Found in documentation from the 1980s, this highly sensitive circuit is based on the conduction by the presence of gas from an ionization chamber. The components are from the time.
Found in 90s Popular Electronics, this circuit uses common general-purpose transistors in a...
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...
This single-channel remote control transmitter operating in the FM range uses common components and...