TDA9112A View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TDA9112A

HIGH-END I²C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR

STMicroelectronics 

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TDA9112A

Figure 14. Geometric corrections’ schematic diagram

Vmidref

X2

Int. V-ramp

X4

(linear, before

corrections)

X3

VDC-AMP VDyCorPol VVD-DC

-1

H-Ramp

generator

HVDC-HPH

Phase

tracking

HSIZE

HVDC-HSHAP

HVDC-HAMP

HVDyCorPol

Xn

Shape

-1

VHVD-DC

VDyCor

32

HVDyCor

11

Keystone

HVDC-VAMP

KEYST

Pin cushion

PCC

Top corner

TCC

Bot. corner

BCC

EWWC

“W”

EWSC

“S”

Parallelogram

PARAL

Pin cushion

asymmetry

Top corner

asymmetry

Bottom corner

asymmetry

PCAC

TCAC

BCAC

HSIZE

H-size control

DC

0...2.5V

Breathing

HEHTG

tracking

VHEHTnull

17

HEHTIn

VEW(max)

0V

EWOut

0V

24

VEW-base VEW(min)

Tracking

1

with hor.

frequency

EWTrHFr 0

0V

9

HPLL1F

VHOThrfr

To HPLL2

Internal dynamic

phase waveform

Controls:

1-quadrant

2-quadrant

44/60

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