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.
Mean Well 480W HVG-480 LED drivers can be purchased from Mouser Electronics. These drivers operate with...
This sixty Japanese commercial radio used 6 transistors in a superheterodyne configuration for...
Found in the 1989 Radio Electronics Experimenter magazine, this circuit uses several transistors, one of...