Found in a 1990s Popular Electronics, this circuit uses two transistors to boost the power of a 741 with audio signals. The power depends on the transistors used, which can be general-purpose types.
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...
This circuit produces the sound of a motorcycle or an outboard motor. The frequency is adjusted in the...
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...