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参数资料
| 型号： | NTE7148 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Color TV Single-Chip Signal Processor for NTSC Systems (PLL Detection) |
| 中文描述： | 集成电路彩色电视单芯片中的信号处理器对于NTSC系统（锁相环检测） |
| 文件页数： | 4/7页 |
| 文件大小： | 51K |
| 代理商： | NTE7148 |
Electrical Characteristics (Cont
’
d):
(T
A
= +25
°
C, V
CC
= V
11
= V
14
= 9V, I
CC
= I
30
= 13mA unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Video (Cont
’
d)
Contrast Control Center
C
CEN
C
V
B R
H
B R
CEN
B R
L
f
V
9V
f = 100MHz, 100mV
P
–
P,
contrast VR: 6V
Contrast VR: 3V
→
9V
Bright VR: 2V
0.40
0.48
0.57
V
P
–
P
dB
Contrast Variable Control Range
18
20
22
Bright Control
5.5
6.5
7.5
V
Bright VR: 4.5V
3.1
3.6
4.1
V
Bright VR: 7.5V
–
0.3
1.2
V
D.L. Off Frequency
Characteristics
Contrast VR: 6V, video tone VR: 4V,
3dB down
7
8
–
MHz
D.L. On Frequency
Characteristics
f
V
0V
Contrast VR: 6V, video tone VR: 4V,
3dB down
2.5
3.0
4.0
MHz
DC Transmission
R
DC
T
DL
Input: stair step signal, 500mV
P
–
P
Input: white 100%
100
103
106
%
Delay Line Delay
290
340
390
ns
Chroma
ACC Amplitude Characteristics
A
CC
1
A
CC
2
A
CCP
1
A
CCP
2
E
K
E
C
min
E
C CEN
E
C
max
C
C
+6dB
–
3
0
+3
dB
–
20dB
–
7
0
+2
dB
°
C
°
C
dB
ACC Phase Characteristics
+6dB
–
3
0
+3
–
20dB
–
7
0
+7
Killer Operation Point
–
35
–
28
–
21
Color Control Color Residual
Color VR: 0V, contrast VR: 9V
–
–
50
mV
P
–
P
V
P
–
P
V
P
–
P
dB
Color Control Center
Color VR: 4.5V, contrast VR: 6V
1.2
1.8
2.4
Maximum Demodulator Output
Color VR: 9V, contrast VR: 9V
3.2
4.0
4.8
Color Contrast Variable Range
Color VR: B
–
Y = 2.5V
P
–
P
,
contrast VR: 3V
→
9V
Tint VR: 4.5V, color VR: 4.5V,
contrast VR: 6V
17.5
19.5
21.5
Tint Color Center
T
CEN
0
12
24
°
C
Tint Variable Range
T
Tint VR: 0V
←
4.5V
→
8V,
color VR: 4.5V, contrast VR: 6V
±
40
±
55
±
70
°
C
APC Pull
–
In Range
f
APC
R/B
±
300
0.81
±
500
0.90
–
Hz
Demodulator Output Ratio
Monochrome signal, contrast VR: 6V,
color VR: B
–
Y = 1V
PO
0.98
G/B
0.24
0.30
0.38
Demodulator Phase Angle
RB
97
105
113
DEG
GB
–
130
–
120
–
110
DEG
Demodulator Output DC Voltage
V
C
–
Y
V
C
–
Y
Burst signal only, color VR: 0V
4.7
5.2
5.7
V
Demodulator Output DC Offset
Voltage
Burst signal only, color VR: 0V
–
200
0
+200
mV
Demodulator Output Residual
Carrier
E car
Quiescent, killer off, color VR: 0V
–
–
0.05
V
P
–
P
OSD
Blanking Pulse Threshold Level
TH
BL
V
–
Y
C
–
IN: color bar, B
–
IN: variable
0.5
0.8
1.1
V
–
Y Out DC Voltage (OSD Mode)
B
–
IN: 1.5V
2.5
2.8
3.1
V
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