SM5843A×1
8fs filter passband response [amplitude gain enlarged]
-0.0001
-0.00005
0.00000
0.00005
0.0001
0.000
0.125
0.250
0.375
0.500
Frequency
(×fs)
Deemphasis filter
Sampling frequency (fs)
44.1 kHz
Parameter
32 kHz
48 kHz
Passband bandwidth (kHz)
0 to 14.5
0 to 20.0
0 to 21.7
Attenuation
≤ ±0.001 dB
0 to 1.5°
Deviation from ideal characteristic
Phase, θ
Passband response with deemphasis ON (logarithmic frequency axis)
0
0
Phase
32kHz
2
4
6
8
-20
-40
-60
44.1kHz
48kHz
Attenuation
32k A44.1k A48kHz
10
10
20
50 100 200
500
1k
2k
5k
10k 20k
Frequency (Hz)
Passband response with deemphasis ON (linear frequency axis)
0
0
Phase
32kHz
-20
-40
-60
2
44.1kHz
48kHz
4
6
Attenuation
32k A44.1k A48kHz
8
10
0
4k
8k
12k
Frequency (Hz)
16k
20k 22k 24k
NIPPON PRECISION CIRCUITS—13
NPC [ NIPPON PRECISION CIRCUITS INC ]
