參數(shù)資料
型號: T4258NFN
廠商: ATMEL CORP
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO44
封裝: SSOP-44
文件頁數(shù): 4/38頁
文件大小: 443K
代理商: T4258NFN
12
T4258N
4566B–AUDR–02/04
Table 16. 2nd IF Center Frequency
IF Center
Bit 59
Bit 58
Bit 57
Bit 56
450.00 kHz
0
456.25 kHz
0
1
462.50 kHz
0
1
0
468.75 kHz
0
1
475.00 kHz
0
1
0
481.25 kHz
0
1
0
1
487.50 kHz
0
1
0
493.75 kHz
0
1
450.00 kHz
1
0
443.75 kHz
1
0
1
437.50 kHz
1
0
1
0
431.25 kHz
1
0
1
425.00 kHz
1
0
418.75 kHz
1
0
1
412.50 kHz
1
0
406.25 kHz
1
Table 17. FM Band Filter Center Frequency Correction
IF Correction
Bit 17
Bit 16
Bit 15
Bit 14
-0 kHz
000
0
-6.25 kHz
000
1
-12.50 kHz
001
0
-18.75 kHz
001
1
-25.00 kHz
010
0
-31.25 kHz
010
1
-37.50 kHz
011
0
-43.75 kHz
011
1
+0 kHz (default)
1
0
+6.25 kHz
100
1
+12.50 kHz
1
0
1
0
+18.75 kHz
1
0
1
+25.00 kHz
1
0
+31.25 kHz
1
0
1
+37.50 kHz
1
0
+43.75 kHz
1
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