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.
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...
This circuit is based on an operational amplifier that must be powered by a symmetrical source. The...
This circuit is from an old American documentation using LEDs in the rectification. The circuit...