Based on Texas Instruments documentation, this circuit serves for sensor interfacing. The circuit is based on the LF411, but other operational ones can be used.
This circuit that uses potentiometer tuning, was found in a documentation from the 80's. The...
Another electronic ignition circuit for cars with positive ground. This circuit is from a Radio...
The MC4741 integrated circuit consists of four operational amplifiers similar to the 741 in a...