Found in an American publication from the 1980s, this circuit can be found in commercial sound equipment of the time. The list with the component values is given next to the diagram.
In fact, this circuit transmits a signal rich in harmonics without any tuning and can be picked up in a...
This buffered version of the previous circuit appeared in an article in the September 1989 Radio...
August 2017 - This new component of On Semiconductor is available from Mouser Electronics. This is an...