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參數(shù)資料
| 型號(hào)： | TDA9105 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Deflection Processor for Multisync Monitors(偏轉(zhuǎn)處理器) |
| 中文描述： | 偏轉(zhuǎn)處理器的多頻顯示器（偏轉(zhuǎn)處理器） |
| 文件頁數(shù)： | 20/32頁 |
| 文件大小： | 339K |
| 代理商： | TDA9105 |
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OPERATINGDESCRIPTION
(continued)
Geometric Corrections
(continued)
SIDE PIN BAL. OUT
EW OUT
VERT. DYN. FOCUS OUT
VDCIN
KEYSTONE
EW AMP
VDCIN
KEY BALANCE
SIDEPIN AMP
2
VDCIN
ANALOG MULTIPLIER
VERTICALRAMP
9
Figure 20 :
GeometricCorrectionsPrinciple
For E/WpartandDynamicHorizontalphasecontrol
part, a sawtooth shaped differential current in the
followingformisgenerated:
I’=k’(V
RAMP
-V
DCIN
).
Then
I and
I’are added togetherand converted
into voltage.
These two parabola are respectively available on
Pin 37 and Pin40 bythe way of an emitter follower
which has to be biased by an external resistor
(10k
). They can be DC coupled with external
circuitry.
EW
V
OUT
= 2.5V+ K
1
’ (V
RAMP
-V
DCIN
)
+ K
1
(V
RAMP
- V
DCIN
)
2
K
1
is adjustableby EW amp control (Pin 39)
K
1
’ is adjustable byKEYSTcontrol (Pin 38)
Dyn. Hor.
PhaseControl
K
2
is adjustableby SPB ampcontrol (Pin 42)
K
2
’ is adjustableby KEYBALcontrol (Pin 41)
V
OUT
= 4V +K
2
’ (V
RAMP
- V
2
)
+ K
2
(V
RAMP
- V
DCIN
)
For vertical dynamic focus part, only a constant
amplitude parabolais generated in the form :
V
OUT
= 6V - 0.75x (V
AMP
- V
DCIN
)
2
.
The outputconnectionisthesame asthetwoother
corrections(Pins 37-40).
It is important to note that the parasitic parabola
during the discharge of the vertical oscillator ca-
pacitoris suppressed.
TDA9105
20/32
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA9105A | 制造商:Panasonic Industrial Company 功能描述:IC |
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