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Hi all, I agree, that it’s not necessary to put the “automotive burden” on all applications. Typically the closer automotive limits beside other automotive details are covered by the specifications
of the OPEN Alliance. Best Regards Martin ____________________________________________ Martin Miller Senior Manager, Marketing & Applications, Automotive Networking Emmy-Noether-Straße 14, 76131 Karlsruhe| Germany Tel: +49 (0)721 625 37 455
Mobile: +49 162 276 67 04
Fax: +49 (0)721 625 37 469
martin.miller@xxxxxxxxxxxxx |
www.microchip.com Von: Piergiorgio Beruto [mailto:piergiorgio.beruto@xxxxxxxxxxxxxx]
Hi all, I wish to share a thought about the discussion on the PSD mask to meet the EMC / EMI. I think we might be focusing on the wrong problem: currently our objctives say that we shall not
preclude fulfilling automotive and industrial requirements. The upper limit of the PSD mask (which is under discussion) does not actually preclude anything. Implementers are always free to design a PHY with lower PSD to meet automotive requirements. The problem should instead be addressed at the lower PSD mask which, if set too high, could indeed preclude achieving EMI performance. Moreover, I think we really ought to increase the upper level of the PSD mask by at least 6dB in order not to preclude simpler/robust implementations for the industrial and backplane use cases. Maybe we could also suggest a different upper mask that we consider safe (i.e. with enough margin) for the automotive use case. Please if anyone has opinions on this to share, I would greatly appreciate it. Best Regards, Piergiorgio -- Piergiorgio Beruto Senior System Designer Canova Tech Srl. "The Art of Silicon Sculpting" Via Magliotto 2, Campus Savona, Palazzina Branca 17100 Savona (SV), Italy Phone: +39 049 7811065 ext. 265 GSM: +39 333 6333289 Fax: +39 019 264797 Skype: canovatech_pb To unsubscribe from the STDS-802-3-10SPE list, click the following link:
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