The circuit in the figure is an amplifier with gain 10 for alternating signals using the 741. The circuit is from an article in the Radio Electroics magazine of May 1989.
This step has a gain in the range of 30 dB determined by the control voltage Vagc. The FET can be...
This interesting circuit is for controlling a small robot that searches for a light source. The...
This circuit was found in a French documentation from the 80's. The circuit must be powered by a...