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TDA8145 - TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES

General Description

OThe TDA8145 is a monolithic integrated circuit in a -8 pin minidip plastic package designed for use in )the square C.R.T.

east-west pin-cushion correct(stion by driving a diode modulator in TV and monictor applications.

duFigure 2.

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TDA8145 TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES FEATURES SUMMARY ■ LOW DISSIPATION ■ SQUARE GENERATOR FOR PARABOLIC CURRENT SPECIALLY DESIGNED FOR SQUARE C.R.T. CORRECTION Figure 1. Package ■ EXTERNAL KEYSTONE ADJUSTMENT (symmetry of the parabola) ■ INPUT FOR DYNAMIC FIELD CORRECTION )(beam current change) t(s■ STATIC PICTURE WIDTH ADJUSTMENT c■ PULSE-WIDTH MODULATOR u■ FINAL STAGE D-CLASS WITH ENERGY rodREDELIVERY P■ PARASITIC PARABOLA SUPPRESSION, DURING FLYBACK TIME OF THE VERTICAL teSAWTOOTH bsoleDESCRIPTION OThe TDA8145 is a monolithic integrated circuit in a -8 pin minidip plastic package designed for use in )the square C.R.T. east-west pin-cushion correct(stion by driving a diode modulator in TV and monictor applications. duFigure 2.