RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
1070
11-5
Table 11-1. PDE Poles and Zeros
Section Number
Poles
Zeros
1
0.794 @ 1215 Hz
1.26 @ 1215 Hz
2
0.798 @ 1728 Hz
1.25 @ 1728 Hz
3
0.793 @ 2241 Hz
1.26 @ 2241 Hz
4
0.830 @ 2713 Hz
1.27 @ 2713 Hz
Table 11-2. PDE PRAM Access Codes
Parameter
AREXx
BRx
CRx
IOx
ADDx
Read Reg. No.
Default Value
(Hex)
Default Value
(Dec)
a01/2
0
0
0
0
C6
0, 1
285C
0.31531771
a02
0
0
0
0
C8
0, 1
516C
0.63611724
a03
0
0
0
0
CA
0, 1
50A5
0.63002045
a04
0
0
0
0
CC
0, 1
4FB4
0.62269083
a11/2
0
0
1
0
46
2, 3
B8D1
-0.55611875
a21/2
0
0
1
0
47
2, 3
C000
-0.50000000
a12
0
0
1
0
48
2, 3
A8FF
-0.67972752
a22
0
0
1
0
49
2, 3
8000
-1.00000000
a13
0
0
1
0
4A
2, 3
EAD7
-0.16531356
a23
0
0
1
0
4B
2, 3
8000
-1.00000000
a14
0
0
1
0
4C
2, 3
291D
0.32118352
a24
0
0
1
0
4D
2, 3
8000
-1.00000000
b11/2
0
0
1
0
C8
0, 1
472F
0.55611875
b21/2
0
0
1
0
C9
0, 1
D7A4
-0.31531771
b12
0
0
1
0
CA
0, 1
5701
0.67972752
b22
0
0
1
0
CB
0, 1
AE94
-0.63611724
b13
0
0
1
0
CC
0, 1
1529
0.16531356
b23
0
0
1
0
CD
0, 1
AF5B
-0.63002045
b14
0
0
1
0
CE
0, 1
D4EA
-0.33660000
b24
0
0
1
0
CF
0, 1
AA61
-0.66890000
1070F11-5
5
4
3
2
1
0
-1
-2
-3
FREQUENCY (Thousands of Hz)
GAIN RESPONSE
GAIN (dB)
0
1
2
3
4
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
FREQUENCY (Thousands of Hz)
DELAY RESPONSE
DELAY (msec)
0
1
2
3
4
Figure 11-5. Digital Cable Equalizer Frequency Response
Summary of Contents for RFX144V24-S23
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