[ARC5] Spot switch for the ARC-5 transmitter

[J Mcvey]

 Yeah, I 've done that mod for the ARC receivers, but I'm a bit frustrated with their selectivity for regular usage.I'm trying to pair the transmitters with a R392 which is 10X more sensitive.A BC 348 would probably be a better choice... ( at least it has a CW filter) but I think they killed it during Tx with the AGC and the antenna relay if memory serves...

    On Sunday, September 27, 2020, 12:14:47 PM EDT, David Stinson <arc5 at ix.netcom.com> wrote:  
 
 All my "spot" switch does is open the muting relay
switching line that runs through the six-pin plugs
on the side of the receiver rack.  The receivers can take it.
I turn the BFO on, the gain down and zero-beat the TX or RX,
whichever one I want to spot.
Won't hurt the rigs for the little time it takes.

GL OM ES 73 DE Dave AB5S


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