SAA4978 Philips, SAA4978 Datasheet - Page 3

• Manufacturer Part Number: SAA4978
• Description: Picture Improved Combined Network PICNIC
• Manufacturer: Philips

(R-Y)IN
(B-Y)IN
HREF
YIN
23
22
21
6
CLAMP
CLAMP
CLAMP
HORIZONTAL
SEPARATION
54 MHz
PLL
LOW-PASS FILTER
LOW-PASS FILTER
LOW-PASS FILTER
5 MHz
5 MHz
5 MHz
TEST
12
CONTROLLER
CTRL1
V CCA
9
CTRL2
20
10
CTRL3
11
C1
C2
C3
V EEA
SC LINE MEMORY
SC LINE MEMORY
SC LINE MEMORY
SC LINE MEMORY
SC LINE MEMORY
SC LINE MEMORY
19
Fig.1 Block diagram.
3
V CCD
8
C LMY
1
C LMBY
CLAMP REFERENCE
MEMORIES
MEMORIES
MEMORIES
SC LINE
SC LINE
SC LINE
MUX
MUX
MUX
2
V EED
C LMRY
7
3
BGREF
24
LOW-PASS FILTER
LOW-PASS FILTER
LOW-PASS FILTER
CLAOUT
SAA4981
SUB
6.7 MHz
6.7 MHz
6.7 MHz
5
4
YSIDE
3
15
C1
C1
C1
BYSIDE
MUX BY
MUX RY
14
C2
C2
C2
MUX Y
RYSIDE
C3
C3
C3
13
18
17
16
MHA277
YOUT
(B-Y)OUT
(R-Y)OUT