This is a very useful autotransformer circuit on the bench. We found it in the September 1970 Radio Elecronics magazine. The transformer must be according to what you want to feed at the output.
This 80's circuit uses a microcontroller programmed to generate various songs. The circuit can serve...
These are drive circuit using power MOSFETs. We found it in a Popular Electronics from the 90s. |...
This circuit amplifies RF signals up to more than 100MHz and can be used as a booster in...