tda9112a STMicroelectronics, tda9112a Datasheet - Page 44

• Manufacturer Part Number: tda9112a
• Description: High-end I2c Controlled Deflection Processor For Multisync Monitor
• Manufacturer: STMicroelectronics

TDA9112A
Figure 14. Geometric corrections’ schematic diagram
44/60
(linear, before
corrections)
Vmidref
Int. V-ramp
X
X
X
2
4
3
Bottom corner
Parallelogram
HVDC-HPH
Pin cushion
Pin cushion
generator
Bot. corner
asymmetry
asymmetry
asymmetry
H-Ramp
Phase
Top corner
Top corner
Keystone
“W”
“S”
HSIZE
tracking
HVDC-VAMP
KEYST
PCC
TCC
BCC
EWWC
EWSC
PARAL
PCAC
TCAC
BCAC
Shape
HVDC-HSHAP
X
n
VDC-AMP
HVDC-HAMP
To HPLL2
Internal dynamic
phase waveform
Tracking
with hor.
frequency
HSIZE
HVDyCorPol
VDyCorPol
tracking
EWTrHFr
-1
H-size control
VEW-base
-1
0...2.5V
VHOThrfr
DC
VVD-DC
1
0
VHVD-DC
0V
0V
VEW(min)
VEW(max)
HEHTG
0V
VHEHTnull
Breathing
Controls:
1-quadrant
2-quadrant
HVDyCor
VDyCor
HPLL1F
HEHTIn
EWOut
32
11
17
24
9