The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be powered by two 9-B batteries. Low voltage amplifiers can be used.
This circuit, suggested by Sylvania in a 1956 publication, serves as an experimental stage for a...
Available at Mouser Electronics this component of Diodes Incorporated consists of a voltage...
This 3-channel sequential circuit, but which can be expanded further, uses triacs to drive...