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NTE7150 Datasheet (HTML) - NTE Electronics

Part No. NTE7150
Description  Integrated Circuit Video, Chroma, and Sync. Signal Processing Circuit for PAL/NTSC/SECAM System Color Televisions
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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 3 page
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AC Characteristics (Cont’d): VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
Video Section (Cont’d)
Sharpness Control
Maximum Gain
Input 2T pulse VBS to TP60 and TP63. Measure
3.5
5.5
7.5
dB
Center Gain
2T pulse output gain of data = 3FH, 20H, and
00H. 0dB is equal to the output gain of sharpness
0.5
1.5
3.5
dB
Minumim Gain
00H. 0dB is equal to the output gain of sharpness
SW OFF.
–3
–1
+1
dB
YNR Gain
–20
–13
–8
dB
Contact Control
Center Gain
Measure Y output gain of data = 40H and 00H.
–4.0
–5.5
–7.0
dB
Minimum Gain
Maximum Y gain is 0dB.
–17
–19
–21
dB
g Point
Va
40
50
60
IRE
Vb
80
90
100
IRE
g Gain
Ga
–1
–3
–5
dB
Gb
–4
–6
–8
dB
Y Signal to Noise Ratio
50
55
60
dB
Chroma Section 1 (PAL/NTSC)
ACC Output Characteristics
e300
Input rainbow signal whose burst and chroma
260
370
520
mVP–P
e100
signal level is 300mVP–P and 100mVP–P.
Measure sugnal amplitude at Pin41.
260
370
520
mVP–P
ACC Flatness
3300/e100
0.9
1.0
1.1
Killer–On Level
PAL
Input color bar signal. Measure burst amplitude
0.2
0.5
1.0
mVP–P
NTSC
at which color begins to disappear when burst is
gradually reduced.
0.2
0.5
1.0
mVP–P
Killer–Off Level
PAL
Input color bar signal. Measure burst amplitude
1.0
2.5
4.0
mVP–P
NTSC
at which color begins to be tinted when burst is
gradually increased from 0.
1.0
2.5
4.0
mVP–P
APC Pull–In Range
3.58MHz
fo = 3.579545MHz
±300 ±500 ±1000
Hz
4.43MHz
fo = 4.433619MHz
±300 ±500 ±1000
Hz
M PAL
fo = 3.575611MHz
±300 ±500 ±1000
Hz
VCXO Freq Control Sensitivity
4.43MHz
Fix X–tal mode with bus. Measure frequency
1.7
2.4
3.2
Hz/mV
3.58MHz
changes at TP28 when varying TP26 voltage
from 6.2V to 6.3V.
1.5
2.2
3.0
Hz/mV
M PAL
from 6.2V to 6.3V.
1.8
2.5
3.3
Hz/mV
fsc Output Amplitude
4.43MHz
Fix X’tal mode with bus. Measure signal
130
150
170
mVP–P
3.58MHz
amplitude at TP28.
120
140
160
mVP–P
fsc Output Voltage
4.43MHz
Fix X’tal mode with bus. Measure DC voltage at
3.6
3.9
4.2
V
3.58MHz
TP28.
2.8
3.1
3.4
V
B–Y Output Amplitude
4PAL
Input rainbow signal. Measure signal amplitude
260
370
520
mVP–P
3NTSC
at Pin41.
260
370
520
mVP–P



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