(a) Design an ideal summing op-amp circuit to provide an output voltage of υO = −2 [(υI 1 /4) + 2υI 2 + υI 3 ]. The largest resistor value is to be 250 kΩ. (b) Using the results of part (a), determine the range in output voltage and the maximum current in RF if the input voltages are in the ranges −2 ≤ υI 1 ≤ +2V,0 ≤ υI 2 ≤ 0.5 V, and –1 ≤ υI 3 ≤ 0V.
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