NJW1148 New Japan Radio, NJW1148 Datasheet - Page 7
NJW1148
Manufacturer Part Number
NJW1148
Description
Audio Processor
Manufacturer
New Japan Radio
Datasheet
1.NJW1148.pdf
(29 pages)
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DataSheet4U.com
www.DataSheet4U.com
< MIXOUT, LFIN, LFOUT Low Pass Filter Setting >
functions.
LPF cut off frequency and quality factor are adjusted by the external parts and given by the following
fc =
2
π
R
1
MIXOUT
⋅
R
30
1
2
⋅
C
1
⋅
C
R1
2
(Hz)
DataSheet4U.com
C2
R2
LFIN
29
Q =
C1
C
C
1
2
⋅
⋅
R
R
2
1
1
+
LFOUT
C
C
28
1
2
⋅
⋅
R
R
2
1
NJW1148
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