This frequency divider by 10 uses discrete components only. Modern equivalent components can be used as the circuit is from an 80's documentation. Nearby frequencies can be used.
This circuit is from a 1976 documentation. It makes use of isolated gate MOSFET which is already very...
This setting appears multiple times on the site from different sources. This is from a 2000 manual...
This circuit uses a current regulator from the 90's. This component is uncommon nowadays. The...