Major milestone. I've reached the bottom of page 41 in the manual where, in small italics, it says "This completes received alignment" :-)
Completing the VFO was fairly trouble free. I could not get the VFO into the required range with L1 as wound (even with spacing out the turns as far as they could go). So I followed the advice in the manual and took one turn of L1. Aligning the Filter Board went much more smoothly, using my FT-847 into a dummy load as a signal generator.
Most radical thing I've done is choose a sidetone frequency of 600Hz. My other rigs are set up for 800Hz but I thought I would try something a bit lower. Maybe it is age affecting my hearing.
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Did some testing with the IMD Meter in my garden near my HF antenna. Field strength was either zero or full scale. IMD was either 'no ...
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Here it is, a combination of the "Practical 7MHz Hartley Oscillator" from Experimental Methods in RF Design (page 4.3) and a buffe...
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