| To: | john@kk9a.com, amps@contesting.com |
|---|---|
| Subject: | Re: [Amps] Amp causing RFI |
| From: | Colin Lamb <k7fm@teleport.com> |
| Reply-to: | Colin Lamb <k7fm@teleport.com> |
| Date: | Mon, 3 Feb 2020 16:48:36 -0800 (GMT-08:00) |
| List-post: | <mailto:amps@contesting.com> |
Use an oscilloscope and a spectrum analyzer to see what signal the amplifier radiates. Use a signal attenuator so the signal is not too high of level. There may be some spurs or something else that causes the problem. You could also use a antenna tuner. Most of those attenuate higher signals but not lower ones. See what happens. Try a LC circuit to attenuate lower signals. Colin K7FM _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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