Category Archives: ugly construction

1st TX IF amp and 2nd RX IF amp done; another circuit board made

Tonight I moved forward again with the Bitx20 Hendricks kit, building the 1st IF TX amp and the 2nd RX IF amp.  The above picture shows the testing done on the RX amp portion with my Altoids “curiously strong” outboard … Continue reading

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Trifilar trauma & construction styles

I decided to turn my focus to the trifilar transformer.  I’ve never really become familiar with these but it looks like the one used in the Bitx mixer is basically a 1:2 turns ratio transformer with a center-tapped secondary.  Maybe … Continue reading

Posted in bitx20, manhattan style, mixer, trifilar, ugly construction | 7 Comments