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S1A0427B01 Datasheet(PDF) 6 Page - Samsung semiconductor

Part No. S1A0427B01
Description  AM/FM 1 CHIP RADIO
Download  14 Pages
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S1A0427B01 Datasheet(HTML) 6 Page - Samsung semiconductor

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S1A0427B01
AM/FM 1 CHIP RADIO
6
FUNCTION DESCRIPTION (PIN 16 DC VOLTAGE)
1. IF Gain Grouping Table
(1) Test Condition: VCC = 9V (Pin 13).
Pin 8 resistance (AM) = 47k
Pin 16 resistance (FM) = 1.2k
(2) Grouping Table
2. IF gain is determined by DC voltage appeared at IC Pin 16.
The DC voltage at Pin 16 to the following values:
AM = 1.4
− 1.65V (DC)
FM = 1.9
− 2.10V (DC)
AM gain can be adjusted by the loading resistor value of Pin 8 (AM) from 33k
Ω to infinity.
FM gain can be adjusted by the loading resistor value of Pin 16 (FM) from 3k
Ω to 680.
Recommended resistance (Pin 8, Pin 16).
Pin 8 (AM) = 47k
Pin 16 (FM) = 470k
V16(AM)
V16(FM)
1.4 - 1.7 V
2.4
− 2.85V
2B


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