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參數(shù)資料
| 型號： | LA76075 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP52 |
| 封裝： | SDIP-52 |
| 文件頁數(shù)： | 9/35頁 |
| 文件大?。?/td> | 712K |
| 代理商： | LA76075 |
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Chroma Block Input Signals and Measurement Conditions
Unless otherwise specified for the items, apply the following conditions.
1. VIF and SIF blocks: No signals
2. Deflection block: Supply a composite horizontal and vertical synchronization signal and make sure that the deflection
block is locked onto that signal. (For details, see the section “Input Signals and Measurement Conditions.”)
3. Bus control conditions: Adjust the digital-to-analog converter to produce the best color (RGB) equality in the Y
signal levels from pins 28 (RED OUT), 29 (GRN OUT), and 30 (BLU OUT). Set Gamma Def to “1” (defeat). Unless
otherwise specified, use the initial values for all other settings.
4. Adjust the impedance (Z) of the crystal resonator, series capacitor, and resistor to the following value.
Z = 0deg @ 3.579545MHz ± 10Hz -40 ± 1deg @ 3.579345MHz
5. Y input: Unless otherwise specified, use the 0 IRE signal. (A synchronization signal is also necessary.)
6. C input: Connect this to pin 40 (CIN).
7. Calculate the demodulation angles with the following formulas.
R-Y axis = tan–1 (B(0)/B(270)) + 270°
B-Y axis = tan–1 (R(180)/R(90)) + 90°
G-Y axis = tan–1 (G(270)/G(180)) + 180°
8. Calculate the AF angle with the following formula, where BR is the B-Y/R-Y demodulation output ratio and
θ is
ANGBR, the B-Y/R-Y demodulation angle.
AFXXX = tan–1
R–Y/B–Y x BR–cos
θ
——————————
sin
θ
No. 5845-17/35
LA76075
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA7615 | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| LA7621 | HORIZ/VERT DEFLECTION IC, PDIP30 |
| LA7620 | HORIZ/VERT DEFLECTION IC, PDIP30 |
| LA7625 | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
| LA7626 | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LA7625 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets |
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