The circuit is from an Electronics Hobbyst Handbook from the 90s, being valid for panels of the time, with lower performance. The circuit supplies 2.4V with 125mA current.
This charger was found in an old Motorola manual using an SCR from this company, which, however, can...
This two-stage amplifier has an input impedance of 100 M ohms and a unit voltage gain. It can be...
We found this circuit in an American 1980s documentation, but it can be implemented with modern...