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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Re: More DX-60 PTT Wiring
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@W3JKO
If you look at my schematic again, Page 2, it has the PTT relay 1 grounding
the KeyLine, and supplying LV and HVB+ to the speech amp and modulator
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1 hour ago
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