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 3, 5, 6, 9 and 12 V power supply selected by a switch has a digital indicator of the selected...
The circuit presented is based on the National Semiconductor LM10 operational amplifier, which is not...
The diodes of this circuit are for general use and the less common components can be replaced by...