This simple source uses two 2N3055 transistors that must be equipped with good heat sinks. The source has no protection, only an input fuse. The diodes are for 5 A x 50 V or more.
This transmitter for the 40 meter or 7 MHz band was found in a magazine 73 for radio amateurs of...
This sinusoidal oscillator was found in Radio Electronics in 1989. It uses a 741, but other...
This circuit changes the actuation curve of a 47k or 50k linear potentiometer so that it becomes...