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TDA4950 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. TDA4950
Description  TV EAST/WEST CORRECTION CIRCUIT
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA4950
TV EAST/WEST CORRECTION CIRCUIT
October 1998
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KEYSTONE CORRECTION INPUT
FRAME SAWTOOTH CURRENT INPUT
CURRENT REFERENCE
GND
NON-INVERTING INPUT 100
ĀµA CURRENT SINK
PARABOLA OUTPUT INVERTING INPUT
OUTPUT
+V
S
PIN CONNECTIONS
POWERDIP8 (Th = 0.4mm)
(Plastic Package)
ORDER CODE : TDA4950
.
LOW DISSIPATION
.
SQUARE GENERATOR FOR PARABOLIC
CURRENT
.
EXTERNAL KEYSTONE ADJUSTMENT (sym-
metry of the parabola)
.
INPUT FOR DYNAMIC FIELD CORRECTION
(beam current change)
.
STATIC PICTURE WIDTH ADJUSTMENT
.
PULSE-WIDTH MODULATOR
.
FINAL STAGE D-CLASS WITH ENERGY RE-
DELIVERY
.
PARASITIC
PARABOLA
SUPPRESSION,
DURING FLYBACK TIME OF THE VERTICAL
SAWTOOTH
DESCRIPTION
The TDA4950 is a monolithic integrated circuit in a
8 pin minidip plastic package designed for use in
the east-west pin-cushion correction by driving a
diode modulator in TV and monitor applications.
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