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
Video Section (Cont’d)
Sharpness Control
Maximum Gain
Center Gain
Minumim Gain
Input 2T pulse VBS to TP60 and TP63. Measure 3.5 5.5 7.5 dB
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
SW OFF.
–3 –1 +1
dB
YNR Gain
–20 –13 –8
dB
Contact Control
Center Gain
Minimum Gain
Measure Y output gain of data = 40H and 00H. –4.0 –5.5 –7.0 dB
Maximum Y gain is 0dB.
–17 –19 –21 dB
g Point
Va
Vb
g Gain
Ga
Gb
Y Signal to Noise Ratio
40 50 60 IRE
80 90 100 IRE
–1 –3 –5
dB
–4 –6 –8
dB
50 55 60
dB
Chroma Section 1 (PAL/NTSC)
ACC Output Characteristics
e300
e100
Input rainbow signal whose burst and chroma 260 370
signal level is 300mVP–P and 100mVP–P.
Measure sugnal amplitude at Pin41.
260 370
520 mVP–P
520 mVP–P
ACC Flatness
3300/e100
0.9 1.0 1.1
Killer–On Level
PAL
NTSC
Input color bar signal. Measure burst amplitude 0.2 0.5 1.0 mVP–P
at which color begins to disappear when burst is
gradually reduced.
0.2 0.5 1.0 mVP–P
Killer–Off Level
PAL
NTSC
Input color bar signal. Measure burst amplitude 1.0 2.5 4.0 mVP–P
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
4.43MHz
M PAL
VCXO Freq Control Sensitivity
4.43MHz
3.58MHz
M PAL
fo = 3.579545MHz
fo = 4.433619MHz
fo = 3.575611MHz
±300 ±500 ±1000 Hz
±300 ±500 ±1000 Hz
±300 ±500 ±1000 Hz
Fix X–tal mode with bus. Measure frequency 1.7 2.4
changes at TP28 when varying TP26 voltage
from 6.2V to 6.3V.
1.5
2.2
1.8 2.5
3.2 Hz/mV
3.0 Hz/mV
3.3 Hz/mV
fsc Output Amplitude
4.43MHz
3.58MHz
fsc Output Voltage
4.43MHz
3.58MHz
B–Y Output Amplitude
4PAL
3NTSC
Fix X’tal mode with bus. Measure signal
amplitude at TP28.
130 150
120 140
170 mVP–P
160 mVP–P
Fix X’tal mode with bus. Measure DC voltage at 3.6 3.9 4.2
V
TP28.
2.8 3.1 3.4
V
Input rainbow signal. Measure signal amplitude 260 370
at Pin41.
260 370
520 mVP–P
520 mVP–P
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