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: Remote cutoff and sharp cutoff pentode tubes?
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C.R. wrote: ↑
Thu Feb 25, 2021 1:02 am
The Knight Span Master coils do it with high gm 6GM6 pentodes, low gm 6BD6
pentodes, and the very low gm 6DT6. 530K...
2 hours ago
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