Found in an Elektor from the 90s, this circuit simulates a rotary switch that provides a BCD output from a 1 pole x 10 common position switch. The circuit can be powered by voltages from 3 to 15 V.
This circuit was found in an old publication and can be adapted for use with modern...
The circuit presented generates pulses at regular intervals with the duration controlled by a...
The LS150 is an uncommon high-performance operational amplifier today. The circuit is from old...