https://stream.echo6.co/videos/watch/cd36e6e2-082b-4131-bd1d-386d0c9d5c2f In this guest video Bob DuHamel from RSD Academy does a follow-up to my opamp tutorial video explaining with a neat visual aid how the virtual ground on an inverting opamp works. UPDATE: A slightly corrected version is here: https://youtu.be/km6delqG-Dc Check out his channel here and subscribe: https://www.youtube.com/channel/UCOausWDNRDJikQ11gSLj7nA Forum: http://www.eevblog.com/forum/blog/guest-video-bob-duhamel-how-opamp-virtual-grounds-work/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog 💗 Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3 Mon, 04 May 2026 23:10:25 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/cd36e6e2-082b-4131-bd1d-386d0c9d5c2f All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.