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參數資料
| 型號： | LA75675M-S |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數： | 11/13頁 |
| 文件大小： | 133K |
| 代理商： | LA75675M-S |
No. 6276-7/13
LA75675M-S
Pin Functions
Pin No.
Pin
Function
Equivalent circuit
SIF input
The input impedance is about 1 k
.
Since interference signals* entering this input can
result in buzzing and beat signals, the pattern layout
for the signal input to this pin must be designed
carefully.
*: Signals that can interfere with audio include video
and chrominance signals. Thus the VIF carrier
signal can cause interference.
1
SIF input
1
1 k
1 k
1 k
A12620
The FM detector signal-to-noise ratio can be improved
by inserting a filter in the FM detector bias line.
C1 must be 0.47 F or higher, and we recommend
1 F.
If the FM detector is not used, a 2 k
resistor must be
inserted between pin 2 and ground. This stops the FM
detector VCO circuit.
2
FM power supply filter
2
A12621
C1
TO VCO BIAS
4.2 V
10 k
4 k
14 k
Outputs the intercarrier detector output that has been
passed through a high-pass filter.
(4.5 MHz output)
3
SIF out
A12622
3
200
This pin should be left open.
4NC
Use lines that are as short as possible for VCC/ground
decoupling.
5
VCC
Continued on next page.
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相關代理商/技術參數 |
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| LA75676M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For TV and VCR Products IF Signal Processor (VIF+SIF) |
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| LA75676VA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal Processor (VIF+SIF) for TV and VCR Products |
| LA75676VA-TLM-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
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