This transistorized circuit appeared in a Radio Electronics magazine in March 1958. The frequency range depends on the tuned circuit, being within a few megahertz.
Found in old documentation for radio amateurs, this circuit is intended to excite a MOSFET on the...
The lie detector we presented was created by a professional detective and found in a 1982...
This circuit allows to obtain an output pulse independent, in duration, of the action time on...