Wonderful, congrats Dave,
Wednesday, February 14, 2018, you wrote:
DR> Everyone.
DR> Last night my uBITX took ti's first breath of life. Even worked a couple of
DR> QSOs. Attached are some pictures. Please note that I installed the 4.7K
DR> resister on the radinio board for CW pull up instead of installing it in the
DR> wiring with the CW jack on the front panel. Because of the case size I
DR> removed the heat sinks from the finals and using mica insulators I mounted
DR> them to the back panel. The heat sinks that were supplied had metal ridges
DR> on the back that had to be removed so they could mount flat on the bolts
DR> that fastened the finals to the rear panel.
DR> The radio works on 80 through 10 meters with decreasing power as you go up
DR> in frequency. I get about 15 watts out on 80 down to 5 watts on 20.
DR> The frequency calibration seems to be very close. In performing the bias
DR> adjustment I discovered that I could only adjust the current for each final
DR> to about 83 ma with the pot set fully CCW. So to even the shared current of
DR> the two finals I adjusted them to 60ma each with the total of 120 final bias
DR> current. The little voltage regulator in the final circuit was working
DR> correctly supplying 5 Volts to the bias circuit during transmit. Though this
DR> radio is not in the same league as my Elecraft equipment it is a radio I can have a lot of fun with.
DR> 73 Dave ?KD1NA
73! Zsolt
VE7WQ
73! George
VE7WQ
