This circuit was originally suggested by General Electric in 1966 documentation to power decorative high voltage neon lamps. The transformer is 7,500 V for a current of 4 mA.
This radio version with a transistor for a crystal phone was found in a Japanese magazine from...
For the component values used in thisf this circuit, the frequency can be adjusted between 740 Hz and...
This simple source is indicated for voltage regulators of 5 A x 12 V as the one found in CB17141E. The...