[R-390] Filter repairs

[Graham Baxter]

To clarify, I am measuring between pin one of the socket for V502 and
ground. This gives easy access to the output common to all filters

Graham

On 18/08/07, rbaldwin14 <rbaldwin14 at nc.rr.com> wrote:
> Can you give me a method to determine if my filters are leaking.  Not
> working at all is easy to figure, but I am not sure how to measure or
> quantify the leaking situation.
>
> Thanks
>
> Rich Baldwin
> KD6VK
> ----- Original Message -----
> From: "Graham Baxter" <graham at delphe.co.uk>
> To: "r-390 at mailman.qth.net" <R-390 at mailman.qth.net>
> Sent: Saturday, August 18, 2007 12:40 PM
> Subject: [R-390] Filter repairs
>
>
> > Hi all,
> >
> > Thank you for your kind comments and supportive feedback. I think I am
> > now happy with the latest version of the filter repair article. So,
> > major spelling mistakes excepted, you can consider it stable.
> >
> > The latest version is at:
> >
> > http://www.delphelectronics.co.uk/filter390a/
> >
> > Please refresh your browser and see what you think.
> >
> > If anyone has a proper R390A site and would like to host this, please
> > let me know. I am a bit limited for space.
> >
> > Would you believe I had a third faulty filter? I had not noticed this
> > before because although faulty, the only symptom was blow-by
> > manifesting itself as twittering noises on SSB. I didn't replace the
> > coils in this one, just a good clean, new foam and a new earth strap
> > cured it. I have taken the opportunity to add a couple more photos
> > courtesy of this filter.
> >
> > Take care
> >
> > Graham
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> > 5:43 PM
> >
>
>