In the figure we have a circuit that uses unusual components, being indicated for low frequency applications. The circuit signal is generated by a unijunction transistor that oscillates at 8 kHz.
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...
This circuit was suggested by General Electric in 1970 documentation. It makes use of a photo-SCR...
This circuit uses the LED itself as a light sensor to self-activate it. Thus, in the light the LED...