參數(shù)資料
型號: T4258NFNG3
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): 27/38頁
文件大?。?/td> 443K
代理商: T4258NFNG3
33
T4258N
4566B–AUDR–02/04
Figure 16. Deviation Sensor Frequency Response
FM frequency deviation: 22.5 kHz
Figure 17. FM Input Level Sweep
Soft mute threshold bits 68, 69 = 0, bit 70 = 1; soft mute gain bit 67 = 0
gain FM IF amplifier bit 89 to 91 = 1
0.0
0.2
0.4
0.6
0.8
1.0
100
1000
10000
100000
FM Modulation Frequency (Hz)
Sensor
Out
put
Volt
a
g
e
(
V
)
-70
-60
-50
-40
-30
-20
-10
0
10
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
Input Level [dBV]
M
PX
O
u
tput
[
d
B]
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Fi
e
ldst
rengt
h
Sensor
O
u
tput
Vo
lt
age
[
V
]
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