LA1837M 데이터 시트보기 (PDF) - ON Semiconductor
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LA1837M Datasheet PDF : 9 Pages
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Coil Specifications
• AM oscillator (for the DUT)
HW-50425 (Mitsumi Electric Co., Ltd.)
LA1837M
• IFT
YD-1073-1 (Mitsumi Electric Co., Ltd.)
• FM-DET
600BEAS-9715Z (Toko Electric Corporation)
Pin Function
Pin No.
Pin
1
FM IF input
Pin
voltage
Vreg
2
AM mixer output VCC
Equivalent circuit
Pin function
Input impedance ri = 330 Ω
Connect the mixer coil between this pin and VCC.
3
FM IF input
bypass
4
AM IF input
Vreg
Vreg
See pin 1
5
GND
0V
6
TU-LED,
VCC
7
ST-LED,
VCC
AM - IF output
8
VCC
9
FM detector
VCC
Also used for the multiplex regulator filter
Input impedance ri = 2 kΩ
Active low
Open collector
AM stereo IF output (pin 7)
This pin must be set up with an influx current under 150µA.
Recommended detector coil
600BEAS-9715Z (The Toko Electric Corporation)
Continued on next page.
No.8271-4/9
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