Question Ri 110kΩ A summing amplifier is shown. a. If va = 1 V, V; =-1 Vand ve =-1 V, find vo. 44 kΩ 27.5 kΩ w 80 ΚΩ 10 V -10 V υξ3.3 kΩ b. Find v, if the current through the 3.3 k12 load resistor is in = 2 mA (don't overthink this one).

PHB79F The Asker · Electrical Engineering

Transcribed Image Text: Ri 110kΩ A summing amplifier is shown. a. If va = 1 V, V; =-1 Vand ve =-1 V, find vo. 44 kΩ 27.5 kΩ w 80 ΚΩ 10 V -10 V υξ3.3 kΩ b. Find v, if the current through the 3.3 k12 load resistor is in = 2 mA (don't overthink this one).
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Transcribed Image Text: Ri 110kΩ A summing amplifier is shown. a. If va = 1 V, V; =-1 Vand ve =-1 V, find vo. 44 kΩ 27.5 kΩ w 80 ΚΩ 10 V -10 V υξ3.3 kΩ b. Find v, if the current through the 3.3 k12 load resistor is in = 2 mA (don't overthink this one).
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AWYZMA

(a) given V_(a)=iv quad find V_(0)= ?{:[v_(b)=-1V],[V_(c)=-1V]:}arrty kcl at node (1){:[I_(a)+I_(b)+I_(c)=I_(f)],[(V_(a)-0)/(44 xx10^(3))+(V_(b)-0)/(27.5 xx10^(3))+(V_(c)-0)/(80 xx10^(3))=(0-V_(0))/(110 xx103)],[(1)/(44)-(1)/(27.5)-(1)/(80)=(- ... See the full answer