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Re: [802.3_B400G] Symbol based

Thanks for your answer,

It confirms!

Joshua

 

From: richard.mellitz@xxxxxxxxx <richard.mellitz@xxxxxxxxx>
Sent: Tuesday, September 27, 2022 11:23 AM
To: Joshua Kim <joshua.kim.6b@xxxxxxxxxxxxx>; STDS-802-3-B400G@xxxxxxxxxxxxxxxxx
Subject: RE: [802.3_B400G] Symbol based

 

Hi Joshua.

RCos filter uses T and Beta. Where T is the symbol time.  We can use the same equation but replace beta and T with fbeg and fend. Now we are not T based.

 

Ref: Raised-cosine filter - Wikipedia

 

… Rich

 

 

From: Joshua Kim <joshua.kim.6b@xxxxxxxxxxxxx>
Sent: Tuesday, September 27, 2022 12:41 PM
To: STDS-802-3-B400G@xxxxxxxxxxxxxxxxx
Subject: [802.3_B400G] Symbol based

 

Hi Rich,

 

Thanks for your presentation today.

I am still not quite understanding on the terminology.

When you say ‘symbol based’ RC or BW filter, does that mean ‘symbol RATE’ based where fstart and fend more matter than others?

Or do other aspects of Symbol are related?

 

Best,

 

Joshua Kihong Kim

Principal Engineer (Signal Integrity in Photonics)

      

www.hirose.com

2841 Junction Ave. • Suite 200 • San Jose • California 95134

Cell: 408-234-1387 Office: 408-914-4824 joshua.kim.6b@xxxxxxxxxxxxx  www.hirose.com

 

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