This simple circuit consists of a blinker for a very low consumption neon lamp, found in a 1982 documentation. The circuit can be powered by 110 V for 1N4004 diodes or 220 V for 1N4007 diodes.
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...