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grid-driven tetrodes

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    Grid-driven Tetrode Input Circuits

    Been winding Baluns, tidying messy wires & tweaking this & that. Replaced the small core with 1-1/8" core (still mix 43). I'm focused on the RF Input section now. Changes take time to try and what works on a DL is not always good on an antenna. The attached "now" pic file is a diagram of...