)
This binary to decimal converter matrix was found in a 1964 General Electric publication. It can be used on modern equivalent circuits, including as a shield.
I found this circuit in a 1980 documentation, but it can be easily assembled with BC548...
We found this alarm in an English publication from 1978. Although the original power supply is 3...
Found in old documentation, this circuit can use modern equivalent components. The signal has good...