Review sequence: BGA Routing and Impedance Control³Ô¹Ïtv / ENGINEERING EXPLANATIONReview sequence: BGA Routing and Impedance ControlSet packageportsDraw escapeIncludereturnsExtractgeometryVerifyconstructionKeep the physical revision and the evidence for each decision.BGA RF transition model handoffOriginal schematic. Not production artwork, calibrated data or performance evidence.