NTE7150 데이터 시트보기 (PDF) - NTE Electronics
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NTE7150 Datasheet PDF : 8 Pages
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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
3NTSC
Relative Amplitude
4PAL
Input rainbow signal. Measure signal amplitude 220 315
at Pin40.
220 315
440 mVP–P
440 mVP–P
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
R–Y
Residual Harmonics Level
B–Y
R–Y
TINT Control
TINT Maximum
TINT Center
TINT Minimum
Measure residual carrier waves (fsc frequencies) 0
3
on Pin40 and Pin41.
0
3
5 mVP–P
5 mVP–P
Measure residual higher harmonics (double the 0 20 30 mVP–P
fsc frequency) on Pin40 and Pin41.
0
20
30 mVP–P
Input NTSC rainbow signal. Measure TINT of
data = 00H, 40H, and 7FH. TINT 0° is when
the 6th bar of B–Y is maximum.
27 32 39 DEG
–12 –4 +8 DEG
–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 Measure voltager at Pin44 at which SECAM signal 4.7 5.0 5.3
V
Switch Threshold Voltage
becomes unable to be demodulated when the DC
voltage applied to TP44 is varied from 6V to 0V.
ACC Characteristics
Input Id 150mVP–P
Input Id 50mVP–P
Killer–On Level
Ident Data = 0
Ident Data = 1
V32 = 1V. Measure ident amplitude at Pin28
220 280
220 280
340 mVP–P
340 mVP–P
Input color bar signal. Measure burst amplitude 0.1 1.0 3.0 mVP–P
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 400 580 750 mVP–P
at Pin41.
R–Y Output Amplitude
Input color bar signal. Measure output amplitude 450 680 950 mVP–P
at Pin40.
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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