Found in an old American documentation, this circuit uses neon lamps as a reference to obtain a 400V output voltage.
Suggested by Motorola in a 1980s publication, this circuit is insensitive to changes in bias...
This circuit applies to any common operational, the time constant for the given values being 22...
The FET used can be an equivalent like the BF245 or MPF102 and the operational one also admits an...