Antique Tube Tester Restoration

I picked up an old PAC 954-G tube tester from a ham swap meet for $3. The previous owner couldn't speak...

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Single Ended Amp Conversion

I picked up an old tube-based laboratory bandpass filter that was discarded. The challenge in this project...

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Expert Pick

Ohmic Hotdog Cooker for MATE 340 Project+

120VAC meets a hot dog, Interesting science results. Hot dogs are essentially resistors, and when a...

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