Datasheet > TEA2031A_07

TEA2031A_07

更新时间： 2024-02-22 09:27:00

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电视
页数	文件大小	规格书
11页	96K
描述
COLOR TV EAST-WEST CORRECTION

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TEA2031A_07 数据手册

TEA2031A

COLOR TV EAST-WEST CORRECTION

FEATURES SUMMARY

■ BUILD IN FRAME PARABOLA FROM

Figure 1. Package

EXTERNAL SAW-TOOTH

■ PARABOLA CORRECTION ADJUSTMENT

■ KEYSTONE CORRECTION ADJUSTMENT

■ LINE SIZE ADJUSTMENT

■ LINE DYNAMIC CORRECTION POSSIBILITY

(beam current)

■ D CLASS OUTPUT MODULATOR WITH

BUILD IN RECOVERY DIODE

■ 50 OR 60Hz OPERATION

■ LOW DISSIPATION

DIP8

(Plastic Package)

■ FEW EXTERNAL COMPONENTS

DESCRIPTION

The TEA2031A is intended to ensure frame rate

modulated parabolic and keystone corrections to

the horizontal deflection circuitry of 110° color TV

sets.

The linear frame saw-tooth is applied to appropri-

ate circuitry from which a corresponding parabolic

waveforms is obtained. This waveform is then fed

to a comparator together with the linear line saw-

tooth for comparison. Comparator’s output drives

the output power stage which is capable of sinking

the external coil currents of up to 0.5A.

An internal recovery diode feeds back to the power

supply the coil fly-back current pulses of as high as

0.5A.

REV. 2

April 2004

1/11

12 3 4 5 6 7...11

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