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參數(shù)資料
| 型號： | TDA9105A |
| 廠商： | 意法半導體 |
| 英文描述： | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| 中文描述： | 偏轉(zhuǎn)處理器多同步監(jiān)測儀 |
| 文件頁數(shù)： | 20/31頁 |
| 文件大?。?/td> | 340K |
| 代理商： | TDA9105A |
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27
28
29
37
38
31
25
39
EW_AMP
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_OUT
EW_CENT
SPB_AMP
SPB_OUT
SPB_CENT
V_FOCUS
1
41
42
40
23
CORNER
9
Figure 22 :
Vertical PartBlock Diagram
VERTICALPART
OPERATING DESCRIPTION
(continued)
Thevertical partgeneratesa fixedamplituderamp
which can be affected by a S and C correction
shape.Then,the amplitudeof thisrampisadjusted
to drivean externalpower stage.
Theinternal referencevoltageusedforthe vertical
part is available betweenPin 26 and Pin 24. It can
beusedasvoltagereferenceforanyDCadjusment
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
) generatesa fixed amplituderamp between
the internal voltages, V
L
(V
L
= V
REF
/4) and V
H
(V
H
= 5/8
V
REF
).
TDA9105A
20/31
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