[Top] [All Lists]

SV: [AMPS] G2DAF Circuit

To: <>
Subject: SV: [AMPS] G2DAF Circuit
From: (Tom Rauch)
Date: Sun, 29 Oct 2000 06:27:08 -0500
> Rich said:
> "To avoid choke fires, keep all resonances at least 6% from amateur bands.
>  Choke resonances should be checked with the hv rf choke wired into the
> circuit and not shorted."

Colin said: 
> This is an example of bad information.  The question was about series and
> parallel resonances.  As has been pointed out in other posts, parallel
> resonaces are not bad at all.  In fact, it is desired.  A parallel
> resonance will not result in a choke fire.

Series resonances can only be found by shorting the choke from 
end to end and using a dip meter, or measuring the impedance 
with the choke open but only the bottom connected.

In all cases the choke should be in the final location.

73, Tom W8JI

FAQ on WWW:     
Administrative requests:

<Prev in Thread] Current Thread [Next in Thread>