Using two unijunction transistors, this circuit found in Electronics World generates linear sawtooth signals. The frequency depends on the capacitors being around 500 Hz.
This circuit, from a 1976 National Semiconductor manual, is intended for current in a load using an...
With each clock of the 555 (negative transition) the 4013 (flip-flop) changes state by activating the...
This windshield wiper interval was found in old documentation. The NPN transistor is general...