This AC motor driver circuit was found in Motorola's 1968 documentation. No information was given about the characteristics of the transformers used.
This is stage is transformer coupled and was found in na old publication of the year 1958. The...
This circuit is from the magazine 73, for radio amateurs, from the 80s. The circuit uses common...
This indicator circuit used and game machines (arcades) to indicate that the machine is being...