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NTE7150 Datasheet(PDF) 4 Page - 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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NTE7150 Datasheet(HTML) 4 Page - NTE Electronics

   
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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
Chroma Section 1 (Cont’d) (PAL/NTSC)
R–Y Output Amplitude
4PAL
Input rainbow signal. Measure signal amplitude
220
315
440
mVP–P
3NTSC
at Pin40.
220
315
440
mVP–P
Relative Amplitude
4PAL
Input rainbow signal. Measure (R–Y)/(B–Y).
0.73
0.8
0.9
3NTSC
0.73
0.8
0.9
Relative Phase
4PAL/4NTSC
Input rainbow signal. Measure
q(R–Y)/q(B–Y).
85
90
95
DEG
3NTSC
85
90
95
DEG
Chroma Demodulation Bandwidth
0.5
0.8
1.5
MHz
Residual Carrier Level
B–Y
Measure residual carrier waves (fsc frequencies)
0
3
5
mVP–P
R–Y
on Pin40 and Pin41.
0
3
5
mVP–P
Residual Harmonics Level
B–Y
Measure residual higher harmonics (double the
0
20
30
mVP–P
R–Y
fsc frequency) on Pin40 and Pin41.
0
20
30
mVP–P
TINT Control
TINT Maximum
Input NTSC rainbow signal. Measure TINT of
°
27
32
39
DEG
TINT Center
data = 00H, 40H, and 7FH. TINT 0
° is when
the 6th bar of B–Y is maximum.
–12
–4
+8
DEG
TINT Minimum
the 6th bar of B–Y is maximum.
–39
–44
–49
DEG
PAL/NTSC Color Difference
Amplitude Adjustment Gain
–2
–1
–0.5
dB
Identification Output
PAL
Measure output voltage from Pin39.
8.0
8.3
8.6
V
SECAM
4.3
4.6
4.9
V
NTSC
0.0
0.1
0.4
V
Chroma Section 2 (SECAM)
Color System Identification Mode
Switch Threshold Voltage
Measure voltager at Pin44 at which SECAM signal
becomes unable to be demodulated when the DC
voltage applied to TP44 is varied from 6V to 0V.
4.7
5.0
5.3
V
ACC Characteristics
Input Id 150mVP–P
V32 = 1V. Measure ident amplitude at Pin28
220
280
340
mVP–P
Input Id 50mVP–P
220
280
340
mVP–P
Killer–On Level
Ident Data = 0
Input color bar signal. Measure burst amplitude
0.1
1.0
3.0
mVP–P
Ident Data = 1
at which color begins to disappear when burst is
gradually reduced.
0.1
1.0
3.0
mVP–P
B–Y Output Amplitude
Input color bar signal. Measure output amplitude
at Pin41.
400
580
750
mVP–P
R–Y Output Amplitude
Input color bar signal. Measure output amplitude
at Pin40.
450
680
950
mVP–P
BELL Monitor Switch Threshold
Voltage
1.5
1.8
2.1
V
BELL Filter Characteristics
Ident Ratio
0.9
1.0
1.1
Cyan Bar
1.00
1.15
1.30
Yellow Bar
1.10
1.25
1.40


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