Separate the contributors to measured insertion lossRogers PCB RF current temperature rise: Source & Eng…. Engineering illustration, not a production photograph or test result.Separate the contributors to measured insertion lossRogers PCB RF current temperature rise: Source & Eng…Input launchConductorDielectricOutput launchMismatch and radiation can also reduce transmitted power.The dielectric-only calculator models just one contribution.Define measurement reference planes before comparing two boards.