https://stream.echo6.co/videos/watch/f347d47e-0aa4-4aa8-9d09-53776decc1fa Doug Ford, former head designer at Rode Microphones explains 48V phantom powering of microphones and how it works. There is a ton of stuff here: Electrostatic and electromagnetic noise, differential amplifiers, common mode noise, transformer magnetisation current, JFET differential driver circuits, balanced impedances, phase splitters, miller capacitance and how it matters, and he explains how the Schoeps amplifier topology works. Forum here: http://www.eevblog.com/forum/blog/eevblog-616-how-microphone-phantom-powering-works/ All the videos in this series with Doug: http://www.youtube.com/playlist?list=PLvOlSehNtuHv98KUcud260yJBRQngBKiw EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ Wed, 10 Jun 2026 00:15:00 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/f347d47e-0aa4-4aa8-9d09-53776decc1fa 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.