Description:
The NTE1786 is an integrated circuit in a 24–Lead DIP type package that provides closed–loop digital tuning of TV receivers, with or without AFC, as required. This device also controls up to 4 analog functions, 4 general purpose I/O ports and 4 high–current outputs for tuner band selection.

FEATUREs:
• Combined Analog and Digital Circuitry Minimizes the Number of Additional Interfacing Components Required
• Frequency Measurement with Resolution of 50kHz
• Selectable Prescaler Divisor of 64 or 256
• 32V Tuning Voltage Amplifier
• 4 High–Current Outputs for Direct Band Selection
• 4 Static Digital–to–Analog Convertors (DACs) for Control of Analog Functions
• 4 General Purpose Input/Output (I/O) Ports
• Tuning with Control of Speed and Direction
• Tuning with or without AFC
• Single–Pin, 4MHz On–Chip Oscillator
• I2C Bus Slave Transceiver

APPLICATIONs:
• TV Receivers
• Satellite Receivers
• CATV Converters