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參數(shù)資料
| 型號： | LA1816 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip AM/FM, MPX Tuner System for Headphone Stereos, Radio-Cassette Recorders |
| 中文描述： | 單芯片的AM / FM，盈豐調(diào)諧器系統(tǒng)的耳機音響，收音機，盒式錄像機 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 400K |
| 代理商： | LA1816 |
How to use the LA1816
1.
VCO stop
The VCO is stopped by shorting pin 10 and pin 8 (V
CC
pin).
Note) The maximum supply voltage on pin 10 must not exceed the voltage on pin 8.
Free-running frequency check
Either of the following two methods is used to check the free-running frequency.
(a) Connect pin 12 to a frequency counter through the high input impedance amplifier.
2.
(b) Connect the connection point of the semifixed resistor connected to pin 12 and the fixed resistor to a frequency counter
through the resistor of 240 k
or greater.
How the error changes with the resistor value is shown in Figure 2.
3.
How to use the FM DET coil
For pin 17 (FM DET), a coil may be used instead of adjustment-free FM discriminator.
Figure 1
E
f
Figure 2
F – R
X
R
X
–
1
–
3
10T
Qo = 90
f = 10.7 MHz
82 pF internal
Figure 3 How to use the FM DET coil
N
D
Figure 4 FM DET Coil Characteristics
ANT input voltage – dBμ
T
Figure 5 FM DET Coil Characteristics
ANT input voltage – dBμ
Pin 4 (IF) input
LA1816, 1816M
No.2659-5/11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1816M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip AM/FM, MPX Tuner System for Headphone Stereos, Radio-Cassette Recorders |
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| LA181W-SEG-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA1821-352 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| LA1821-358 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Seven-Segment Numeric LED Display |
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