The cut-off frequency of the circuit shown in the figure is 750 Hz, with the components used. The circuit applies to almost any operational amplifier and the power supply must be symmetrical.
This circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...
This Linear Technology circuit charges a battery from the energy produced by a wind generator that can...
This circuit, already explored on this site, can be applied to other comparators in the same...