Hi As part of your “simple replacement” … keep in mind that it needs to act both as a multiplier *and* as a mixer. The two modes need to be reasonably separate from each other or you (likely) get a real mess.
Bob > On Oct 25, 2020, at 4:26 PM, Ulf Kylenfall via time-nuts > <[email protected]> wrote: > > > Disassembled the surplus Rx cell by first disconnecting > the short jumper cable and then unscrewed the brass > part. Inside was a tiny diode, color coded "391" > as have been previously discussed in a thread some years ago. > > I recon that if a diode would some time in the future breakan external > multiplier featuring modern semiconductorsshould not be that hard to design > and connect directlyto the loop in the other end of the jumper cable. > > Actually, I was expecting something in a tiny ceramic > package with a UNF thread in one end and a gold plated > cap in the other. Not anything that looked like a 1N4148... > I could see that the bottom coax part of the SRD assembly > had been filled with curing silicone after the diode had been put in place. > Removing/replacing it would require using a drilland fixture but it should be > doable without > cracking the glass... > > Ulf Kylenfall > SM6GXV > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
