TDA2593 데이터 시트보기 (PDF) - STMicroelectronics

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TDA2593

SYNCHRO AND HORIZONTAL DEFLECTION CONTROL FOR COLOR TV SET

STMicroelectronics 

TDA2593

SYNCHRO AND HORIZONTAL DEFLECTION

CONTROL FOR COLOR TV SET

.. LINE OSCILLATOR (two levels switching)

PHASE COMPARISON BETWEEN SYN-

CHRO-PULSE AND OSCILLATOR VOLTAGE

. Ø 1, ENABLED BY AN INTERNAL PULSE,

(better parasitic immunity)

PHASE COMPARISON BETWEEN THE FLY-

BACK PULSES AND THE OSCILLATOR VOL-

TAGE Ø 2

. COINCIDENCE DETECTOR PROVIDING A

LARGE HOLD-IN-RANGE

. FILTER CHARACTERISTICS AND GATE

SWITCHING FOR VIDEO RECORDER AP-

PLICATION

. NOISE GATED SYNCHRO SEPARATOR

. FRAME PULSE SEPARATOR

. BLANKING AND SAND CASTLE OUTPUT

PULSES

. HORIZONTAL POWER STAGE PHASE LAG-

GING CIRCUIT

. SWITCHING OF CONTROL OUTPUT PULSE

WIDTH

. SEPARATED SUPPLY VOLTAGE OUTPUT

. STAGE ALLOWING DIRECT DRIVE OF

SCR’S CIRCUIT

SECURITY CIRCUIT MAKES THE OUTPUT

PULSE SUPPRESSED WHEN LOW SUPPLY

VOLTAGE

DESCRIPTION

The TDA2593 is a circuit intended for the horizontal

deflectionof color TV sets, suppliedwith transistors

or SCR’S.

DIP16

(Plastic Package)

ORDER CODE : TDA2593

PIN CONNECTIONS

SUPPLY VOLTAGE

1

OUTPUT STAGE SUPPLY VOLTAGE

2

OUTPUT PULSE

3

SELECTION OF OUTPUT PULSE DURATION

4

DECOUPLING

5

REFERENCE PULSE (flyback) FOR

6

THE 2nd PHASE COMPARATOR

SAND CASTLE PULSE

7

VERTICAL SYNCHRO OUTPUT

8

16

GROUND

15

ADJUSTMENT OF THE CHARGE CURRENT

14

RAMP OSCILLATOR CAPACITANCE

13

FIRST PHASE COMPARATOR OUTPUT

12

TIME CONSTANT SWITCHING

11

V.C.R. SWITCHING

10

NOISE SEPARATOR INPUT

9

SYNCHRO SEPARATOR INPUT

September 1993

1/6

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