旭化成
[AKD4127-A]
[剧情]
AK4127 FFT图( FSI = 48 [千赫] , FSO = 44.1 [千赫] ) AVDD = DVDD = 3.3 [V] ,输入电平= 0 dBFS的] ,鳍= 1 [千赫]
+0
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d
B
F
S
-90
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图6. FFT图(输入电平= 0 dBFS的] )
AK4127 FFT图( FSI = 48 [千赫] , FSO = 44.1 [千赫] ) AVDD = DVDD = 3.3 [V] ,输入电平= -60 dBFS的] ,鳍= 1 [千赫]
+0
-10
-20
-30
-40
-50
-60
-70
-80
d
B
F
S
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
-200
20
50
100
200
500
Hz
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图7. FFT图(输入电平=
−60[dBFS])
<KM085601>
-8-
2006/11