We found this circuit in a documentation from the 70s. The circuit uses amplifiers from the time, but it can be implemented with modern equivalents.
In the figure we show how to improve the performance of an operational amplifier with gain 100...
We found this circuit in a year 2000 documentation. It must be powered by a voltage of 5 V as it...
We found this circuit in a 1982 documentation. Its outputs must be applied to the input of an...