e2 e₁ R₂ R₁ Rc=R3//R₂//R₁//Rf See Section 9.6 for offset balancing techniques Figure 4.6 Voltage summation eo=-Rf Optional for bias current compensation 4.1 In the circuit shown in Figure 4.6, input signals e₁, ₂ and e, are applied through input resistors 100 kn, 47 kN and 10 kn respectively. The feed- back resistor has a value 100 kn. Write down the ideal expression for the output signal. If the operational amplifier is assumed ideal except for a finite open-loop gain of 80 dB what is the percentage error involved in the output sum?

e2 e₁ R₂ R₁ Rc=R3//R₂//R₁//Rf See Section 9.6 for offset balancing techniques Figure 4.6 Voltage summation eo=-Rf Optional for bias current compensation 4.1 In the circuit shown in Figure 4.6, input signals e₁, ₂ and e, are applied through input resistors 100 kn, 47 kN and 10 kn respectively. The feed- back resistor has a value 100 kn. Write down the ideal expression for the output signal. If the operational amplifier is assumed ideal except for a finite open-loop gain of 80 dB what is the percentage error involved in the output sum?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter29: Service-entrance Calculations

Section: Chapter Questions

Problem 3R: a. What is the ampere rating of the circuits that are provided for the small-appliance loads? _____...

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