Indicated for checking the operation of small FM transmitters, this circuit was found in an Australian publication from 1991. The components are all common nowadays.
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...
This is a very useful autotransformer circuit on the bench. We found it in the September 1970...
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...