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參數(shù)資料
| 型號： | LA76070 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | NTSC Color Television IC |
| 中文描述： | NTSC制式彩色電視芯片 |
| 文件頁數(shù)： | 14/27頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LA76070 |
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Chrominance Block - Input Signals and Measurement Conditions
Unless otherwise indicated, set up the following conditions for each of the following measurements.
1. VIF and SIF blocks: No signal
2. Deflection block: Input a horizontal and vertical composite synchronizing signal, and assure that the deflection block
is locked to the synchronizing signal. (Refer to the “Deflection Block - Input Signals and Measurement Conditions”
section.)
3. Bus control conditions: All conditions set to the initial conditions unless otherwise specified.
4. Y input: No signal
5. C input: The C1IN input (pin 40) must be used.
6. The following describes the method for calculating the demodulation angle.
B-Y axis angle = tan-1 (B (0)/B (270) + 270°
R-Y axis angle = tan-1 (R (180)/R (90) + 90°
G-Y axis angle = tan-1 (G (270)/G (180) + 180°
7. The following describes the method for calculating the AF angle.
BR ... The ratio between the B-Y and R-Y demodulator outputs.
θ
...... ANGBR: The B-Y/R-Y demodulation angle
[
R-Y/B-Y
×
BR-Cos
θ
Sin
θ
AFXXX = tan-1
8. Attach a TV crystal externally to pin 15.
No. 5844-14/27
LA76070
R-Y axis
]
G-Y axis
B-Y axis
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA76075 | NTSC Color Television Sets |
| LA7615 | Single-Chip NTSC Color TV IC |
| LA7620 | Color TV Video, Chroma, Deflection Circuit |
| LA7625 | Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7629 | Color TV/Video,Chroma,Deflection Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA76075 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC Color Television Sets |
| LA7612A | 制造商:SANYO Semiconductor Co Ltd 功能描述: |
| LA7615 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip NTSC Color TV IC |
| LA7620 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV Video, Chroma, Deflection Circuit |
| LA7621 | 制造商:Panasonic Industrial Company 功能描述:IC |
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