This decorative object was found in a Signetics documentation from the 60s. The circuit uses neon lamps and must be powered by a high continuous voltage. The current is extremely low.
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...
This instrumentation circuit was found in the September 1989 issue of Radio Electronics magazine....
This circuit can measure audio output power up to 50 W. The circuit is wired to the output of an...