L64704 LSI Logic Corporation, L64704 Datasheet - Page 123

• Manufacturer Part Number: L64704
• Description: Satellite Decoder Technical Manual 5/97
• Manufacturer: LSI Logic Corporation

Figure 5.9
PED Slope
Key:
40
30
20
10
0
DDML
NDAML
K
Set K
rad/s/v.
T represents the QPSK symbol duration. Twice the value of the param-
eter CAR_KP determines the resolution of the
be kept above 30 and below 127 for 6 bits of resolution.
Carrier Synchronizer
D
5
is about 10 for C/N = 4 dB (Channel Es/No = 1 dB).
D
= 10, K
CARVCO
10
= 1.8 MHz/V = 11.3 Mrad/s/V and
C/N [dB]
15
20
conversion; it should
25
n
= 32K
5-19