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NTE7123

Integrated Circuit Sync Deflection Circuit for Color TV

NTE Electronics 

NTE7123

Integrated Circuit

Sync Deflection Circuit for Color TV

Description:

The NTE7123 is an integrated circuit that has a wide vertical pull−in range of 20Hz and contains a

generator of horizontal, vertical blanking as well as the main functions required to provide synchro-

nization and deflection in color CRT displays and also accepts TTL input. It is a multifunctional IC aim-

ing at high−quality picture reproduction.

Features:

D Non−adjusting at vertical sync 50Hz/60Hz due to vertical pull−in range of 20Hz.

D Horizontal and vertical oscillations are stable against variations in ambient temperature and

supply voltage due to small warm−up drift.

D Small variation in horizontal oscillation frequency.

D Good linearity and interlace because DC bias at vertical output stage is subjected to sampling

control within retrace time.

D Any vertical blanking pulse width can be set by peripheral parts.

D The AFC defeat function is eliminated during vertical trigger period to use the NTE7123 as

horizontal/vertical sync seperate input type only.

D Multifunctional and small−sized 6 Pin Dual−In−Line Package.

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

Maximum Supply Voltage, VCC13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V

Maximum Current Dissipation, ICC16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16mA

Allowable Power Dissipation (TA = +65°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570mW

Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +85°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C

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