This circuit decodes a two-bit value into four outputs (one of four). The circuit must be powered by a voltage of 5 V.
The battery charger suggested in the figure has its current limited by resistor R1. This component may...
This interesting 80's EDN circuit divides the input pulse frequency by a number given by n...
This circuit was found in a 1969 CQ magazine. It is intended for coupling telephones to radio...