Found in a Popular Electronics from the 90s, this circuit presents the difficulty of obtaining the Geiger Tube. The other components are common, admitting equivalents.
This circuit for modeling was found in a 1980s documentation. The SCR can be the TIC106 and the...
An interesting timer is shown in the figure, using one of the 4 NAND gates of the integrated 4001....
This circuit was found in the comparator's own documentation, serving others in the same series. The...