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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)： | 4/9頁 |
| 文件大?。?/td> | 255K |
| 代理商： | LA1837 |
Pin No.
Pin function
Pin voltage (V)
Pin description
Equivalent circuit
Coil Specifications
· AM oscillator (for the DUT)
HW-50425 (Mitsumi Electric Co., Ltd.)
No. 5688-4/9
LA1837
· IFT
YD-1073-1 (Mitsumi Electric Co., Ltd.)
· FM detector
600BEAS-9715Z (The Toko Electric Corporation)
Pin Functions
1
FM IF input
Vreg
2
AM mixer output
V
CC
Input impedance ri = 330
Connect the mixer coil between this pin and
V
CC
.
3
FM IF input bypass
Vreg
Also functions as the MPX regulator filter.
4
5
6
7
8
9
AM IF input
GND
TU - LED
ST - LED
AM-IF output
V
CC
FM detector
Vreg
0 V
V
CC
V
CC
V
CC
V
CC
Input impedance ri = 2 k
Active low
Open collector output
AM stereo IF output (pin 7)
The current input must not exceed 150 μA.
Recommended detector coil: 600BEAS-
9715Z
(The Toko Electric Corporation)
See pin 1.
Continued on next page.
-
2T
-
9T
-
86T
Q
O
≥
80
L = 270 μH
-
58T
-
7T
-
94T
f
O
= 450 kHz
Q
O
= 110
Includes an internal
180-pF capacitor.
SFU450B included.
-
22T
f = 10.7 MHz
Q
O
= 40
Includes an internal
82-pF capacitor.
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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 |
| LA1837L-E | 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| 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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