With this circuit it is possible to connect a comparator to a power stage via two wires. The circuit can be used as a voltage monitor, for example.
This circuit was found in an 80's Electronic Design. The frequency depends on the crystal and the...
This quick response game was found in a Popular Electronics from the 80s. It uses only discrete analog...
This circuit was obtained in an Electronics World of 1968. The operational amplifiers ones are...