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參數資料
| 型號： | LA76075 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP52 |
| 封裝： | SDIP-52 |
| 文件頁數： | 5/35頁 |
| 文件大小： | 712K |
| 代理商： | LA76075 |
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VIF Block Input Signals and Measurement Conditions
1. Input the input signals to the VIF IN pin noted on the measurement circuit diagrams.
2. The input signal levels are the VIF IN levels noted on the measurement circuit diagrams.
3. The following table describes the input signals.
No. 5845-13/35
LA76075
Input Signal
Waveform
Conditions
45.75 MHz
SG1
42.17 MHz
SG2
41.25 MHz
SG3
Variable frequency
SG4
45.75 MHz
87.5% Video Mod.
Ten-step wave using 3.58-MHz
subcarrier
SG5
45.75 MHz
87.5% Video Mod.
Flat field signal
SG6
4. Before starting the measurements, adjust the digital-to-analog converters in the following order.
Item
Measurement Point
Input Signal
Target Value
APC DAC
13
No signal, IF.AGC.DEF = 1
Adjust to bring the DC voltage at pin 13 as close as possible to 3.8 V.
PLL DAC
13
SG1, 93 dB
Adjust to bring the DC voltage at pin 13 as close as possible to 3.8 V.
Video Level DAC
45
SG6, 93 dB
Adjust to bring the output level at pin 45 as close as possible to 2.0 Vp-p.
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| 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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