directv is very popular nowadays... and all those antennas have LNBs
with just the kind of diode you need. so you could climb to your
neighbour's roof and... oh you said BUY. never mind. ;)

hjf


On Fri, 4 Feb 2005 13:57:23 -0500 (EST), Marc Nicholas
<marc@geekythings.com> wrote:
> Where on earth can one buy suitable microwave diodes in small qty? :-(
>=20
> -marc
>=20
> On Fri, 4 Feb 2005, [ISO-8859-1] Hern=E1n Freschi wrote:
>=20
> > check this out: http://home.wanadoo.nl/erwin.gijzen/wifiswr/
> > Also, look for another DIY SWR meter. I can't find it now, but all it
> > takes is a microwave diode and you get DC, which you amplify later an=
d
> > get a nice DC reading.
> >
> > hjf
> >
> >
> > On Fri, 04 Feb 2005 11:36:31 -0500, Marc Nicholas <marc@geekythings.c=
om> wrote:
> >> That's what prompted the question -- there must be a relatively simp=
le
> >> tunnel diode circuit that can be used. But there's no technical deta=
ils or
> >> schematics on that site.
> >>
> >> I also thought about using one of MAXIM's tiny (TSOC or SOT23) ISM b=
and
> >> downconverters, and then smoothing out their still AC output with
> >> rectifier/caps.
> >>
> >> -marc
> >>
> >>
> >> On 2/4/05 10:59 AM, "Alex Harford" <harford@gmail.com> wrote:
> >>
> >>> On Fri, 04 Feb 2005 10:47:56 -0500, Marc Nicholas <marc@geekythings=
.com>
> >>> wrote:
> >>>> Can anyone give me some guidance on a *simple* circuit for detecti=
ng 2.4Ghz
> >>>> microwave (Wifi etc.) and providing DC output? It wouldn't have to=
 be
> >>>> terribly sensitive and I'd prefer it to be pretty passive :-)
> >>>
> >>> There was just such a project on Slashdot yesterday:
> >>>
> >>> http://neil.moon-beam.com/users/kris/index.htm
> >>>
> >>> Alex
> >>
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