[Amps] High temp magnet wire?

[Peter Voelpel]

I tried that choke in my 3x 4-400 amplifier, it immediately went up in smoke
on 17m.

73
Peter, DJ7WW

-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Jim Thomson
Sent: Montag, 10. Dezember 2018 10:24
To: amps at contesting.com
Subject: [Amps] High temp magnet wire?

Date: Fri, 07 Dec 2018 19:21:02 +0000
From: Manfred Mornhinweg <manfred at ludens.cl>
To: amps at contesting.com
Subject: Re: [Amps] High temp magnet wire?

> JI depicts some sky high  Z
> numbers, etc, when he tested that choke  with his VNA.... on all  9 x
>  bands.

<<<Would like to see that. Is it piblished somewhere?

<Manfred

###    https://www.w8ji.com/rf_plate_choke.htm   Excellent writeup.
Scroll to the bottom to see his VNA results.   For choke dissipation 
he is using   RMS  voltage  squared  /    RP.    RMS  RF voltage =  60%  of
loaded  B+. 

##  Note, that  graph at the bottom is NOT the currently produced  choke
that
Ameritron uses... which   btw, is the same one sold by RF parts.    Its also
the same choke
used in the current crop of alpha amps.   The choke depicted in the graph
resonates on 
12.1  mhz  and 15.7 mhz.     The current production choke resonates on 12.5
mhz..and  27.1 mhz.