Op Amps Flashcards by Anna Court

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Characteristics of op-amps

differential input
high input resistance: V- does not affect the network that defines H and V+ does not affect signal source
low output resistance: system can drive a load without Vo being affected
gain > 100000

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Why cannot inverting amplifiers be used to amplify sources with large thevinin resistances

Input resistor is in parallel with source resistance, if source resistance is large, the input is attenuated and gain is diminished

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What is coupling/decoupling

Coupling: transmitting signals from one place to another
Decoupling: removing signals from the nodes in the circuits

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Op Amps Flashcards

(3 cards)