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 control circuit for incandescent lamps was found in a publication from the 90s. The circuit uses...
The power supply for this circuit must be symmetrical at 12 + 12 V and the load must be 8 ohms. The...
This practical two-transistor linear motor control idea was found in the September 1962 Radio...