The Operational Amplifier - Op-Amps with negative Feedback

6 important questions on The Operational Amplifier - Op-Amps with negative Feedback

Identify each of the op-amp configurations in Figure 12–63

(a) Voltage-follower
(b) Noninverting
(c) Inverting

A noninverting amplifier has an Ri of 1.0 kV and an Rf of 100 kV. Determine Vf and B if Vout=5 V.

Antwoord

For the amplifier in Figure 12–64, determine the following:
(a) Acl(NI)
(b) Vout
(c) Vf

Antwoord
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Find the value of Rf that will produce the indicated closed-loop gain in each amplifier in Figure 12–66.

Antwoord

If a signal voltage of 10 mV rms is applied to each amplifier in Figure 12–67, what are the out put voltages and what is their phase relationship with inputs?

Antwoord

Determine the approximate values for each of the following quantities in Figure 12–68.
(a) lin
(b) If
(c) Vout
(d) closed-loop gain

Antwoord

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