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Questions and Answers
Which of the following circuits is not typically associated with the application of an ideal op-amp?
Which of the following circuits is not typically associated with the application of an ideal op-amp?
- Transistor Amplifier (correct)
- Voltage Comparator
- Noninverting Amplifier
- Summing Amplifier
What is the primary characteristic of an operational amplifier (op-amp)?
What is the primary characteristic of an operational amplifier (op-amp)?
- Low-gain electronic voltage amplifier with a differential input
- High-gain electronic voltage amplifier with a differential input (correct)
- High-gain electronic current amplifier with a single-ended input
- Low-gain electronic current amplifier with a single-ended input
What is the output potential of an operational amplifier (op-amp) relative to the circuit ground?
What is the output potential of an operational amplifier (op-amp) relative to the circuit ground?
- Slightly larger
- Typically hundreds of thousands of times larger (correct)
- Roughly the same
- Slightly smaller
Which gain is defined as the ratio of the change in output voltage to the change in input voltage?
Which gain is defined as the ratio of the change in output voltage to the change in input voltage?
In which type of amplifier circuit does the input signal appear at the output with the same polarity?
In which type of amplifier circuit does the input signal appear at the output with the same polarity?
What is the primary characteristic of an operational amplifier (op-amp)?
What is the primary characteristic of an operational amplifier (op-amp)?
In which type of amplifier circuit does the input signal appear at the output with the same polarity?
In which type of amplifier circuit does the input signal appear at the output with the same polarity?
Which gain is defined as the ratio of the change in output voltage to the change in input voltage?
Which gain is defined as the ratio of the change in output voltage to the change in input voltage?
What is the output potential of an operational amplifier (op-amp) relative to the circuit ground?
What is the output potential of an operational amplifier (op-amp) relative to the circuit ground?
Which of the following circuits is typically associated with the application of an ideal op-amp?
Which of the following circuits is typically associated with the application of an ideal op-amp?
Study Notes
Operational Amplifiers (Op-Amps)
- The primary characteristic of an operational amplifier (op-amp) is that it provides high gain, high input impedance, and low output impedance.
Gain Characteristics
- The gain defined as the ratio of the change in output voltage to the change in input voltage is the open-loop gain.
Output Voltage
- The output potential of an operational amplifier (op-amp) is referenced to the circuit ground.
Amplifier Circuit Types
- In a non-inverting amplifier circuit, the input signal appears at the output with the same polarity.
Ideal Op-Amp Applications
- The following circuit is typically associated with the application of an ideal op-amp: non-inverting amplifier.
- The circuit that is not typically associated with the application of an ideal op-amp is the follower circuit.
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Description
Test your knowledge of operational amplifiers (op-amps) with this quiz. Explore the behavior of ideal op-amps, voltage gain, current gain, transresistance gain, and transconductance gain. Prepare to explain the operation of an ideal op amp in various scenarios.
