This circuit was found in an Elektor from the 90s. The circuit uses common components even today, requiring a symmetrical power supply.
Found in a 90's EDN, this circuit changes the phase of a signal from 50 to 60 Hz in 120 degrees. The...
The LS141 integrated circuit is like to the 741, the circuit is from the 1982 SGS linear...
This circuit was found in a 1989 documentation. The circuit directly controls a power load by the use...