This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit uses components from the era that can be changed. The current is low.
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...