This circuit was found in a 90's EDN. The circuit has a well-known configuration. The voltage obtained depends on the number of diodes. Capacitors depend on the desired current.
This shield circuit is suggested by Motorola, using a 4N26 type coupler and an MC1733 type...
This CMOS oscillator circuit generates signals up to a few megahertz, depending on the capacitor value....
This circuit from Motorola is from 1968, appearing elsewhere on this site. The transistors admit...