RE: [SI-LIST] : dB losses for different board materials.

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From: Doug Hopperstad (doug.hopperstad@qlogic.com)
Date: Wed Mar 07 2001 - 08:25:56 PST


Can someone tell me where to find a good reference source for the dB losses
for Getek, FR408 and FR4 board materials at varies frequencies. I am mostly
interested in the losses at the 1GHz and above range. One source I found
indicated that FR4 board material had a dB loss of 0.4 per 1". Does this
spec sound correct. I look forward to any and all responses.

Doug Hopperstad
Qlogic

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