The values of the indicated components in this circuit of a 1967 Electronics World, are for a frequency of 512 kHz. The power can be between 6 and 22 V and the FET is a general-purpose type.
The circuit is from the United States Hands-On Electronics magazine, February 1987 edition. The...
In the figure we have the conventional configuration to use a triac to control a power load from...
This circuit was found in a 90's EDN. The circuit provides two 15 V outputs and one 5 V output...