The purpose of this 1967 Philips circuit is to produce a rectangular signal from a sharp pulse. The circuit makes use of an unusual component today as a base.
This circuit was found in an English operational documentation from 1970. The circuit can be...
This circuit is from a 1974 publication. It generates a pulse with several sinusoidal cycles from...
This solar cell driven circuit makes 4 LEDs run at a speed given by capacitor C2. The circuit is...