Dean Veröffentlicht am Donnerstag, 26UTCThu, 26 Mar 2020 11:19:10 +0000 26. März 2020 (Letzte Änderung Mittwoch, 24UTCWed, 24 Mar 2021 09:28:46 +0000 24. März 2021) I am retired now but worked as a materials engineer specializing in electronics packaging for 35 years. I worked for Tektronix, Intel, and QORVO. Most of my career has been working on cell phone power amplifiers… Read more…