This circuit was obtained in a 1970 engineering documentation. The operational is the 741, but other operational ones can be used. The power supply must be symmetrical.
This circuit was suggested by Philips in 1967 documentation. The circuit receives modulated light and has...
This circuit generates sequence of pulses in order and times determined by the capacitors in pins...
We found this circuit in a 1979 French publication, but it can still be assembled today with...