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Questions relating to the construction and applications of operational amplifiers,

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votes
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I plan to use a CT to measure the current on a resistor whose voltage will be controlled by two SCRs in antiparallel. The main function of the CT is to detect an overcurrent in the system to proceed …
asked Aug 20 '18 by Fabián Romo
1
vote
I think one solution is the following: Obviously, it is necessary to calculate the values of the resistors for which, instead of amplifying the signal, it is attenuated for the correct values of th …
answered Jun 17 by Fabián Romo
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There is a design of a circuit proposed in the following way: simulate this circuit – Schematic created using CircuitLab The amplifier has a gain of 80, on R1 when the input voltage is equal t …
asked Jun 14 by Fabián Romo