Ever wondered what happens when you switch on your bench supply, even when its output is set to OFF?

Some supplies produce a nasty spike, powerful enough to damage sensitive circuits 😳⚡️

This #gwinstek GPE-4323 isn’t bad: into a 120R load it peaks at -4V and most energy is gone after 500ns.
Some cheap supplies, however, can be much worse.

So be careful out there and if you have a fancy digital oscilloscope, use some of that fanciness to test how your bench supplies perform. (Spoiler alert: Cheap isn’t always good ☺️👍🏼)

#electronics #testandmeasurement #siglent #hamr #hamradio #engineer #rfengineer #electronicsworkbench #electronicsengineering

The QRPoMeter+ didn't end up being "next" on the bench, but I didn't forget about it!

#HamRadio #ElectronicsWorkbench #QRP #Electronics

The Loveliest Electronics Desk You’ll See Today https://hackaday.com/2023/09/21/the-loveliest-electronics-desk-youll-see-today/ #electronicsworkbench #classichacks #organization #Lifehacks #desk #mdf

Next project on my #HamRadio #ElectronicsWorkbench is a QRPoMeter+ kit from NM0S Electronics!

http://nm0s-electronics.com/qrpometer.html

...continuing (but geez I might spin up my own instance just so I can have a couple thousand characters for a post, since Mastodon doesn't handle multi-toot threading for $#!+... but I digress)...

Also - tubes - so many of the bits and bobs now on this bench are bigger than what would fit in a plastic drawer meant for solid state components.

What are y'all using?

#ShowMeYourPartsStorage
#ElectronicsWorkbench
#TidyWorkspace