Monthly Archives: December 2008

A 72ohm to 50ohm broadband toroidal balun

2008/12/24               日本語は下にあります。 “ A 72 ohm to 50 ohm broadband toroidal balun “  「72オーム / 50オーム 強制バランの製作」   I designed and homebrewed a broadband toroidal balun for 72 ohm balanced to 50 ohm unbalanced for the Hallicraft HT-18 (assembled in 1949).  The balun was … Continue reading

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