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參數(shù)資料
| 型號(hào)： | LA75695VA |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | 0.225 INCH, SSOP-24 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 281K |
| 代理商： | LA75695VA |
LA75695VA
No.7637-6/13
Input Impedance Test Circuit
Test Conditions
V1. Circuit current [I5]
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) RF AGC Vr MAX
(4) Connect an ammeter to the VCC1 and measure the incoming current.
V2. Circuit current [I4]
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) RF AGC Vr MAX
(4) Connect an ammeter to the VCC2 and measure the incoming current.
V3. V4. Maximum RF AGC voltage, Minimum RF AGC voltage [V14H, V14L]
(1) Internal AGC
(2) Input a 45.75MHz 10mVrms continuous wave to the VIF input pin.
(3) Adjust the RF AGC Vr (resistor value max.) and measure the maximum RF AGC voltage. F
(4) Adjust the RF AGC Vr (resistor value min.) and measure the minimum RF AGC voltage. F
V5. Input sensitivity [Vi]
(1) Internal AGC
(2) fp = 45.75MHz 15kHz 78% AM (VIF input)
(3) Turn off the S1 and put 100k
through.
(4) VIF input level at which the 15kHz detection output level at test point A becomes VO -3dB.
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| LA7576 | 制造商:Panasonic Industrial Company 功能描述:IC |
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