We found this circuit in a Popular Electronics from the 90s. It operates at a frequency of 15 kHz. Components can be difficult to obtain, such as the integrated circuit.
This low-power intercom can be powered by solar cells. The circuit is two-way, with an integrated of the...
The advantage of this circuit lies in the fact that it does not need a negative source to generate...
The circuit shown in the figure can be used on a data transfer bus using an appropriate family...