TEA2037A datasheet(6/9 Pages) STMICROELECTRONICS

Part #	TEA2037A

Description	HORIZONTAL AND VERTICAL DEFLECTION MONITOR

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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INPUT CURRENT

COMPENSATION

Frame

Sync Pulse

To Frame

Amplifier

V

CC1

1

Figure 6 : Frame Oscillator

Line Output (pin 14)

It is an open collector output which is able to drive

pulse current of 800mA for a rapid discharging of

the darlington base. The output pulse time is 22

µs

for a 64

µs period.

The oscillator thresholds are internally fixed by

resistors. The oscillator is synchronized during the

last half free run period. The input current during

the charge of the capacitor is less than 100nA.

Frame Output Amplifier

This amplifier is able to drive directly the frame

yoke. Its output is short circuit and overload pro-

tected ; it contains also a thermal protection.

TEA2037A

6/9

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