Cirrus Logic CRD44600-PH-FB - Manual (Page 30)

CRD44600-PH-FB
30 MAR '05 DS633RD1
-140
+0
-130 -120 -110 -100
-90 -80 -70 -60 -50 -40 -30 -20 -10
d B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
F
igu
re 22.
F
F
T
at
-1
d
B
FS an
d 1
k
Hz.
R
e
d =
PSR Fe
edb
a
c
k
O
ff. Bl
ue
=
PSR F
eed
bac
k
On