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10 cards from this deck
Preserves original polarity while amplifying
Negative feedback
VoutVin=1+RfR1\frac{V_{\text{out}}}{V_{\text{in}}} = 1 + \frac{R_f}{R_1}VinVout=1+R1Rf
1 (cannot be lower than 1)
No current (due to high input resistance)
R1=0R_1 = 0R1=0 or Rf=∞R_f = \inftyRf=∞
1
Interface between high-impedance source & low-impedance load
High input impedance
Low output impedance
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