Updated version for Solid State PA Unit DN-600 ver 2015 year.
In PA Unit can be used MOSFETs:SD2933,SD2943,SD4933, VRF2933. With up to900-1300Woutput power.With using MRF150 or BLF177: up to 600-700W output power.
Unlike previous versions PA Unit forDN-600, this version have additional stabilizing BIAS integrated, increased transformers size. Changed diagram and PCB topology. With those changes, possible to obtain up to1400Won all bands1,5-35MHz.
PA Unit previous version, description and photo, you can find on author website =>

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