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Re: terrys scope antenna



Original poster: "Paul Benham" <paulb@xxxxxxxxxxxxxxxxxxxx>

Hi Terry,

If you connect 50R to the scope end you will not get a flat frequency
response, even though you are then terminating the cable correctly.  It
needs the high impedance of the scope to work correctly.

Cheers,

Paul.

----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Wednesday, February 09, 2005 9:44 PM
Subject: Re: terrys scope antenna


> Original poster: Terry Fritz <teslalist@xxxxxxxxxxxxxxxxxxxxxxx> > > Hi Again, > > I took some pictures and details of the one I use now. It just has the > voltage side and needs no etching. If you have the parts you can make it > in a 1/2 hour. Since the front is solid copper instead of "fingers", the > frequency will not go way up to 100MHz, but who cares ;-) > > http://hot-streamer.com/temp/NewerSimplePlaneWave.pdf > > Use tiny but leaded parts. Surface mount parts just bust up too > easy. This new one is super easy to make and very hard to break. I use it > all the time. It likes 50 ohm coax back to the scope which should be > terminated at 50 ohms too, but I usually don't worry about that. > > Cheers, > > Terry > > --------------------------- > > Hi Colin, > > They are here: > > http://hot-streamer.com/TeslaCoils/MyPapers/planant/waveant3.html > > I continue to like the plane wave antenna's very much!! These days I just > use a simple but tougher version. I can post a few pics later. > > Cheers, > > Terry > > At 11:13 AM 2/9/2005, you wrote: > >hi terry and all, > > i remeber reading a couple of years ago about a scope > > antenna terry built so he could watch it on a scope at a distance(planar > > perhaps?) anyone know eher the plans went as i cant find them now? > >many thanks > >colin heath > > > > > This message has been scanned for viruses by MailController - www.MailController.altohiway.com >