This circuit makes use of unusual components today. We found it in General Electric documentation from the 1980s. The circuit operates with modulated optical signals.
This isolated shield is from an old documentation, making use of an operational one of the time. It...
We found this transmitter circuit in a 1990s spy book. The coil data is provided along with the...
In this circuit we have the way to use common diodes to obtain low regulated voltages in a single...