In the inverting amplifier circuit of Fig. 5-11, v 1 (t) is the input and v 2

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In the inverting amplifier circuit of Fig. 5-11, v1(t) is the input and v2(t) is the output. Let Ri = ∞, Ro = 0, and assume the 741 op amp model specified by Example 5.26.

(a) Find the circuit’s input-output relationship in the time domain.

(b) Let v1 (t) = V cos 2πft produce an output v2(t) = V2 cos (2πft −θ). Develop an expression for magnitude gain |V2/V1|vs. frequency.

Data from Figure 5-11

5 R mi B V A U+ R R A (U+- u) S 22 R


Data from Example 5.26

At low frequencies the magnitude open-loop gain of a 741 op amp varies as||A|= q J1+ff)?


where typically a0 = 200,000 and f0 = 5 Hz.

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Schaum S Outline Of Electric Circuits

ISBN: 9781260011968

7th Edition

Authors: Mahmood Nahvi, Joseph Edminister

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