Select high frequency PCB materials from requirementsElectrical requirements, matched-condition data, process compatibility and release evidence form a repeatable material-selection sequence.Select high frequency PCB materials from requirementsStart with the circuit task, then compare candidates under equivalent conditions.Electrical requirementFrequency / loss / phase / impedanceComparable dataMethod / construction / temperatureManufacturing fitCopper / drilling / bonding / panel useRelease evidenceCoupon / traceability / change control³Ô¹Ïtv engineering illustration · not a production record · not to scale