Q12This circuit is controlled by the chargeoutput from a digital system. This digital signal represent a logic “1” using 2V, and represents a “0” using 0V.The output of the circuit is the signal Vcharge. To charge the battery, Vcharge= 20V. When it is not charging, Vcharge= 0V.
3Complete the following op-amp circuit by i) determining the values of the resistors R1, R2, R3, R4; ii) determining the connection to point A and B.For point A and B, indicate if it should be connected to (i) chargeif (ii) GND or (iii) 20V.
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