Quite a few FM receiver projects center around the RDA5807 or TEA5767 ICs, however [Dilshan] has used the QN8035 by Quintic Corporation in his build. A handful of discrete components on a pleasing ...
as square roots of negative numbers appear as an intermediary step. Starting with the quintic however, closed formulas can no longer be found by a theorem of Abel and Ruffini. At that point, the ...