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參數(shù)資料
| 型號(hào)： | LA1838 |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大小： | 110K |
| 代理商： | LA1838 |
Pin No.
Pin function
Pin voltage
Notes
Equivalent circuit
Vreg – 1.4
VCC
Vreg
Coil Specifications
AM oscillator (for the DUT)
HW-50425 (Mitsumi)
Pin Functions
IFT
YD-1073-1 (Mitsumi)
No. 5888-4/9
LA1838
3
1
2
4
6
A10633
- 2T
- 9T
- x 86T
QO ≥ 80
L = 270
H
3
1
2
4
S
6
YD-1073
SFU450B
A10634
- x 58T
- 7T
- 94T
fO = 450 kHz
QO = 110
A 180-pF capacitor is built in
With an external SFU450B
FM IF input
AM mixer output
1
2
Input impedance ri = 330
Connect the mixer coil between this pin and VCC
1
3
A10635
2
A10636
1
3
A10635
Vreg
FM IF input
bypass
3
Also used for the MPX regulator filter
4
A10637
Vreg
0 V
AM IF input
GND
4
5
Input impedance ri = 2 k
6
7
A10638
VCC
TU-LED
ST-LED,
AF-IF output
6
7
Active low
Open collector
AM stereo IF output (pin 7)
The influx current must be held under 150 A.
A10639
9
28
VCC
FM detector
9
The CDA10.7 MG74 (Murata Mfg. Co., Ltd.) is
recommended as the ceramic discriminator. A
device with a series resistance of 270
must be
used.
VCC
8
Continued on next page.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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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