Dan Koellen AI6XGJun 17, 20226 min readEvaluating efficiency, transformer and mismatch losses in toroid transformers - some observations.Two methods for transformer loss are evaluated. We learn that mismatch loss must be accounted for.
Dan Koellen AI6XGJun 16, 202113 min readDon't Fear the Smith ChartLike many radio amateurs I was initially intimidated by the Smith chart. Transmission line and antenna theory, unfamiliar terms and...