參數(shù)資料
型號(hào)： 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(yè)數(shù)： 10/27頁(yè)
文件大?。?/td> 308K
代理商： LA76070
VIF Block Input Signals and Measurement Conditions
1. All input signals are applied to PIF IN (pin 10) as shown in the measurement circuit diagrams.
2. The input signal voltage values are all the value of VIF IN (pin 10) as shown in the measurement circuit diagrams.
3. The table below lists the input signals and their levels.
No. 5844-10/27
LA76070
Input signal
Waveform
Condition
SG1
45.75 MHz
SG2
42.17 MHz
SG3
41.25 MHz
SG4
Variable frequency
SG5
45.75 MHz
87.5 % video modulation
10-step staircase waveform
(Subcarrier: 3.58 MHz)
SG6
45.75 MHz
87.5 % video modulation
Sweep signal
(APL: 50 IRE
Sweep signal level: 40 IRE)
SG7
45.75 MHz
87.5 % video modulation
Flat field signal
Item
Measurement point
Input signal
Adjustment
APC DAC
No signal, IF.AGC.DEF = 1
Set up the DAC value so that the pin 13 DC voltage is as close to 3.8 V as possible
PLL DAC
SG1, 93 dBμ
Set up the DAC value so that the pin 13 DC voltage is as close to 3.8 V as possible
Video
SG7, 93 dBμ
Set up the DAC value so that the pin 45 output level is as close to 2.0 V p-p as
possible
4. Perform the following D/A converter adjustments in the order listed before testing.
13
13
45
相關(guān)PDF資料
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LA7625 Video, Chroma and Deflection Circuit for Color Television Sets
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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(chēng):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(chēng):Sanyo Semicon Device 功能描述:Single-Chip NTSC Color TV IC
LA7620 制造商:SANYO 制造商全稱(chēng):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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