Agilent Technologies J-BERT N4903B Manuale Utente Pagina 60

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Page 60
USB 3.0 Technical
Review
. 2009
Turn on loopback by sending LFPS and required training sequences
The receiver stress pattern is BDAT with SKPs inserted as described in the
standard.
The pattern checker receives the looped stress pattern BDAT and
recognizes bit errors
After sufficient test time the error counter of the pattern checker is read
Pattern Generator: J-BERT, ParBERT


.
Pattern Generator
1.
2.
Pattern Checker
3.
Error
Counter
Receiver Test Procedure
External Error Counter
Pattern Checker: JBERTB SER or USB Protocol Analyzer
or Ellisys USB Explorer,
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