Timeline for How to pimp a cheap power supply
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 4, 2016 at 17:23 | vote | accept | Dukenukem | ||
| Jul 27, 2016 at 20:00 | comment | added | Mark | Tantalum capacitors do not work well at high frequencies. Try a ceramic instead. You don't need to be down at fc=2kHz (which may be detrimental to your audio), as you are targeting noise that is around 50MHz. | |
| Jul 27, 2016 at 19:09 | comment | added | Andy aka | Try putting a load on the output. | |
| Jul 27, 2016 at 19:08 | comment | added | Wesley Lee | radiated noise does not have to be a sine wave.. | |
| Jul 27, 2016 at 18:46 | comment | added | Dukenukem | @Wesley Lee I don't think it is radiated noise because it is not a constant sine waveform but is an oscillation that happens every 15us with a very high frequency and dies in about 500ns. It's like a high frequency heart beat. | |
| Jul 27, 2016 at 17:50 | answer | added | Spehro 'speff' Pefhany | timeline score: 0 | |
| Jul 27, 2016 at 17:40 | comment | added | Wesley Lee | how are you probing your psu? maybe its radiated noise, not conducted | |
| Jul 27, 2016 at 17:33 | review | First posts | |||
| Jul 27, 2016 at 19:27 | |||||
| Jul 27, 2016 at 17:31 | history | asked | Dukenukem | CC BY-SA 3.0 |