L64724 LSI Logic Corporation, L64724 Datasheet - Page 220

• Manufacturer Part Number: L64724
• Description: Satellite Receiver
• Manufacturer: LSI Logic Corporation

B.2.3 SYM_BW (Timing Loop Bandwidth)
B.2.4 SYM_SWR (Timing Loop Sweep Rate)
B-6
Rs is the symbol rate and M and N are as shown in the following table.
1. Megasamples per second.
Equation B.5
Equation B.5
Equation B.6
Equation B.6
L64724 Application Notes
symbol_bw (KHz)
symbol_sweep_rate (KHz/s)
Rs (MS/s)
7.5 to 3.75
15 to 7.5
3.75 to 2
45 to 15
2 to 1
1
describes the timing loop bandwidth.
describes the timing loop sweep rate.
=
Rs(MS/s) /10
32
M
8
8
8
4
=
0.1 * slow_sweep_rate (MHz/s)
N
8
2
1
1
1