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Old April 8th 07, 01:22 PM posted to rec.radio.amateur.homebrew
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First recorded activity by RadioBanter: Nov 2006
Posts: 10
Default simple(?) question...


"Dave" wrote in message
...
Hmmm. Okay, well, could the problem be the monolithic ceramic caps I
used? Something is creating a boatload of harmonics, and that's the only
other component besides the transistors themselves.

Thanks much for the input...

Dave



Hi Dave,
This post mentions something that I did not perceive from your first post.
You mention a 'boatload of harmonics". As I understand it, the MFJ-1020A is
an active antenna circuit, but I don't have any details.
How are you noticing these "harmonics"? If you are hearing them from the
receiver this circuit is feeding, my guess is that either the active antenna
or the receiver front end is being overloaded and driven into non-linearity.
I would suspect the active antenna.
Can you provide more information? Where are you located, urban or rural?
What kind of system is this circuit a part of?

Bob







 
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