Found in a 1968 Motorola manual, this DC circuit uses components from the era. The circuit fires in microsecond times. The Q3 transistor must be according to the controlled load.
This complete single cell protection system is suggested by Linear Technology in its 2005 manual....
This circuit generates a train of pulses that depends on the time that is pressed PB and the value of...
This oscillator generates a signal of approximately 400 Hz, which has its symmetry adjusted...