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Explain how Op-Amp can be used as a summing, scaling and averaging amplifier in the inverting configuration.
written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.3 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Mumbai University > Computer Engineering > Sem 3 > Electronic Circuits and Communication Fundamentals

Marks: 10 marks

Year: Dec 2013
electronic circuits and communication
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written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k

Figure shows the inverting configuration with three inputs $V_a, V_b,\ \ and \ \ V_c$. Depending on the relationship between $R_a, R_b, \ \ and \ \ R_c$ the circuit can be used as a summing amplifier/ scaling amplifier or as an averaging amplifier.

Let $V_a$ be the output voltage. …

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