This constant current charger from 1997 Linear Technology Applications uses common components at the time. The transformer is the critical component, being designed according to the load voltage.
This configuration is very traditional, appearing in several publications around the world. This...
This is the normal configuration for dividing a TTL signal by 7. The 7490 can divide by other...
Found in a 1967 Electronics World, this oscillator changes its tone when objects move in their...