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Low-distortion Audio-range Oscillator
Low-distortion Audio-range Oscillator
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Old 18th October 2017, 09:06 PM   #6981
anatech is offline anatech  Canada
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Low-distortion Audio-range Oscillator
If it sounds too good to be true ...
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Old Yesterday, 06:14 AM   #6982
RNMarsh is offline RNMarsh  United States
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Low-distortion Audio-range Oscillator
Quote:
Originally Posted by Bob Cordell View Post
It would be nice to see more detail, even schematics or at least a block diagram in the article. A bit long on boast and short on detail. He gets THD+N of 0.0004% at 1kHz and 0.00075% at 20kHz. This is about the same performance as my THD analyzer designed and built 35 years ago with 5534s.

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Bob
Yes. Not todays SOTA but it looks low cost and maybe easy to build and gives very good performance..... <-100dB re 1v. :-)


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Last edited by RNMarsh; Yesterday at 06:25 AM.
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Old Yesterday, 06:24 AM   #6983
RNMarsh is offline RNMarsh  United States
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Low-distortion Audio-range Oscillator
VK-2 Distortion Meter.pdf



VK-2 Distortion Meter2.pdf




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Old Yesterday, 11:41 AM   #6984
Shinja is offline Shinja  Japan
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A japanese diyer's attempt "http://www.geocities.jp/cxb00463/audio/DIST/Dist_index.html"
Looks so professional.If you have questions reading machine translation text, ask me.

Last edited by Shinja; Yesterday at 11:43 AM.
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Old Yesterday, 01:51 PM   #6985
davada is offline davada  Canada
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I'm in grade K with that one Shinja.
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Old Yesterday, 05:15 PM   #6986
waltzingbear is offline waltzingbear  United States
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its interesting to see the results of the cap distortion test he did. too bad he wouldn't test any new COG or NPO ceramic caps to speak of.

Alan
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