This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
The integrated circuit used in this application is uncommon today. The circuit converts...
This circuit alternates the activation of two pumps depending on the position of the float. The...
We found this circuit in an Argentine publication from the 1970s. The circuit can be used to...