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PDF NTE715 Data sheet ( Hoja de datos )
| Número de pieza | NTE715 | |
| Descripción | Integrated Circuit TV Chroma IF Amp | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE715
Integrated Circuit
TV Chroma IF Amp
Description:
The NTE715 is a combined two–stage chroma amplifier and functional control circuit. The input signal
is received from the video amplifier and applied to Pin2 of the input amplifier stage. The first amplifier
stage is part of the ACC system and is controlled by differential adjustment from the ACC input Pin1
and Pin14. The output of the 1st amplifier is directed to Pin6 from where the signal may be applied
to the ACC detection system of the NTE714 or an equivalent circuit. The output at Pin6 is also applied
to Pin7 which is the input to the 2nd amplifier stage. Another output of the 1st amplifier at Pin13 is
directed to the killer adjustment circuit.
The DC voltage level at Pin13 rises as the ACC differential voltage decreases with a reduction in the
burst amplitude. At a pre–set conditions determined by the killer adjustment resistor the killercircuit
is activated and causes the 2nd chroma amplifier stage to be cut off. The 2nd chroma amplifier stage
is also gain controlled by the adjustment of DC voltage at Pin10. The output of the 2nd chroma amplifi-
er stage is available at Pin9. Both amplifier outputs utilize emitter–followers with short–circuit protec-
tion.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
DC Supply Voltage (Pin8 to Pin4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Device Dissipation (Up to TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530mW
Derate Above 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.7mW/°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Lead Temperature (During Soldering, 1/32” (3.17mm) from seating plane, 10s max), TL . . +265°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Static Characteristics
Voltages Bias Reference Terminal
Amplifier No. 1 Chroma Input
Amplifier No. 1 Chroma Output
Balanced
Unbalanced
Amplifier No 2 Chroma Input
Amplifier No 2 Chroma Output
Supply Current
V12 S1 Open, S2 Open
V2 S1 Open, S2 Open
V6 S1 Open, S2 Open
S1 Open, S2 Closed
V7 S1 Open, S2 Open
V9 S1 Closed, S2 Open
IT S1 Open, S2 Open
– 17.3 –
– 1.75 –
V
V
– 20 –
– 13.5 –
– 1.5 –
– 20.6 –
17 24.5 31
V
V
V
V
mA
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NTE715.PDF ] | |
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