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參數(shù)資料
| 型號(hào)： | LA1838 |
| 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(yè)數(shù)： | 6/9頁(yè) |
| 文件大?。?/td> | 110K |
| 代理商： | LA1838 |
Continued from preceding page.
No. 5888-6/9
LA1838
Pin No.
Pin function
Pin voltage
Notes
Equivalent circuit
2.9 V
MPX input
22
Input impedance r
i
= 20 k
22
A10648
2.8 V (FM)
2.8 V (AM)
FM demodulator
output
23
Output impedance r
o
= 3.0 k
The channel separation can be adjusted with an
external capacitor connected between this pin and
ground.
The V
O
sub/V
O
main ratio is set to be about 0 dB.
23
A10649
0 V (FM)
0.5 V (AM)
AM detector
output
24
Output impedance r
o
= 3.3 k
The AM frequency characteristics can be adjusted
by modifying the time constant of the circuit
connected between this pin and pin 22 and
between this pin and ground.
A10650
24
0 V (FM)
0.5 V (AM)
AM AGC
25
The resistance of the built-in resistor R is 11 k
25
A10651
Vreg
AFC
26
The FM SD bandwidth can be adjusted with the
external resistor connected between this pin and
pin 28
26
A10652
Vreg
AM RF input
27
Must be used at the same potential as pin 28
27
A10653
Vreg
REG
28
Vreg = 3.6 V
28
A10654
Vreg
OSC
29
Connect the oscillator coil between this pin and
pin 28
29
A10655
1.6 V (FM)
1.3 V (AM)
Oscillator buffer
output,
FM SD sensitivity
adjustment
30
The FM SD sensitivity can be adjusted with an
external resistor connected between this pin and
ground.
Output impedance r
o
= 200
30
A10656
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| LA1851N | DTS Single-chip Tuner IC |
| LA1862M | Single-chip Tuner System for Car Stereo(用于汽車(chē)立體聲的單芯片調(diào)諧器) |
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| LA183B-1-230-A-PF | 制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-C-PF | 制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-D | 制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-E | 制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-E-PF | 制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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