A GM tube consists of one anode and one ... a Flier on the Flyback for Your High-Voltage Circuit Design” article. It’s composed of a transformer, a rectifier diode, and a few other passive ...

You could find these in CRT displays and TVs, and they consist of a square ferrite core with a big chunky high voltage overwinding for the CRT anode ... of a flyback driver. The diodes on the ...