This 5V power supply with a 1.5 to 3 A current was found in Maxim documentation from the 90s. The integrated circuit is the MAX741D.
This circuit decodes FSK signals with frequencies of 1070 and 1270 Hz and can be used in data...
Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no...
We found this circuit in a Popular Electronics from the 90's. The circuit uses three SCRs to...