1. An ideal op-amp is usually used in circuits requiring very high accuracy. 2. A practical op-amp can be made ideal by compensation. 3. The output impedance of a good practical op-amp is zero ohms. 4. A voltage follower op-amp is used to prevent circuit loading. 5. The value of the open loop gain of an op-amp determines the overall gain of a differential amplifier. 6. The open loop gain determines the overall gain of an averaging amplifier. 7. If a rectangular pulse is applied to the input of a differentiator, the output is triangular wave. 8. The differentiator can be considered as a low pass filter. 9. The output frequeney of an oscillator depends on the frequeney of the input signal. 10. The overall gain of the oscillator must be more than unity when starting oscillation. 11. An oscillator uses a positive feedback to produce all types of waveforms. 12. Sinusoidal waveforms with fixed frequencies can be produced by Wien-bridge oscillator.

1. An ideal op-amp is usually used in circuits requiring very high accuracy. 2. A practical op-amp can be made ideal by compensation. 3. The output impedance of a good practical op-amp is zero ohms. 4. A voltage follower op-amp is used to prevent circuit loading. 5. The value of the open loop gain of an op-amp determines the overall gain of a differential amplifier. 6. The open loop gain determines the overall gain of an averaging amplifier. 7. If a rectangular pulse is applied to the input of a differentiator, the output is triangular wave. 8. The differentiator can be considered as a low pass filter. 9. The output frequeney of an oscillator depends on the frequeney of the input signal. 10. The overall gain of the oscillator must be more than unity when starting oscillation. 11. An oscillator uses a positive feedback to produce all types of waveforms. 12. Sinusoidal waveforms with fixed frequencies can be produced by Wien-bridge oscillator.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

Question

(Write only T or F)
1. An ideal op-amp is usually used in circuits requiring very high accuracy.
2. A practical op-amp can be made ideal by compensation.
3. The output impedance of a good practical op-amp is zero ohms.
4. A voltage follower op-amp is used to prevent circuit loading.
5. The value of the open loop gain of an op-amp determines the overall gain of a differential amplifier.
6. The open loop gain determines the overall gain of an averaging amplifier.
7. If a rectangular pulse is applied to the input of a differentiator, the output is triangular wave.
8. The differentiator can be considered as a low pass filter.
9. The output frequeney of an oscillator depends on the frequeney of the input signal.
10. The overall gain of the oscillator must be more than unity when starting oscillation.
11. An oscillator uses a positive feedback to produce all types of waveforms.
12. Sinusoidal waveforms with fixed frequencies can be produced by Wien-bridge oscillator.

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