This circuit from Delta Products was published in the May 1974 Radio Electronics magazine. The circuit consists of a capacitive discharge ignition for 12 V vehicles.
In the figure we have the configuration of a transistor as a temperature sensor. The circuit is...
This power supply provides a 1.5 V voltage from the 6.3 V 6 V secondary of a common transformer. The...
This circuit was found in the July 1992 Radio Electronics magazine. Sensitivity adjustment is made...