Timeline for Preventing spikes in inductor current (probably) caused by lab power supply
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 28 at 3:03 | comment | added | Fabio Barone | The problems you are seeing are being caused by parasitic components that are not shown in your schematic. Do you have any capacitors in the device under test (DUT) which are not shown in your schematic? Please post a photo of your apparatus, showing: 1. Over-all shot showing all electrical equipment, including power supplies, DUT, and measurement equipment. 2. Zoom in to show details of a) DUT, b) connections between DUT and power supply, c) connections between DUT and scope. | |
| Apr 28 at 0:44 | comment | added | Emerson SD | The resistor is a massive variable power resistor, I've asked around and no-one knows that actual part number for it. The inductor is hand-wound, air core. I can't attach a picture now as I'm away from the setup, but I will ASAP. | |
| Apr 27 at 20:25 | review | Close votes | |||
| Apr 28 at 2:09 | |||||
| Apr 27 at 19:15 | answer | added | jp314 | timeline score: 1 | |
| Apr 27 at 8:07 | comment | added | Tim Williams | Please show the circuit schematic (actual components; more than a representative diagram) and layout, preferably with pictures showing arrangement of units (PSU, wiring, EUT, probe(s), scope). What are the inductor and resistor types/part numbers? | |
| S Apr 27 at 4:53 | review | First questions | |||
| Apr 27 at 5:02 | |||||
| S Apr 27 at 4:53 | history | asked | Emerson SD | CC BY-SA 4.0 |