#233: Back to Basics: How to use the 3 terminals of a lab power supply

Uploaded March 2016 | Updated September 2026, 2 weeks ago

A short "back to basics" video on why there are three terminals on a lab power supply (+ - and GND), and the various ways they can be connected. I often get asked about how to setup a split supply for an op amp circuit - so that was the reason for putting this short video together.

#233: Back to Basics: How to use the 3 terminals of a lab power supply | split supply

#263: Using a VNA to sweep an RF Dummy Load | Tektronix TTR506A Vector Network Analyzer

#311: Why are my oscilloscope voltage readings wrong? Top 5 reasons...

#242: How to use an oscilloscope. Plus, seeing signals in antique radios | NJARC

#333: Installation and test of Narrow CW filter in Icom IC-703 - Filter: Inrad #116

#329: Presentation recording: Intro to the VNA and NanoVNA for BayCon 2021

#226: Project Diana 70th Anniversary Special Event | Moonbounce | EME

#413: Cascading Common-Emitter Amplifiers using an Emitter Follower

#348: Quick Tip: What is a connector saver?

#388: Build, tune and test a trapped 20/30/40m End Fed Half Wave antenna

#254: Review: Iso-Tip SolderPro 90 Butane Soldering Iron and hot-air rework / reflow tool

#325: Use NanoVNA and Smith Chart to show effect of adding transmission line length