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參數(shù)資料
| 型號： | TDA4950 |
| 廠商： | 意法半導體 |
| 英文描述： | TV East/West Correction Circuit(TV東/西糾正電路) |
| 中文描述： | 電視東/西校正電路（電視東/西糾正電路） |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 101K |
| 代理商： | TDA4950 |
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
μ
A CURRENT SINK
PARABOLA OUTPUT INVERTING INPUT
OUTPUT
+V
S
4
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
DURING FLYBACK TIME OF THE VERTICAL
SAWTOOTH
PARABOLA
SUPPRESSION,
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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