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參數(shù)資料
| 型號(hào)： | KA22427C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | AM/FM 1 Chip Radio(AM/FM單片收音電路) |
| 中文描述： | 調(diào)幅/調(diào)頻收音機(jī)芯片1（調(diào)幅/調(diào)頻單片收音電路） |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 151K |
| 代理商： | KA22427C |
KA22427C
AM/FM 1 CHIP RADIO
FUNCTION DESCRIPTION (Pin 16 DC Voltage)
1. IF Gain Grouping Table
(1) Test Condition: V
CC
= 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 vatue of Pin 8 (AM) from 33K
to infinity.
FM gain can be adjusted by the loading resistor value of Pin 16 (FM) from 3K
to 680
.
Recommended resistance (Pin 8,
Pin 16).
Pin 8 (AM) = 47K
Pin 16 (FM) = 470
V16(AM)
V16(FM)
1.4 - 1.7V
2.4 - 2.85V
2B
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