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How Do I Set Up a Multiplexer BER Test?
HP 81200 Data Generator/Analyzer Platform User Guide, Revision 2.1
1 Create a PRWS segment to be used for the DUT input port.
Figure 137
Segment Editor Window
2 Create a PRBS segment of the same order (the same polynomial) to be
used for the DUT output port.
3 Use the Sequence Editor and insert the segments into the sequence.
Figure 138
MUX Test Sequence
The correspondence between the generated PRWS and the expected PRBS
is as follows:
PRWS
1, n+1
2, n+2
3, n+3
4
.
.
.
n
Input Port
Terminal 1
Terminal 2
Terminal 3
Terminal 4
.
.
.
Terminal n
How Do I ... ?
PRBS bitstream
n+1
n
. . . .
4
Time
3
2
1
231
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