tda4856-v6 NXP Semiconductors, tda4856-v6 Datasheet - Page 45

• Manufacturer Part Number: tda4856-v6
• Description: I2c-bus Autosync Deflection Controller For Pc Monitors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Vertical linearity error
H-focus pre-correction
2003 Sep 30
I
PC monitors
(1) I
(2) I
(3) I
(4) I
Which means:
Vertical linearity error =
(1) Line flyback pulse at HFLB (pin 1).
(2) Horizontal focus parabola at FOCUS (pin 32).
2
C-bus autosync deflection controller for
VOUT
1
2
3
= I
= I
= I
VOUT
VOUT
VOUT
= I
VOUT1
at V
at V
at V
I
0
=
VCAP
VCAP
VCAP
I
--------------
I
1
VOUT2
2
–
= 1.9 V.
= 2.6 V.
= 3.3 V.
1 max
I
3
–
.
I
-------------- or
1
I
–
0
handbook, halfpage
handbook, halfpage
I
2
I
------------- -
2
I
–
0
Fig.28 Definition of H-focus pre-correction.
(1)
Fig.27 Definition of vertical linearity error.
I
3
I VOUT
( A)
415
415
(2)
(1)
0
I 1
(2)
45
t precor = 450 ns
t precor = 300 ns
I 2
(3)
I 3
V VCAP
(4)
MBG551
MGS282
Product specification
TDA4856