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Chris Bake

Web Based VIC

Phase Selectable VIC

Utilizing DPDT toggle switches to allow inline phase inversion of each VIC component allow sign...

CrayonXA (My First 9XA)

Learning transistors, power supplies, 555 timers, Schmidt Triggers, AND gates, darlington transis...

Crossover Voltage Switch

   

8XA Alternator Setup

  This was an old attempt at using an unrectified alternator's 3 phase output running from a 1/3...

DIY EMF Detector

Easy homemade EMF probe. I added a piezo buzzer to mine, and found it very helpful to "listen" ...

Magnetic Amplifiers

Bubbles

4 Channel 12AX7 Toroidal Amplitude Modulator

  Early Build pics of the 4 Channel modulator.           

12AX7 Dual Triode operating in Heptode Mode

Truly Analog Amplitude Modulation AND Gating

50W PushPull Tube Amp for driving a VIC

Arduino / ESP32 Projects

Core Permeability

There are 2 inductors on a ferrite core, closed loop U shape. The core's permeability is approx...