This bidirectional motor control was found in an 80's Electronic Engineering. The circuit uses a component of the time and is suitable for motors up to 1 A.
August 2017 - Mouser Electronics is offering a new range of Ohmite ceramic heat sinks. The new...
Three LM158, LM258, LM358, or LM2904 operational amplifiers are used in this instrumentation amplifier....
Found in old American documentation, this circuit can divide the frequency of a signal by 2 or 3...