Glowing vacuum tubes on the workbench
ON THE AIR — 24/7

Doc. E. Brown
Electronics Lab

Tube amps, ham and CB radio builds, and the circuits that hold it all together, filmed live on the bench, mistakes included.

About the lab

SHACK LOG
Channel doodle logo
CALLSIGN: KP4GYO

Doc. E. Brown Electronics Lab is a workbench channel for anyone who'd rather build the radio than buy it. Expect glowing tubes, smoking irons, and the occasional magic-smoke release.

The lab covers RF tube amplifiers, CB and ham radio projects, and circuits built from scratch. Plus the repairs and restorations that come with keeping old gear alive. Every video starts with a schematic and ends with something that (usually) works on the first try.

What's on the bench

4 CHANNELS
1.8–29.7 MHz

Ham radio builds

HF rigs, antennas, and field setups. From first contact to chasing DX.

26.965–27.405 MHz

CB radio

Repairs, mods, and SWR troubleshooting for the 11-meter band.

RF / PA STAGE

Tube RF amplifiers

Vacuum-tube linear amps; biasing, tuning, and keeping the glow steady.

DC – 100 MHz

Circuit builds

Breadboard to etched board: designing and testing circuits from scratch.

QSL CARD — CONFIRMING CONTACT

Thanks for stopping by the shack

Subscribe to catch new builds, or send a message if you've got a project, a question, or a schematic to trade.

DE: KP4GYO CHANNEL: youtube.com/@DocEBrownElectronicsLab
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73
GOOD
DX