[Elecraft] 472KHz transverter for KX3

Tim Hague m0afj at yahoo.co.uk
Thu Jan 24 08:30:38 EST 2013


Hi Dom, I suppose being an 'old boy' I've been used to transverters  that are dumb, I just learnt to ignore the MHz read outs and substituted the correct figures in my head!. I have the K3 as well as the KX3 and have just fitted the transverter output option which gives me 1mW to drive a box.

Best regards, Tim Hague
Skype m0afj.Tim
Sent on my iPad


On 24 Jan 2013, at 11:41, Dominic Baines <dominic.baines at gmail.com> wrote:

> Tim,
> 
> I see two main options...
> 
> 1. Transverter is 'dumb' and is just there attached to the KX3 and no controls (other than basic T/R) come from KX3 to Transverter and you live with a display that is 'offset' by the IF.
> 
> or
> 
> 2. Transverter works with the KX3 menus for Transverters (see the XV etal series) and some of these might be used.
> 
> From a use perspective I suspect it might be 'nice' to have the display read 473KHz etc or whatever frequency you are on and not 28.473 so the offset looks like a minimum and might the selection of the transverter band etc.
> 
> I note that the KX3 does not have a low power output so either there would have to be a manual check that the output power (into the transverter) is only 0.1W (default) still to define the best level or there needs to be an intelligent(?) sense that advises that the power is too high and does not damage it. The menu option XVn PWR sets this.
> 
> 72
> 
> Dom
> M1KTA
> 
> 
> On 24/01/13 10:10, Tim Hague wrote:
>> Dominic please keep us updated, interesting.
>> 
>> Best regards, Tim Hague
>> Skype m0afj.Tim
>> Sent on my iPad
>> 
>> 
>> On 24 Jan 2013, at 09:52, Dominic Baines <dominic.baines at gmail.com> wrote:
>> 
>>> I have started to design and build one for those interested in the band.
>>> 
>>> http://m1kta-qrp.blogspot.co.uk/2013/01/472khz-kx3-transverter.html
>>> 
>>> 72
>>> 
>>> Dom
>>> M1KTA
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