This circuit is from an ancient American documentation. The integrated circuit is 741 and the power supply must be symmetrical. The passing band is centered at 1 kHz.
The values of the components in this experimental circuit are those of the previous circuit. The...
The experimental musical instrument with the LM3909 is suggested by National Semiconductor in...
With the values of the components indicated, the circuit generates a 1 kHz signal. The power...