Found in a 90s Popular Electronics, this circuit fires an old flash of xenon from the pulse of light received by a sensor. The trigger, however, is made with a delay given by C2.
Found in the December 1995 issue of Electronics Now, this circuit generates sinusoidal signals. The...
This circuit with transistors of the time was found in the magazine Radio Electroinics of June of...
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...