We found this good amplifier in a Japanese publication of 1966. Transformers are uncommon nowadays and the power supply is included. Power is a few watts.
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...