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10 cards from this deck
Increases the strength of an analogue signal
A=VoutVinA = \frac{V_{out}}{V_{in}}A=VinVout
V−V_{-}V−
V+V_{+}V+
No feedback; very high gain
Feedback from output to input; stabilises gain
Vout=AOL(V+−V−)V_{out} = A_{OL}(V_{+} - V_{-})Vout=AOL(V+−V−)
Infinite
Infinite (no current drawn from inputs)
Output cannot exceed supply voltage limits
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