Re: uBITX schema relay K1 #ubitx


The only thing I see is that in TX mode the output signal can be coupled, over the two open relay contacts, to the input of the amplifier (it is less then 1pf I think) and there is some gain, resonance?
It will be nice to pull the wire between K1 and K3 to ground, maybe the second contact of K3 can do that? I don't know what the M1 and M2 connections are, in top right the M1 and M2 are grounded.

73, Fred,

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