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): 26/38頁
文件大?。?/td> 443K
代理商: T4258NFN
32
T4258N
4566B–AUDR–02/04
Figure 14. Multipath Sensor Frequency Response
Generator level 40 dBV
Figure 15. Deviation Sensor
FM modulation frequency: 1 kHz; BW setting 2nd IF filter = 120 kHz;
demodulator fine tuning (bit 53 = 0)
The center frequency of the integrated band filter has to adjusted
(e.g., IF center frequency = 462.50 kHz).
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
100
1000
10000
100000
AM Modulation Frequency [Hz]
90% at -40°C
90% at 25°C
60% at 85°C
60% at -40°C
60% at 25°C
Sensor
Out
put
Volt
a
g
e
[
V
]
0
1
2
3
4
5
10000
30000
50000
70000
90000
Frequency Deviation [Hz]
+85°C
-40°C
D
e
v
iat
ion
Sensor
Out
put
Vo
lt
age
[
V
]
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