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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)： | 22/43頁 |
| 文件大?。?/td> | 2538K |
| 代理商： | TDA9111 |
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TDA9111
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Figure 15. Phase of HFocus Parabola
2.7 Horizontal Moiré Output
The Horizontal Moiré output is intended to correct
a beat between the horizontal video pixel period
and the CRT pixel width.
The Moiré signal is a combination of the horizontal
and vertical frequency signals.
To achieve a Moiré cancellation, the Moiré output
has to be connected so as to modulate the hori-
zontal position. We recommend introducing this
“Horizontal Controlled Jitter” on the ground side of
PLL2 capacitor where this “controlled jitter” will di-
rectly affect the horizontal position.
The amplitude of the signal is I2C adjustable. The
H-Moiré frequency can be chosen via the I2C.
When sub-address 11 D8=0, Fh is divided by 4.
This is recommended for separate scanning and
EHV. When D8=1, Fh is divided by 2, which gives
a better aspect in the case of common scanning
and EHV. The H-Moiré output is combined with the
PLL1 horizontal unlock output.
If HMoiré/HLock is selected:
– when PLL1 is unlocked, pin 3 output voltage
goes above 6V.
– when PLL1 is locked, the HMoiré signal (up to
2.2V peak) is present on pin 3.
If HMoiré/HLock is not selected, pin 3 can be used
as a 0....2.5V DAC.
127
64
45
0
0.16TH
0.475TH
127
64
45
0
I2C Code
(decimal)
0.6
s
0.6
s
0.4
s
1
s
Flyback pulse
H Focus sawtooth
H Focus parabola
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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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