E)
We found this circuit in a PE Hobbyst Handbook from the 90s. The components are common, except the Geiger tube. The transformer is also a component that requires care when choosing.
This oscillator that operates at 80 kHz was found in the July 1993 issue of Electronics Now...
This circuit is from an Electronics Now, American magazine from December 1992. The magazine no...
This bistable touch sensitive must not be powered by a source without a transformer. The outputs can...