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Old 11th April 2013, 10:50 PM   #1721
Salas is online now Salas  Greece
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PicoScope Oscilloscope Software: Spectrum Analyzer Mode

http://www.picoscope.tv/general/spectrum-mode.html
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Old 11th April 2013, 11:21 PM   #1722
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Fabulous. Does this say anything? 10 Hz to 20 kHz
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Old 11th April 2013, 11:23 PM   #1723
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The horizontal is scaled in MHZ. Make that to 20kHz first and give it a -10dbV RMS gen feed at 1kHz. Don't auto sweep it.
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Old 11th April 2013, 11:39 PM   #1724
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Maybe this? But the highs and lows are moving constantly
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Old 11th April 2013, 11:45 PM   #1725
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Turn off the sweep mode. Take out that tick mark. Else its jitter.
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Old 11th April 2013, 11:52 PM   #1726
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I surely have to read up on this. Like this?
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Old 12th April 2013, 12:02 AM   #1727
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Better but too much noise floor. Read how it does log scale horizontal and how it goes to 16bit virtual mode. Maybe it boxcar averages bcs it should be 12dB natively.
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Old 12th April 2013, 12:13 AM   #1728
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I will. I had to undress some belgian consultants by phone and down some beers in the meantime to not go crazy. Sorry for my bad concentration.

One thing about me: im unreachable if only telling me what to do, you have to tell me why, otherwise my cognition doesnt work.

So excuse me fot the dumb question but I have to ask: What are we looking for and how does it show?
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Old 12th April 2013, 12:22 AM   #1729
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We are looking for a clean high signal line and low harmonics on a low enough noise floor. Something in the general looks of the attachment. That one comes from a KT88 power amp I did in the past. You can see the 50Hz hum level, the harmonics of 1kHz, the interference, the general noise level.
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Old 12th April 2013, 12:34 AM   #1730
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Ok thanks. Any hints on those settings?
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