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Re: [802.3_ISAAC] Return loss plots for jonsson_3dm_02_09_15_24

Ragnar:

 

Who’s the connector manufacturer and what are the connector part numbers? 

 

Are S-parameters (T-parameters?) available for the connectors?

 

Are comparable simulations being done  for the coax solution as well as for the shielded twisted pair cable solution? 

 

Dr. Edward P. Sayre, P. E,

President and CTO

North East Systems Associates, Inc.

9 Maple Lane

Marshfield, MA 02050

[T]: 781-837-9088

[C]: 978-314-4940

esayre@xxxxxxxx

 

From: Ragnar Jonsson <rjonsson@xxxxxxxxxxx>
Sent: Friday, September 27, 2024 1:32 PM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_ISAAC] Return loss plots for jonsson_3dm_02_09_15_24

 

Hi Ramanjit,

 

I have sent you the S-parameters in a separate email.

 

To answer your question below, the channel is only for the coax cables and the inline connectors. My simulations assumed ideal 50Ohm termination at both ends of the cable. The simulation does not include PCB, PoC, etc.

 

Please let me know if I can provide any further information.

 

Ragnar

 

From: Ramanjit Ahuja <000037e027d2e399-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Friday, September 27, 2024 12:37 AM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: [EXTERNAL] Re: [802.3_ISAAC] Return loss plots for jonsson_3dm_02_09_15_24

 

Hi Ragnar, Thanks a lot for your detailed presentation and sharing the return loss curves. Does this channel include the MDI/ENIS (PCB Traces, PoC, ESD components) as well ? Please let us know the link to the s-param data for this channel, or

 

Hi Ragnar,

 

Thanks a lot for your detailed presentation and sharing the return loss curves.

 

Does this channel include the MDI/ENIS (PCB Traces, PoC, ESD components) as well ?

 

Please let us know the link to the s-param data for this channel, or

alternately  if you can mail it to me directly, it will be very helpful.

 

Thanks and Regards

 

Ramanjit Ahuja

Automotive Serdes Group

Onsemi

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