This 9-pixel circuit has been implemented with 9 LDRs and can be coupled to a processing system for an elementary artificial eye. The circuit is from Radio Electronics, November 1986.
This is a 6-transistor transistor receiver manufactured in the 60s. The circuit is a...
This circuit is from a 2005 Linear Technology publication. It converts current into load sensing...
The circuit in the figure is an amplifier with gain 10 for alternating signals using the 741. The...