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NTE1661

Integrated Circuit Synchronization Signal Processor For B/W TV and Small−Sized Color TV

NTE Electronics 

NTE1661

Integrated Circuit

Synchronization Signal Processor For

B/W TV and Small−Sized Color TV

Description:

This device is a bipolar analog integrated circuit designed for mono−chrome TV and small size color

TV. It contains synchronous signal separator, vertical deflection signal generator, vertical power

stage, and horizontal defection signal generator in a molded 16 pins dial in−line package.

The vertical stage reduces the power consumption remarkably by the built−in voltage booster circuit.

The horizontal signal part can take the working power from any voltage power supply higher than 8

volts, as it equips shunt type power regulator itself. So, it can take the power even from 110 volt power

line through only one resistor.

Features:

D Built−in vertical power stage remarkably low power vertical defection realized by the built−in

voltage booster.

D Vertical fly−back pulse width is freely adjustable by the exclusive

D Any supply voltage is available for the horizontal part, as it equips shunt type power regulator

itself.

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Power Supply Voltage for Vertical Part, V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Power Supply Current for Horizontal Part, I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA

Video Input Voltage, V15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4V

Synch Output Current, I16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10 to +10mA

Voltage Booster Charge Voltage, V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4V

Booster Output Current, I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −500 to +150mA peak

Deflection Current, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −500 to +150mA peak

Vertical Feedback Voltage, V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4V

AFC Input Voltage, V14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V10V

Horizontal Output Current (Pulse), I9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −5 to +5mA

Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 (Ttab = 98°C)W

Thermal Resistance (J−tab) Rth(j−tab) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 (Ttab = 25°C) °C/W

Thermal Resistance, (J−a) Rth(j−a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 (TA = 25°C) °C/W

Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20 to +75°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to +150°C

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