[Amps] amp rf chokes

[wb8jkr at juno.com]

  Checking with the choke open indicates where it would 
work BEST, terminals shorted indicates where it would
work worse, actually probably burn up. However as soon
as you mount the choke in the compartment and hook it up
all those bets are out the door.

73,  Mark  WB8JKR


On Fri, 7 Feb 2003 07:45:46 -0500 "carl seyersdahl"
<carlseye at tampabay.rr.com> writes:
> In searching for some answers to problems of low rf output on 10 
> mtrs. I ran
> some tests on the plate choke and here's what I found. With ends 
> shorted I
> found a deep dip at 20.8 mc.- -34.00 ---and 25 5 mcs.
>    With the ends open I found deep dips at 20.5 and 27.00 mcs. My 
> handbooks
> all say to short the ends for these tests but say nothing about the 
> results
> with the ends open. what I need to refresh my feeble brain is 
> whether any of
> these findings could result in low power on 15 and 10 mtrs.The 6% of 
> freq.
> that I often hear seems to say "not to worry", but does anyone have 
> any
> comments on my findings ???
>   carl / kz5ca
> 
> 
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> 


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