The non-inverting amplifier has a

Large closed-loop voltage gain

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Small open-loop voltage gain

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Large closed-loop input impedance

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Large closed-loop output impedance

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Solution

The correct option is C Large closed-loop input impedance
In the non-inverting circuit configuration, the input impedance $R_{i n}$ has increased to infinity and the feedback impedance $R_{f}$ reduced to zero. The output is connected directly back to the negative inverting input so the feedback is 100% and Vin is exactly equal to $V_{out} giving it a fixed gain of 1 or unity.

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Similar questions

10^{3}

(V_{0} / V_{s})

2 V / μ s e c

μ s e c .

(Assume that, initially the op-amp has V_{o u t} = 0 V)

\frac{V_{0}}{V_{S}}

An amplifier has open loop gain of A_{O L} = 5 \times 10^{3} . The amplifier is connected by the negative feedback with feedback factor β = 0.01 . If the open loop gain of op-amp decreases by 10% then the closed loop gain decreased by_____%.

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