Found in old documentation about neon lamps, this circuit produces very low frequency signals that depend on the selected capacitor.
) We found this circuit in the November 1992 issue of Radio Electronics magazine. The 30V power...
This circuit is from General Electric documentation from 1965. The SCR and unijunction transistor may be...
Found in a publication from the 50's, this circuit uses a germanium transistor of the time. The...