Uploaded March 2025 | Updated September 2026, 2 weeks ago
A look at a vintage bench power supply that's unique in that it's unregulated. Demonstration, a look inside, a discussion of the implications of unregulated linear power supplies, and plans for future modification.
Table of Contents:
00:00 - Introduction
01:56 - Physical overview
05:45 - History
06:55 - Tangent - childhood story
14:01 - History (cont'd)
14:24 - What does unregulated mean? / How linear power supplies work
35:08 - A look inside
39:13 - Demonstration
47:13 - Conclusion / Planned modifications
***
Follow me on Mastodon:
https://tech.lgbt/@themaritimegirl
My videos are made possible in part by support via Patreon:
patreon.com/themaritimegirl
A look at a vintage bench power supply that's unique in that it's unregulated. Demonstration, a look inside, a discussion of the implications of unregulated linear power supplies, and plans for future modification.
Table of Contents:
00:00 - Introduction
01:56 - Physical overview
05:45 - History
06:55 - Tangent - childhood story
14:01 - History (cont'd)
14:24 - What does unregulated mean? / How linear power supplies work
35:08 - A look inside
39:13 - Demonstration
47:13 - Conclusion / Planned modifications
***
Follow me on Mastodon:
https://tech.lgbt/@themaritimegirl
My videos are made possible in part by support via Patreon:
patreon.com/themaritimegirl








