L64777 LSI Logic Corporation, L64777 Datasheet - Page 46

• Manufacturer Part Number: L64777
• Description: DVB Qam Modulator
• Manufacturer: LSI Logic Corporation

Table 2.1
Table 2.2
2-32
B7
c23.7
–
c24.7
c25.7
–
c26.7
c27.7
–
c28.7
c29.7
–
c30.7
offset.7
–
–
Tap
#0
#1
#2
#3
#4
#5
#6
B6
c23.6
c22.10
c24.6
c25.6
c24.10
c26.6
c27.6
c26.10
c28.6
c29.6
c28.10
c30.6
offset.6
c30.10
–
Phase0
0
0
0
0
3
1
4
Allocation of Coefficient-Bits for Phase 0 (Cont.)
Default Nyquist Filter Coefficients
Modulator Architecture
B5
c23.5
c22.9
c24.5
c25.5
c24.9
c26.5
c27.5
c26.9
c28.5
c29.5
c28.9
c30.5
offset.5
c30.9
–
Phase1
0
0
1
5
1
3
9
B4
c23.4
c22.8
c24.4
c25.4
c24.8
c26.4
c27.4
c26.8
c28.4
c29.4
c28.8
c30.4
offset.4
c30.8
–
Phase2
0
0
1
5
1
3
7
B3
c23.3
–
c24.3
c25.3
–
c26.3
c27.3
–
c28.3
c29.3
–
c30.3
offset.3
–
shift.3
Phase3
0
0
0
1
1
1
1
B2
c23.2
c23.10
c24.2
c25.2
c25.10
c26.2
c27.2
c27.10
c28.2
c29.2
c29.10
c30.2
offset.2
offset.10
shift.2
B1
c23.1
c23.9
c24.1
c251
c25.9
c26.1
c271
c27.9
c28.1
c29.1
c29.9
c30.1
offset.1
offset.9
shift.1
B0
c23.0
c23.8
c24.0
c25.0
c25.8
c26.0
c27.0
c27.8
c28.0
c29.0
c29.8
c30.0
offset.0
offset.8
shift.0
46
47
Reg #
34
35
36
37
38
39
40
41
42
43
44
45
48