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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(yè)數(shù)： | 21/32頁(yè) |
| 文件大?。?/td> | 339K |
| 代理商： | TDA9105 |
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OPERATINGDESCRIPTION
(continued)
VERTICALPART
Figure 21 :
Vertical Part BlockDiagram
27
28
29
37
38
31
25
39
PARABOLA
GENERATOR
SYNCHRO
OSCILLATOR
34
OSC
CAP
DISCH.
V_SYNC
POLARITY
SAMPLING
SAMP.
CAP
Vlow
Sawth.
Disch.
REF
TRANSCONDUCTANCE
AMPLIFIER
CHARGE CURRENT
30 VERT_OUT
VERT_AMP
VS_AMP
COR_C
S CORRECTION
C CORRECTION
EW_AMP
EW_OUT
EW_CENT
SPB_AMP
SPB_OUT
SPB_CENT
V_FOCUS
1
41
42
40
9
The verticalpart generatesafixed amplituderamp
which can be affected by a S and C correction
shape.Then,theamplitude ofthisrampis adjusted
to drive an external power stage.
The internalreference voltageused forthe vertical
part is availablebetween Pin26 and Pin24. It can
be usedasvoltagereferenceforanyDCadjusment
to keep a high accuracy to each adjustment. Its
typicalvalue is :
V
26
= V
REF
= 8V.
The charge of the external capacitor on Pin 27
(V
CAP
) generates a fixed amplituderamp between
the internal voltages, V
L
(V
L
= V
REF
/4) and V
H
(V
H
= 5/8
V
REF
).
TDA9105
21/32
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相關(guān)代理商/技術(shù)參數(shù) |
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