[Lowfer] Re: New antenna

[Ed Phillips]

Alberto di Bene wrote:
> 
> Frank Gentges wrote:
> 
> > Alberto,
> >
> > I talked to Crystalonics last week. The QST article exhausted their supply
> > of these transistors.  They made a new run of these transistors and they are
> > again available.  [...]
> 
> Frank,
>    thanks for the information.
> I will try to contact them again. I have already built a breadboard version
> of your active antenna using an U310, and it works fairly well, but, as you
> remarked, I have the impression that it could work better, intermodulation-wise.
> So will wait until I get hold of the CP-666 to build the final, properly cased,
> version.   TNX.
> 
> 73  Alberto  I2PHD

	Wonder if anyone has experimented with using some of the power VMOS or
IRC Hexfets?  Many years ago Bill Oxner (?) from Siliconix gave a talk
at Hughes in which he recommended their VMOS for really wide
dynamic-range applications.  Used POWER devices as RF amplifiers and
active mixers.

Ed