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參數(shù)資料
| 型號： | TDA9113 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 偏轉(zhuǎn) |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP32 |
| 封裝： | SHRINK, PLASTIC, DIP-32 |
| 文件頁數(shù)： | 29/50頁 |
| 文件大?。?/td> | 755K |
| 代理商： | TDA9113 |
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TDA9113
35/50
Figure 13. EWOut output waveforms
9.6 - DYNAMIC CORRECTION
OUTPUTS SECTION
9.6.1 - Horizontal dynamic correction output
HDyCor
A parabolic waveform at horizontal frequency is
output on pin HDyCor. It can be adjusted in ampli-
tude and phase (
HDC-AMP and HDC-SYM I2C
bus controls). See also I2C BUS CONTROL REG-
ISTER MAP on page 22. The minimum value in
horizontal parabola amplitude I2C bus control
does not correspond to null horizontal amplitude.
Refer to Figure 14. The phase of the parabola can
roughly be adjusted via
HDyCorPh I2C bus bit to
coincide either with the beginning or the middle of
the H-flyback pulse. Moreover, its centre can be
offset via
HDC-SYM I2C bus control. There is a flat
part of a quasi-constant length at the beginning of
the parabola. Refer to electrical specifications for
values.
The parabola tracks with value in
HSIZE control
and is horizontal breathing compensated if
HDy-
CorTr I2C bit is set to 1 (0 by default).
9.6.2 - Vertical dynamic correction output
VDyCor
A parabola at vertical deflection frequency is avail-
able on pin VDyCor. Its amplitude is adjustable via
VDC-AMP I2C bus control and polarity controlled
via VDyCorPol I2C bus bit. It tracks with real verti-
cal amplitude and position (including breathing
compensation). It is also affected by C- and S-cor-
rections.
The use of both correction waveforms is up to the
application (e.g. dynamic focus).
Keystone
PCC
Top
Bottom
Corners
Vertical sawtooth
alone
tVR
V(VCap)
0
TVR
0
V(EWOut)
alone
o
p
e
rat
ing
ra
ng
e
VEW-PCC
VEW-TCor
VEW-BCor
VEW-Key
V
EW
VEW-DC
V(HEHT)
VRefO
VHEHT(min)
HSIZE (I2C)
mini
mum
medi
um
max
imu
m
VEW(min)
VEW(max)
n
on-
autho
ri
zed
reg
io
n
Vertical sawtooth
tVR
V(VCap)
0
TVR
0
VRefO
VHEHT(min)
Breathing
compensation
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