The integrated circuit used in this project is not common today, as it was obtained in the Linear Applications Handbook of the National Semiconductor of 1994.
This circuit was published in an English magazine from 1977, but it can be easily assembled since...
The maximum current of this circuit is 1 A. The circuit is from Motorola Linear Interface ICs from...
This circuit is a handset receiver that picks up the signal emitted by a coil under the rug or...