Radio Shack 22-502 12VDC unregulated linear power supply (2000) @themaritimegirl
Radio Shack 22-502 12VDC unregulated linear power supply (2000)  @themaritimegirl
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

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Radio Shack 22-502 12VDC unregulated linear power supply (2000)

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