IN
1
2
3
4
5
6
7
8
9
10
11
12
KA2198BD相關(guān)型號PDF文件下載
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