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 1.5 A circuit is from the LM117 manual. The LM350 can be used for higher current, and the...
Found in a 1979 documentation, this circuit measures resistances on 5 linear scales. The precision is...
This circuit was found in the Linear Applications Handbook of the National Semiconductor of 1994....