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參數(shù)資料
| 型號： | LA7615 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| 封裝： | SDIP-64 |
| 文件頁數(shù)： | 8/39頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LA7615 |
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VIF Block - Input Signals and Test Conditions
1. All input signals are input to VIF IN in the test circuit diagram.
2. The input signal voltages are all taken to be the voltage at VIF IN in the test circuit diagram.
3. The signals and their levels are as follows.
No. 5841-16/39
LA7615
Input signal
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 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
CW
A10054
CW
A10055
CW
A10056
CW
A10057
A10058
50 IRE
40 IRE
A10059
100 IRE
A10060
4. Before testing, adjust the D/A converter in the order presented below.
Parameter
Test point
Input signal
Adjustment
APC DAC
PLL DAC
Video level DAC
Trap
No signal, with pin 11 connected to ground
SG1, 93 dB
SG7, 93 dB
SG6, 93 dB
Set the pin 14 DC voltage to be as close to 3.8 V as possible.
Set the pin 53 output level to be 2.0 ±0.2 Vpp.
Lower the D/A converter from its maximum (15) and set the circuit so that the
4.5 MHz component is at least –32 dB below the 100 kHz component.
14
53
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| 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 |
| LA7626 | 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 |
| LA7629 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV/Video,Chroma,Deflection Circuit |
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