Found in the September 1984 issue of Radio Electronics magazine, this circuit uses common components. The trigger characteristics are given by the formula in the diagram.
This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate...
This circuit is from a 1976 publication, but it can be assembled with modern components. For the...
Found in Popular Electronics from the 90's, this circuit consists of an audio oscillator for Morse...