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參數(shù)資料
| 型號： | LA1837 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip Home Stereo IC with Electronic Tuning Support(帶電子調(diào)諧的家庭立體聲芯片) |
| 中文描述： | 單芯片家用音響集成電路與電子調(diào)諧支持（帶電子調(diào)諧的家庭立體聲芯片） |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 255K |
| 代理商： | LA1837 |
No. 5688-6/9
LA1837
Continued from preceding page.
Pin No.
Pin Function
Pin voltage (V)
Pin description
Equivalent circuit
MPX input
2.9 V
Input impedance r
i
= 20 k
22
FM demodulator output
2.8 V (FM)
2.8 V (AM)
Output impedance r
o
= 3.0 k
The separation can be modified by inserting
a capacitor between this pin and ground.
Set V
O
sub/V
O
main to be about 0 dB.
23
AM detector output
0 V (FM)
0.5 V (AM)
Output impedance r
o
= 3.3 k
The AM frequency characteristics can be
modified by adjusting the time constants of
the circuits between this pin and pin 22, and
between this pin and ground.
24
AM AGC
0 V (FM)
0.5 V (AM)
The built-in load resistor R = 11 k
.
25
AFC
Vreg
The FM SD bandwidth can be modified with
the external resistor connected between
this pin and pin 28.
26
AM RF input
Vreg
Use this pin at the same potential as pin 28.
27
REG
Vreg
Vreg = 3.6 V
28
OSC
Vreg
Use an oscillator coil between this pin and
pin 28.
29
Oscillator buffer output,
FM SD sensitivity
adjustment
1.6 V (FM)
1.3 V (AM)
The FM SD sensitivity can be modified with
the external resistor connected between
this pin and ground.
Output impedance r
o
= 20
30
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1837_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Home Stereo IC with Electronic Tuning Support Single-Chip IC |
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| LA1837M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LA1837M |
| LA1837M_06 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip AM/FM Tuner IC for Home Stereo Systems |
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