2
Summing Amplifier V1 V2 V3 i3 i2 i1 i Rf 0 0 Vo i a

Inverting and Summing

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Page 1: Inverting and Summing

Summing Amplifier

V1

V2

V3

i3

i2

i1

i

Rf

0

0

Vo

i

a

Page 2: Inverting and Summing

Inverting Amplifier

R1i1

Rf

0V

i2

+Vi

V1

Ingat!1. Tiada arus yang

memasuki op-amp, V = 0

Vo+ V2

1