We found this circuit in an American publication from 1977. The circuit drives two LEDs according to the control of the inputs. The technology is TTL requiring 5 V to power supply.
The circuit in the figure uses hall sensors to obtain the current measurement through the magnetic...
This project was found in a 1982 documentation. Super-regenerative receivers can combine great...
This powerful amplifier with 2N3055 transistors at the output provides a few tens of watts rms on a...