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Ideal Values for Operational Amplifier Parameters

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Ideal Values for Operational Amplifier Parameters

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Questions and Answers

What is the typical value of the input resistance in an amplifier circuit?

0.5 V/μs

75 Ω

2 MΩ (correct)

90 dB

In which configuration is the input applied to the inverting terminal of the amplifier?

Non-Inverting Amplifier

Inverting Amplifier (correct)

Substractor

Unity Gain Buffer

What is the ideal value for output resistance in an amplifier circuit?

50 nA

0 (correct)

2 mV

150 μV/V

Which parameter indicates the ability of an amplifier to reject common-mode signals?

CMRR Signup and view all the answers

What does the unity gain buffer do to the input signal?

Passes input signal without change Signup and view all the answers

In a Common Emitter configuration, which of the following describes the relationship between the base current (IB) and the collector current (IC)?

IB < IC Signup and view all the answers

When comparing a MOSFET with a BJT, which of the following statements is true regarding power gain?

BJT has higher power gain than MOSFET Signup and view all the answers

Which of the following statements is true regarding the input resistance of a BJT amplifier in the Common Collector configuration?

The input resistance is low due to the high current gain Signup and view all the answers

Which of the following describes an important difference between BJT and MOSFET in terms of control?

BJT is a voltage-controlled device while MOSFET is a current-controlled device Signup and view all the answers

In an Amplifier design, what does the term 'gamma' represent?

Current amplification factor of the transistor Signup and view all the answers

What does the output resistance measure in an amplifier circuit?

The resistance seen at the output terminals of the amplifier Signup and view all the answers

What is the purpose of k in the context of PSpice determination?

It is a constant related to the geometry of the device. Signup and view all the answers

What does the Input Offset Current of an Op-Amp measure?

The difference between the currents into inverting and non-inverting terminals. Signup and view all the answers

What defines the Common Mode Rejection Ratio (CMRR) of a differential amplifier?

It is the ratio of differential gain to common mode gain. Signup and view all the answers

In an Op-Amp, what parameter is used to describe the change in input offset voltage due to supply voltage variations?

Power Supply Rejection Ratio (PSRR) Signup and view all the answers

Which parameter is defined as the maximum rate of change of output voltage per unit of time in an Op-Amp?

Slew Rate Signup and view all the answers

What does the Power Supply Rejection Ratio (PSRR) measure in an Op-Amp?

The change in Op-Amp's input offset voltage caused by supply voltage variation. Signup and view all the answers