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參數(shù)資料
| 型號(hào)： | LC89950 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 1H Delay Line for PAL Systems |
| 中文描述： | 上半年延遲線為PAL系統(tǒng) |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 98K |
| 代理商： | LC89950 |
Test Conditions
1. Measure the power-supply current when no input signal is supplied.
2. Measure the pin voltages on each pin when no input signal is supplied.
3. Let V
OUT
be the OUT pin signal amplitude when a 200-kHz 350-mVp-p sine wave is input.
Then, the voltage gain (G
V
) for each of the R-Y and B-Y I/O systems is given by:
V
[mVp-p]
G
V
= 20log ——————— [dB]
350 [mVp-p]
The R-Y and B-Y voltage gains (
G
V
) are:
G
V
= | G
V
(R-Y) –G
V
(B-Y)|
4. Let V1 be the OUT pin output when a 100-kHz 200-mVp-p sine wave is input.
Let V2 be the OUT pin output when a 1-MHz 200-mVp-p sine wave is input.
V2 [mVp-p]
G
f
= 20log ——————— [dB]
V1 [mVp-p]
5. Input a 5-stage step waveform (350 mVp-p) and measure the levels a and b in the output signals.
Perform those measurements for both positive phase and inverted signal inputs.
<Positive phase signal input>
<Inverted signal input>
6. Measure the noise spectrum of the output signal when no input is supplied and read the 4-MHz peak.
7. Pass the output signal through a 2-MHz low-pass filter and a 100-kHz high-pass filter. Then, measure that output with
a noise meter, when no input signal is supplied. Use a 2-MHz low-pass filter with an attenuation of –60 dB at 4-MHz.
8. Input a 200-kHz 350-mVp-p sine wave.
Let V1 be the OUT pin output when SW2 is set to a.
Let V2 be the OUT pin output when SW2 is set to b.
V1 [mVp-p] – V2 [mVp-p]
Z
O
= ————————————
×
500 [
]
V2 [mVp-p]
9. Measure the delay time of the OUT pin output with respect to the input signal. When taking this measurement, exclude
the delay associated with the low-pass filter.
No. 5440-3/5
LC89950
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC89960 | NTSC 1H Delay Line |
| LC89960M | NTSC 1H Delay Line |
| LC89962 | NTSC Format Delay Line |
| LC89962M | NTSC Format Delay Line |
| LC89970 | PAL CCD Delay Line |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC89960 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC 1H Delay Line |
| LC89960M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC 1H Delay Line |
| LC89962 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC Format Delay Line |
| LC89962M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:NTSC Format Delay Line |
| LC89970 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PAL CCD Delay Line |
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