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参数资料
| 型号： | NTE1747 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | 2.5-V Integrated Reference Circuit 3-TO-92 0 to 70 |
| 中文描述： | 集成电路电视视频处理电路 |
| 文件页数： | 2/3页 |
| 文件大小： | 31K |
| 代理商： | NTE1747 |
Electrical Characteristics (Cont’d):
(T
A
= +25
°
C unless otherwise specified)
Parameter
Symbol
Phase Detector
μ
Apply 0
–
changed frequency for burst
phase to Pin18.
Phase Hold Characteristics
Test Conditions
Min
27
Typ
46
Max
64
Unit
mV/deg
=
1 ( . ) x 100
–
1.0
1.6
deg/
100Hz
Hz
APC Pull
–
in Range
f
APC
Rainbow 150mV
P
–
P
measured by
changing burst frequency
Demodulator input 0.5V
P
–
P
,
f = 3.59MHz
Demodulator input 0.5V
P
–
P
,
f = 3.59MHz
Demodulator input 0.5V
P
–
P
,
f = 3.59MHz, LB = 0dg
Demodulator input 0.5V
P
–
P
,
f = 3.59MHz, LB = 0dg
Attenuation from rainbow 150mV
P
–
P
(=0dB) to killer operation
Sine wave input 0.3V
P
–
P
at 20kHz,
contrast max., picture min.
Sine wave input 0.3V
P
–
P
at 20kHz,
contrast 75%
Video input 0.5V
P
–
P
(stair step),
APL10 % to 90%. Contrast max.
Picture min.
Video input 0.5V
p
–
p
(stair step),
APL10
～
90%. Contrast max.
picture min.
Input invalid signal, V
CO
oscillation,
demodulator outputs
Differential voltage of demodulator
outputs
V
CC
= 12V
±
20%, for V
CC
= 12V
±
550
±
800
–
Demodulation Output Ratio
R/B
0.84
0.93
1.02
times
Demodulation Output Ratio
G/B
0.25
0.29
0.33
times
Demodulation Angle
<
R
86.5
90.0
94.5
deg.
Demodulation Angle
<
G
229
236
243
deg.
Color Killer Level
e
k
–
35
–
40
–
45
dB
Video Voltage Amplification
A
V1
7.0
7.7
8.4
times
A
V2
6.3
7.0
7.6
times
DC Transfer Rate
T
DC
86.0
90.5
95.0
%
Differential Gain
DG
–
–
5
%
Demodulation DC Output Voltage
E
O(DC)
7.20
7.60
8.05
V
DC Voltage Difference Between
Demodulation Outputs
E
O
Change with Supply Volt-
age
E
O
Change with Ambient
Temperature
AIC Switching Level
E
X
–
Y
–
–
300
mV
E
X
–
Y
/V
C
C
E
X
–
Y
/T
A
–
0
±
60
mV
T
A
=
–
20
～
+70
°
C. for T
A
= +25
°
C
–
0
±
60
mV
V
SW
f = 3.58MHz, Pin21 level when
Pin 0 = 10V
Chroma/Burst 350/150mV
P
–
P
,
Phase 123
Chroma/Burst 200/150mV
P
–
P
,
Phase 123
’
color killer OFF
Chroma/Burst 300/100mV
P
–
P
,
Phase 0 tint center
160
260
340
mV
p
–
p
Chroma Voltage Gain
G
Vchroma
1.6
2.2
2.7
V
p
–
p
AIC Voltage Gain
G
vAIC
14.5
19.0
23.5
dB
AIC Sensitivity
S
AIC
0.7
1.15
1.5
V
p
–
p
Phase Compensation Center
Phase Compensation Range
Phase Compensation Range
Phase Compensations Quantity
Phase Compensations Quantity
Max. Phase Compensation
Quantity
0
115
100
–
108
17
–
18
51
–
55
123
112
–
120
21.5
–
22.5
59
–
63
134
124
–
132
26
–
28
67
–
71
deg.
deg.
deg.
deg.
deg.
deg.
deg.
c1
c2
Chroma/Burst 150mV
P
–
P
Color Compensation ON
Q1
Q2
Qmax1
Qmax2
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