ca3217 Intersil Corporation, ca3217 Datasheet - Page 8

• Manufacturer Part Number: ca3217
• Description: Single Chip Tv Chroma/luminance Processor
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 4. TYPICAL BEAM LIMITER vs CONTRAST AND
FIGURE 6. TYPICAL P
1200
1000
12
10
800
600
400
200
8
6
4
2
0
T
HUE = 6.3V, SATURATION = 6.3V
A
= +25
BRIGHTNESS
CONTROL
9
2
o
C, LUMA = 0.5V
4
PIN 28 BEAM LIMITER (V)
T
SATURATION = 6.3V, BRIGHTNESS = 4V
BEAM LIMITER = 11.8V
1
CONTRAST CONTROL (V)
A
CHROMA OUTPUT vs CONTRAST
= +25
10
6
o
P-P
C, CHROMA INPUT = 250mV
(30% SYNC)
8
BRIGHTNESS PIN 24
CONTRAST PIN 26
11
10
(Continued)
12
12
14
P-P
CA3217
7-72
FIGURE 5. TYPICAL P
2200
1800
1400
1000
3
2
1
600
200
2
T
BURST = 125mV
HUE = 6.3V, BRIGHT = 4.0V, PIN 28 = 11.8V
0
FIGURE 7. TYPICAL LUMA/CHROMA TRACK
A
T
BURST = 125mV
BRIGHTNESS = 4.0V, BEAM LIMITER = 11.8V
= +25
A
= +25
CONTROL
2
o
C, CHROMA INPUT = 250mV
4
o
C, CHROMA INPUT = 250mV
4
PICTURE CONTROL (V)
SATURATION CONTROL (V)
P-P
1
P-P
, LUMA = 0.5V
CHROMA OUTPUT vs SATURATION
INITIAL CONDITION
ADJUST PIX CONTROL FOR 1V
LUMA (BLK TO WHT)
ADJUST SAT. CONTROL FOR 1V
RED (BLK TO PEAK)
6
, CONTRAST = 11.2V
6
LUMINANCE
8
8
P-P
(30% SYNCH)
P-P
10
P-P
CHROMA
10
12
P-P
P-P
14
12