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NTE1800

Integrated Circuit TV Multiplex Sound Decoder

NTE Electronics 

NTE1800

Integrated Circuit

TV Multiplex Sound Decoder

Description:

The NTE1800 Multiplexed Sound Decoder is a linear integrated circuit in a 30–Lead DIP type package

that incorporates the SAP demodulation and the L, R matrix circuits required to demodulate multi-

plexed sound signals on the US NTSC system.

The NTE1800 also features mode switching to facilitate the use of remote control, and can be interfaced

easily to the NTE1801 dbx Noise Reduction Decoder IC.

Features:

D Mode switching for remote control

D Built–in muting function

D Pilot cancel circuit

D 8.0 to 13.2V power supply

D 300mVrms (MONO) composite signal input voltage

D 30–pin plastic shrink DIP

D Easily interfaced to the NTE1801

Functions:

D Pilot signal

D SAP signal

D Stereo demodulation

D SAP demodulation

D Mode switching

D Stereo and SAP display drivers

D Pilot canceler

D On–chip 4fH VCO

D On–chip 5fH VCO

Absolute Maximum Ratings:

Power Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Input Signal Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vp–p

Control Signal Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vp–p

Power Dissipation (TA ≤ +70°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mW

Lamp Driver Current, Ilamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA

Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C

Recommended Operating Conditions: (TA = +25°C unless otherwise specified)

Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 13.2V

Composite Signal Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mVrms

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