This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit generates sinusoidal signals from 15 Hz to 150 kHz in 4 bands, as shown in the diagram.
This circuit lets through the 300 Hz to 3kHz range that corresponds to the human voice. We found it...
This complementary circuit increases the output power of an operational amplifier. Outputs with...
In the figure below we have an interesting circuit for those with a project that requires a...