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Regarding the termination of LTC6955

I looked at the AC-Coupled Differential CML or LVDS (fIN <5GHz) in the datasheet.

Q1:It depends on the transmission line,but the resistance value here is not 160Ω, but 100Ω?

Q2:,the internal differential impedance of the LTC6955 is 250Ω, but it is C-coupled,

I think the ideal connection for AC coupling is as follows, but is it correct?

I look forward to your reply.
Thank you.

add Q1
[edited by: UBOTI at 1:02 AM (GMT -5) on 18 Nov 2021]