RE: [linrad] OH0 June 12: Rx/Tx measurements

[Leif Asbrink <leif.asbrink@xxxxxxxxxxxxxxxxxxxx]

Hello Gian,

> it would be nice to see, on commercial and homebrew
> equipment, IP3 figures also at 10KHz and 5kHz spacing,
> to have a better idea on how these perform after the
> front end.
I think we can trust the ARRL data for IM3 at 5 kHz 
spacing. 

I have never had any problems with close range 
intermodulation in real life and my feeling is that
it is more of academic interest and therefore not
first priority when doing measurements at a ham meeting.

73

Leif  / SM5BSZ




> 
> 73
> 
> Gian
> I7SWX
> 
> --- Leif_Esbrink <leif.asbrink@xxxxxxxxxxxxxxxx>
> wrote:
> > Hi All,
> > 
> > Like for last years VHF meeting I will bring
> > equipment
> > this year to measure dynamic range properties of
> > amateur
> > transceivers.
> > 
> > Those of you who go there and have a modern rig (one
> > that
> > is still available on the market) please bring it if
> > you
> > can. I am interested in collecting data from several
> > different
> > units of the same model for a Dubus article about
> > typical 
> > performance of modern amateur equipment.
> > 
> > The big problems are sideband noise in Tx and Rx as
> > well as
> > keying clicks and splatter in SSB mode. I am
> > interested
> > in collecting more data like what you can find here:
> >
> http://antennspecialisten.se/~sm5bsz/dynrange/rig_compare.htm
> > 
> > 73
> > 
> > Leif  /  SM5BSZ
> > 
> > 
> 
> 
> 
> 	
> 		
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