Filter
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52
Fig. 6-7 QY03 TC9092AF internal block diagram
CLAMP
MPX
AD
AD
Sub screen
video input
FILTER FACTOR OPERATION/
GENERATION (KGEN)
HORIZONTAL
INTERPORATION
FILTER (HFB)
HORIZONTAL
FOLD SIGNAL
ELIMINATING
FILTER (HFA)
VERTICAL FOLDED
ELIMINATION
INTERPORATION FILTER
(1H MEMORY (12BIT)) (V)
YC DELAY
ADJUSTMENT
BETWEEN Y/C
(DAJA)
CLOCK
GENERATION
(SUB)
CLOCK GENERATION
(MAIN)
PROGRAM DATA MEMORY
(16k BIT + 3k BIT)
CU
(CONTROL UNIT)
I
2
C
INTERFACE
I
2
C
DATA
REARRANGE
MENT
(W)
PICTURE
MEMORY
(2M BIT)
SUB SAMPLE PIT FILLING (C)
DELAY ADJUSTMENT (DAJB)
TELTEXT DETECTION (J)
1H MEMORY (11BIT)
FRAME SIGNAL
GENERATION
(WAKU)
FRAME
SIGNAL
MULTIPLEX
SW
DA
Y
LC
LC
H, V (Sub)
H, V (Main)
Ys
Y
R-Y
B-Y
R-Y
B-Y
DATA
REARRANGE
MENT
(R)