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參數(shù)資料
| 型號： | TDA9111 |
| 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)： | 26/43頁 |
| 文件大?。?/td> | 2538K |
| 代理商： | TDA9111 |
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TDA9111
32/43
Due to the large output stage voltage range (E/W
Pin Cushion, Keystone, E/W Corner), the combi-
nation of the tracking function, maximum
vertical amplitude, maximum or minimum vertical
position and maximum gain on the DAC control
may lead to output stage saturation. This must be
avoided by limiting the output voltage with appro-
priate I2C register values.
For the E/W part and the dynamic horizontal
phase control part, a sawtooth-shaped differential
current in the following form is generated:
I’ = k’ . (VOUT - VDCMID)
Then
I and I’ are added and converted into volt-
age for the E/W part.
Each of the three E/W components or the two dy-
namic horizontal phase control components may
be inhibited by their own I2C select bit.
The E/W parabola is available on Pin 24 via an
emitter follower output stage which has to be bi-
ased by an external resistor (10k
to ground).
Since stable in temperature, the device can be DC
coupled with external circuitry (mandatory to ob-
tain H Size control).
The vertical dynamic focus is combined with the
horizontal focus on Pin 10.
The dynamic horizontal phase control drives inter-
nally the H-position, moving the HFLY position on
the horizontal sawtooth in the range of
± 2.8 %T
H
both for side pin balance and parallelogram.
Figure 17. Geometric Corrections Principle
3.6 E/W
EWOUT = EWDC + K1 (VOUT - VDCMID) +
K2 (VOUT - VDCMID)
2+ K3 (V
OUT - VDCMID)
4
K1 is adjustable by the keystone I2C register.
K2 is adjustable by the E/W amplitude I2C register.
K3 is adjustable by the E/W corner I2C register.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TDA9112 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR |
| TDA9112A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH-END I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR |
| TDA9113 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR |
| TDA9115 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR |
| TDA9116 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR |
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