For example: Agilent E4440A or Anritsu 68369
SyntheSys Research
SyntheSys Research BertScope 12500A
Bit Error Rate Tester, .1 - 12.5 Gb/S
Category: BERT / Jitter Test
SyntheSys Research BSA12500B
BERTScope S 12.5 Gb/s Stressed Pattern Generator and Error Analyzer
Category: BERT / Jitter Test
SyntheSys Research BSA17500-CSI
BERTSCOPE 17.5 GB/S PATTERN GENERATOR AND ERROR ANALYZER
Category: Protocol Analyzers