Radio kit design for the Four State QRP Group is one of the passions of Dave Cripe, NM0S. As an amateur radio generalist, with a strong discipline and technical background, Dave enjoys a wide range of operating modes and power levels, and home-brewing in addition to mentoring prospective hams through the Boys Scouts of America. NM0S is Eric, 4Z1UG’s guest on QSO Today.
And..
RF Linear amplifier coverd 1.8-30MHz WARC amateur bands , using Chinese FU728F ceramic tetrodes working at Class AB1 driving power:5-50W output:2000W 3rd Order: -34dbc Protection:exceed anode temerture;exceed current(screen and anode);o... Read more
