[Amps] Plate choke resonance and safe operation

alexeban alexeban at gmail.com
Sun Dec 7 11:42:22 EST 2008


A reasonable estimate would be about +- 10%away from the bands' edges: if
you get a reasonable impedance that far off, you can assume to be safe.
Alex	4Z5KS

SunWolf
"Jesus, come get your kids, they're tearing up my Mother's backyard!"
-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Vic K2VCO
Sent: Sunday, December 07, 2008 6:21 PM
To: OZ1AXG Flam
Cc: Amps reflector
Subject: Re: [Amps] Plate choke resonanse and safe operation

OZ1AXG Flam wrote:
> the RFC is Installed
> 
> I will try to measure the resonans again. For 27 MHZ i did the measurement
3 
> times. A grid dip meter is not the most accurate instrument, so i will try

> it again. but how close is "safe" ? what would the symptoms be at tuneup
if 
> resonans is close by ?

You didn't mention it, but I assume that you know that the choke must be
*shorted* when 
you dip it.

I am afraid that the symptoms are mostly that the choke burns out!
-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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