L64704 LSI Logic Corporation, L64704 Datasheet - Page 163
L64704
Manufacturer Part Number
L64704
Description
Satellite Decoder Technical Manual 5/97
Manufacturer
LSI Logic Corporation
Datasheet
1.L64704.pdf
(220 pages)
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Figure 7.17
(255, 255-2T)
Code Performance
7.4
Descrambler
Module
Architecture
and Operation
Figure 7.18
is composed of two modules:
Descrambler Module Architecture and Operation
10
10
10
10
10
10
10
10
A module that generates a pseudorandom binary sequence (PRBS)
that modifies the incoming data stream
A control module that properly aligns data with the PRBS
-13
-15
-11
-1
-3
-5
-7
-9
10
-1
shows a block diagram of the Descrambler. The Descrambler
10
Input Byte Error Rate
-2
10
-3
T = 8
T = 5
T = 3
10
-4
MD94.274
7-19
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