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参数资料
| 型号： | NTE7048 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit NTSC Decoder w/Fast RGB Blanking |
| 中文描述： | 集成电路NTSC制式解码器瓦特/快速的RGB消隐 |
| 文件页数： | 4/5页 |
| 文件大小： | 40K |
| 代理商： | NTE7048 |
Electrical Characteristics (Cont
’
d):
(T
A
= +25
°
C, V
P
= 12V, All voltages referenced to Pin19, unless
otherwise specified)
Symbol
Test Conditions
Parameter
Min
Typ
Max
Unit
RGB Matrix and Amplifiers (Cont
’
d)
Relative Spread between the R, G, and B
Output Signals (Black
–
White)
–
–
10
%
Relative Black
–
Level Variation between the Three
Channels During Variation of Contrast
Relative Black
–
Level Variation between the Three
Channels During Variation of Brightness
Blanking Level at the RGB Outputs
Note 13
–
–
20
mV
Note 14
–
–
20
mV
V
blk
V
1.95
2.15
2.35
V
Differential Drift of the Blanking Levels Over a
Temperature Range of 40
°
C
Tracking of Output Black Level with Supply
Voltage
–
0
20
mV
DV
bl
V
bl
V
f
DV
F
x
1.0
1.05
1.1
Signal
–
to
–
Noise Ratio of Output Signals
S/N
Note 15
62
–
–
dB
Residual 3.58MHz Signal at RGB Outputs
(Peak
–
to
–
Peak Value)
V
R(p
–
p)
–
50
75
mV
Residual 7.1MHz Signal at the RGB Outputs
(Peak
–
to
–
Peak Value)
Output Impedance
–
50
75
mV
|Z
10
|
|Z
11
|
|Z
12
|
α
–
–
50
dB
–
–
50
–
–
50
Frequency Response of Total Luminance and
RGB Amplifier Circuits for f = 0 to 5MHz
Sandcastle Input
Level at which the RGB Blanking is Activated
Note 16
–
–
–
3
V
7
V
7
1.0
1.5
2.0
V
Level at which the Burst Gate Clamping Pulses
are Separated
Delay between Black Level Clamping and
Burst Gating Pulse
6.5
7.0
7.5
V
t
d
300
375
450
ns
Input Current
–
I
7
I
7
V
7
= 0 to 0.8V
V
7
= 1V to 8V
V
7
= 8.5V to 12V
–
–
–
1
mA
μ
A
mA
–
–
–
40
–
–
2
Fast Blanking
Level at which the Fast Blanking is Activated
(Pin11)
Allowable Voltage at Blanking Input
V
11
3.5
–
–
V
V
11
t
d
I
11
–
–
5
V
Delay between Fast Blanking Input and Output
–
40
–
ns
μ
A
V
Input Current
V
11
= 3.5V
–
160
–
Difference between Normal Black
–
Level and the
Fast Blanking Black
–
Level
Note13. During variations of contrast (10dB) at nominal saturation.
Note14. During variations of brightness (
±
1V) at nominal controls.
Note15. The signal
–
to
–
noise ratio is specified as peak
–
to
–
peak signal with respect to RMS noise.
The effective bandwidth is 5MHz.
Note16. Disconnected peaking capacitor.
–
–
0.9
–
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