This circuit using only transistors was obtained from Ferranti's 1969 documentation. It can be made from modern transistors. The circuit is 4 bits.
The photosensor integrated circuit used in this circuit is not common today. It is a device that...
May 2017 - The new series of new polymer conductive capacitors from Panasonic OS-COM is already in...
The circuit in the figure is suggested by Texas Instruments in its optoelectronics manual and...