In similar occasion of similar frequency (3.125GB/s) we've declined
IS410 and other, and approved IS620 and Nelco 4000-13. We are checking
no Nelco 4000-12 which is supposed to be electrically equivalent to the
-13 but chipper and LF compliant.

Regards
Ofer Cohen
Manager - Quality Assurance and Reliability
SIEMENS COM FN A SB

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Michael Dunn
Sent: Monday, February 27, 2006 22:40
To: [log in to unmask]
Subject: [TN] High-frequency losses (e.g., SATA)

Hello from a new member.

We're wanting to run 1.5Gbps (differential) SATA signals over a
backplane, and naturally have SI concerns.  The distance will be up to
15".  We're considering IS410 and IS620 (620 has about 2.5x less loss). 

I've tried using calculators from Rogers and Isola, but for some reason,
they only report losses in single-ended lines.

Can anyone share experiences, or suggest other tools that may be of use?


Thanks!!!



Michael Dunn
Sr. Hardware Engineer
Kaleidescape Canada Inc. 
611 Kumpf Drive, Unit 100
Waterloo,  ON N2V 1K8
Canada
Ph: 519-772-6427
Fx: 519-772-6401

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