Advanced Information
WM8753L
HPMODE[1:0] = 10
The filter response is characterised by the following polynomial:
H(z) =
1 – z-1
1 – 0.9375z-1
5
0
-5
-10
-15
-20
-25
-30
0.00
0.01
0.02
0.03
0.04
0.05
Frequency (Fs)
Figure 58 ADC Highpass Filter Response, HPMODE[1:0] = 10
HPMODE[1:0] = 11
The filter response is characterised by the following polynomial:
H(z) =
1 – z-1
1 – 0.875z-1
5
0
-5
-10
-15
-20
-25
-30
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
Frequency (Fs)
Figure 59 ADC Highpass Filter Response, HPMODE[1:0] = 11
AI Rev 3.1 June 2004
84
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