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Topic: Home Brew ISOTRON
MOSFET

Replies: 12
Views: 84233
PostForum: AM transmitters   Posted: Mon Mar 21, 2005 4:42 pm   Subject: New ISOTRON
I have now completed a new Isotron for the lower part of the MW band on a 160mm PVC waste-pipe.
The pipe is 6 meters height and the distance between the two cap hats is 5 meters.
I wound 160 turns ...
Topic: Home Brew ISOTRON
MOSFET

Replies: 12
Views: 84233
PostForum: AM transmitters   Posted: Sun Mar 13, 2005 10:20 pm   Subject: Home Brew ISOTRON
Hi there all AM enthusiasts.

Today I completed my "do it yourself" Isotron with various results.
My first Isotron is built with a 3 meters PVC drain-pipe with a diameter of 63 mm.

I use a pair ...
Topic: Isotron Performance Report Part I
MOSFET

Replies: 25
Views: 37963
PostForum: AM transmitters   Posted: Sun Mar 13, 2005 9:36 pm   Subject: Re: One Thing I Forgot To Mention...
The antenna can show quite a bit of reactance. The Isotron has a characteristic impedance of 20-200 Ohms depending on environment.
This obviously can cause a mismatch to a 50 ohm transmitter.

...
Topic: Isotron Performance Report Part I
MOSFET

Replies: 25
Views: 37963
PostForum: AM transmitters   Posted: Sun Mar 13, 2005 8:35 pm   Subject: Re: Isotron Performance Report Part I
The Isotron is a real antenna, not a dummy load as some would suggest. Working with the Isotron 200B antenna is quite a learning experience however. If you remember my previous post, I was lamentin ...
Topic: Got my AM MAX 2 today
MOSFET

Replies: 1
Views: 4565
PostForum: AM transmitters   Posted: Sat Feb 26, 2005 2:00 am   Subject: Got my AM MAX 2 today
Got my AM MAX 2 today in the 19 inch box. Unfortunately I did not know about you and bought it from one of the re-sellers under another name.

I had no idea that under the hood, it was PCS Elektroni ...
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