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參數(shù)資料
| 型號(hào)： | LA7565KM |
| 廠(chǎng)商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products |
| 中文描述： | 中頻信號(hào)處理集成電路PAL / NTSC制式多系統(tǒng)音頻電視機(jī)和錄像機(jī)產(chǎn)品 |
| 文件頁(yè)數(shù)： | 15/18頁(yè) |
| 文件大小： | 191K |
| 代理商： | LA7565KM |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)當(dāng)前第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)
No. 6100-15/18
LA7565E, 7565KM
Pin No.
Pin
Pin function
Equivalent circuit
FM filter
Connection for a filter used to hold the FM detector output at
a fixed DC voltage.
Normally, a 1-μF electrolytic capacitor is used. If the low
area (around 50 Hz) frequency characteristics are seen as a
problem, this capacitance should be increased.
The FM detector output level can be reduced and the FM
dynamic range can be increased by inserting a resistor and
a capacitor in series between pin 23 and ground.
Continued from preceding page.
24
23
FM detector output
Audio FM detector output.
A resistance of 200
is inserted in series with the emitter
follower.
In applications that support stereo:
In applications that input to a stereo decoder, the reduced
input impedance can cause distortion in the L-R signal. This
may degrade the stereo characteristics. If this is a problem
add the resistor R1 between pin 24 and ground.
R1
≥
5.1 k
In applications that support mono:
Attach an external de-emphasis circuit with the following
time constant.
t = CR2
1 k
1 k
A12069
23
C
+
R
R2
300
1
C
R1
A12070
24
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7566 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:VIF/SIF IF Signal-Processing Circuit with TV/VCR PAL and NTSC Multisound Support |
| LA75665M | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述: |
| LA75665NM | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述: |
| LA75665NV | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述: |
| LA75675M-S | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:VIF/SIF IF Signal-Processing Circuit that Supports NTSC Intercarrier for TV and VCR Products |
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