Dan Koellen AI6XGJun 17, 20225 minEvaluating 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 AI6XGMay 16, 20226 minReactive Component Measurement With the NanoVNAExploration of using the nanoVNA to measure inductance and capacitance at frequency of use.
Dan Koellen AI6XGJun 16, 202113 minDon't Fear the Smith ChartLike many radio amateurs I was initially intimidated by the Smith chart. Transmission line and antenna theory, unfamiliar terms and...