NTE1246 NTE-1246 | ECG1246 ECG-1246 | NTE Electronics
NTE1246 IC TV Sound IF AF Power Output DIP-14
Formerly: ECG1246
NTE1246 Integrated Circuit TV Sound IF, Audio Output, 2.4W
Description:
The NTE1246 is a silicon monolithic integrated circuit designed for SIF and audio sections in TV receivers.
It includes a sound IF amplifier, FM detector, DC volume output control circuit, audio output
amplifier (2.4W output power) and a voltage regulator.
Features:
- Reduced Number of External Components
- DC Controlled, so Sheilded wire not Required, Variable Resistor may be Placed Anywhere
- Electronic Attenuation: 80dB typ.
- Peak Differential FM Detection Method, Amplifies Circuitry and Adjustment
- Wide Operating Voltage Range: 9V to 18V
Note 1. PC Board Copper Area 50 x 50mm2
Info as pdf-file
NTE/ECG replacement list as pdf-file
NTE-ECG diagrams
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Voltage (Pin 10), V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Supply Current (Pin 10), I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Supply Current (Pin 5), I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Input Voltage, Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Vp−p
Power Dissipation (TA = +75°C), PD1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8W
Power Dissipation (Note 1), PD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4W
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
IF Stage:(VCC = 12V, Fo = 4.5MHz, RB = 100Ω, Rg = 50Ω, V14 > 1.3V, fM = 400Hz, f = ±25kHz,
TA = +25°C, unless otherwise specified)
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