A question about Time axis in Min BER - Optiwave

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This topic has 1 reply, 2 voices, and was last updated 8 years, 10 months ago by alistu.

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- January 13, 2016 at 10:04 am #29167
  
  Duy Le Nguyen
  Participant
  
  Could i ask one question?
  In BER analyzer, what parameters make the end point in Time axis change? I know Bit rate is one, but it’s not enough.
  
  You can see, in this picture, the end point is 0.25 bit period at bit rate is 10 Gbps.
  But when i change bit rate to 8 Gbps, the end point is 0.6 bit period.
  So what parameters make the result changed like that?
  Thank everybody.
- January 13, 2016 at 3:25 pm #29172
  
  alistu
  Participant
  
  Hi Duy,
  
  What is referred to as the end point in the above post (or the decision instant) very much depend on the shape of the system eye pattern of the received signal (which can be interpreted BTW). Please see the eye pattern using BER analyzer and it can be seen how the relation between the two parameters is.
  
  Regards
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