Really simple, really nice. I like the innovative way they achieved the RF quadrature: they did it by splitting and phase-shifting the RF signal, not the VFO signal. I also like Peter's use of the AM broadcast signal to demonstrate the sideband suppression. Then, SSTV for icing on the cake.
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Tube Radios • Re: Toroid vs slug tuned coil
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Thank you, Kalee20! My problem is more of unstable capacitance. I keep
tuning to different stations!
The regen using this perhaps non-spec core seems as st...
2 hours ago
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