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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Capacitor distortion is difficult to measure. posted by sser2 on May 8, 2017 at 14:27:11:
...You mention DA as a possible source of "capacitor distortion". I've wondered about this because the theoretical model of DA is relatively simple and should be very easy to simulate in spice or maybe even wire up and measure...at least at a high level. And yet, at this point I've never seen this done WRT audio apps. DA is a known issue with certain analog circuits like S&H and integrators but I'm not sure what's known transfers well to audio.
FWIW, the non-electrolytic caps that exhibit the greatest DA using my somewhat crude technique are the Russian K40s, esp after exposure to temperatures of say 150F. For this reason I've been reluctant to use them.
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Follow Ups
- Interesting, esp DA... - Steve O 18:18:41 05/08/17 (5)
- DA modeling - sser2 19:38:45 05/08/17 (4)
- "I doubt its usefulness in calculating distortion"... - Steve O 20:29:10 05/08/17 (3)
- RE: "I doubt its usefulness in calculating distortion"... - Triode_Kingdom 09:52:24 05/10/17 (0)
- "To prove harmony with algebra" - sser2 22:52:31 05/08/17 (1)
- Change over voltage - Triode_Kingdom 09:55:46 05/10/17 (0)
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