https://www.youtube.com/watch?v=OiA4z_Kpgg4&fbclid=IwAR02q5m8P4tV8v8b_oC1ML6Twm3NNWPcbIYi_5iDMW5nyTWXqs0EGO4JICA
This clip shows a WFC with solid state circuitry, recently built in the UK by Dave Lawton and currently undergoing testing. It is using less than 60 Watts of input power, pulsed at 3 KHz.
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