This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating amplifiers with the same characteristics and the power supply must be symmetrical.
This is a typical point scale or moving bar circuit with the LM3915. We found it in old American...
This circuit simulates the actual departure of a train as the speed increases slowly. The power...
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...