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KA2198BD Datasheet, PDF (1/6 Pages) Samsung semiconductor – RGB ENCODER FOR PAL/NTSC | |||
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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.
24-SOP-300
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
ORDERING INFORMATION
Device Package Operating Temperature
KA2198BD 24-SOP-300
-20°C~+65°C
FEATURES
⢠Lower operating voltage : VCC = 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
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R ,G ,B
OUTPUT
VIDEO
OUTPUT
Y/C
MIXER
MATRIX
SYNC. ADDER
R-Y MODULATOR
B-Y MODULATOR
Y OUT C OUT
Vref
D.L
BPF
C
AM P
R,G,B CLAMP
PHASE
CONTROL
A U D IO
BUFFER
SYNC. IN
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