[SI-LIST] CTLE Tuning

  • From: "Arnee Jay Aquino" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "arnee-jay.aquino" for DMARC)
  • To: si-list@xxxxxxxxxxxxx
  • Date: Thu, 27 Jul 2017 13:57:59 -0400

Hi All,


When tuning your Active CTLE, there seem to be two camps: 1) set the CTLE’s
peak at fundamental frequency and 2) set the CTLE’s pole and zero to match
the channel’s insertion loss as much as possible (given the limitation of
the amp bandwidth).



Do these come into play: 1) Encoding (no encoding, 8b10b), 2) signaling
(single-ended, differential), 3) channel loss at fundamental frequency, 4)
crosstalk near CTLE response.



What other considerations are made to decide how to shape the CTLE’s
pole/zero response?



Thank you in advance.



Arnee Aquino

Broadcom Limited

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