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| A quick teardown of Capasitor Wizard ESR Meter, a few pictures. |
| << < (4/8) > >> |
| Hydrawerk:
Is this Capacitor wizard someway different from these well-known schematics of ESR meters? https://www.eevblog.com/forum/projects/5-transistor-esr-meter-design/ |
| tom66:
Ah, but this one has a low battery detect. ;D |
| kc9qvl:
How about a look at the component side. :) |
| The Electrician:
It is claimed that the Capacitor Wizard applies a sine wave to the DUT: http://midwestdevices.com/_pdfs/Tnote3.pdf Erik, would you connect a capacitor that's not too big, say a 10 uF electrolytic, to the capacitor wizard and look at the waveform across the cap with a scope to verify if it's really a sine wave? |
| ErikTheNorwegian:
--- Quote from: The Electrician on March 12, 2014, 11:18:52 pm ---It is claimed that the Capacitor Wizard applies a sine wave to the DUT: http://midwestdevices.com/_pdfs/Tnote3.pdf Erik, would you connect a capacitor that's not too big, say a 10 uF electrolytic, to the capacitor wizard and look at the waveform across the cap with a scope to verify if it's really a sine wave? --- End quote --- Will try that tommorow if i get outa bed. ;) (Have no helpers tommorow, so may stay i bed all day if i dont get out mysellf. ) |
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