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NTE1292 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE1292
Description  Integrated Circuit IF Amplifier and Detector
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
Logo NTE - NTE Electronics

NTE1292 Datasheet(HTML) 1 Page - NTE Electronics

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NTE1292
Integrated Circuit
IF Amplifier and Detector
Description:
The NTE1292 is a monolithic integrated circuit in a 14–Lead DIP type package specifically designed
for audio detection in TV and FM radio receivers. It incorporates an 8–stage limiting IF amplifier and
balanced detector plus a DC operated volume control.
Pin3 and Pin4 are connected to the collector and base of a transistor which may be used as an AF–
preamplifier or as a switch.
At Pin12 a zener–diode is accessible which can be used to stabilize the supply voltage of this inte-
grated circuit or the voltage of other circuit elements in the set.
Features:
D Electronic Attenuator: Replaces Conventional AC Volume Control
D Volume Reduction Range: 85dB Typ
D Sensitivity: 3dB Limiting Voltage 30µV Typ
D Excellent AM Rejection 68dB Typ at 10mV
D Audio Output Voltage: 1V Typ
D Wide Supply Voltage Range: VCC = 6V to 18V
D Internal Zener Diode Regulator
D Very Low External Component Requirement
D Simple Detector Alignment: One Coil
Absolute Maximum Ratings:
Supply Voltage, V11
18V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Volume Control Voltage, V5
4V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Zener Current, I12
20mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transistor Collector Current, I3
5mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transistor Base Current, I4
2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bias Resistance (Max), R13–14
1k
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, Topr
–15
° to +70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–65
° to +150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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