Re: K2 - Adjusting L34 with Spectrogram
Posted by
JT Croteau on
Aug 28, 2007; 6:59pm
URL: http://elecraft.85.s1.nabble.com/K2-Adjusting-L34-with-Spectrogram-tp451833p451836.html
On 8/28/07, Michael J Carter <
[hidden email]> wrote:
> Could the weak(-53 dB) spike just be 2nd harmonic of the audio
> fundamental spike?
No, it was a spurious emission from something but I'm not sure what.
My latest experiment of playing with L34 and SG is much cleaner:
http://tinyurl.com/26hfrbAF Gain was set around 2-o'clock with very little gain on the line
input level of the sound card as shown here:
http://tinyurl.com/2dzho4I can get rid of the noise completely as spectrogram sees it but the
signal drops about -25 dB. I hear white noise along with the signal
when spectrogram sees nothing.
--
JT Croteau, N1ESE - Manchester, NH
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