CA3194 Intersil, CA3194 Datasheet - Page 5

• Manufacturer Part Number: CA3194
• Description: Single Chip PAL Luminance/Chroma Processor
• Manufacturer: Intersil

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Typical Performance Curves
FIGURE 1. BRIGHTNESS CONTROL (V
FIGURE 3. CONTRAST CONTROL (V
FIGURE 5. LINEAR OPERATING RANGE AS A FUNCTION OF
11
10
9
8
7
6
5
4
3
18
16
14
12
10
8
6
4
2
0
4
3
2
1
0
11
0
V
V
PIN 20 : 0.5V
V
V
LINEAR V16
PIN 4: BURST = 100mV
CHROMA = 220mV
C
CC
S
B
V
V
PIN 20 : 0.5V
BLACK LEVEL = 7V
= V
S
CC
= 2.85V
AND V
18 OUTPUT TERMINAL
OUTPUT TERMINAL
V
(BEST OPERATING RANGE IS 11-13V V
= 12V
= 2.85V
CC
S
= 12V
= 2.85V
PIN 23 - BRIGHTNESS CONTROL (V
1
MEASURED AT PIN 16 OUTPUT TERMINAL
12
C
1
ADJUSTED FOR MAX
P-P
PIN 22 - CONTRAST CONTROL (V
PIN 12 - SUPPLY VOLTAGE (V)
P-P
(30% SYNC)
(30% SYNC)
P-P
2
13
2
P-P
C
) MEASURED AT PIN 18
14
3
B
3
) MEASURED AT PIN
BOTTOM CLIPPING
BLACK LEVEL
TOP CLIPPING
B
, V)
15
4
4
C
, V)
CC
)
CA3194
16
5
5
7-60
FIGURE 2. CONTRAST CONTROL (V
FIGURE 6. LUMA/CHROMA TRACKING AS A FUNCTION OF V
FIGURE 4. LUMA GAIN vs SUPPLY VOLTAGE (V
-10
-20
4
3
2
1
0
32
28
24
20
16
12
20
10
8
4
0
0
0
0
7
V
V
PIN 4 : BURST = 100mV
CHROMA = 220mV
V
V
V
S
CC
C
18
B
= 2.85V
= 12V
CHROMA AMPLIFIER OUTPUT TERMINAL
= V
SET TO BLACK LEVEL = 7V
AT LUMA AMPLIFIER OUTPUT TERMINAL
MEASURED AT PIN 18 OUTPUT TERMINAL
8
= 2V
PIN 22 - COLOR CONTRAST CONTROL (V
S
= 2.85V
P-P
1
9
1
AT V
PIN 22 - CONTRAST CONTROL (V
PIN 12 - SUPPLY VOLTAGE (V)
10
CHROMA INPUT: BURST = 100mV
CHROMA = 220mV
LUMA INPUT: 0.5V
ADJUST V
THEN ADJUST V
CHROMA (RED BAR)
CC
P-P
= 12V
2
11
2
P-P
12
C
FOR V
C
13
S
) MEASURED AT 2ND
3
3
P-P
FOR V
P-P
18
= V
(30% SYNC)
14
PEAK
18
CC
= 2V
15
) MEASURED
C
4
LUMA,
4
, V)
C
PEAK
, V)
P-P
16
17
5
5
C
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