Quiz Questions: |
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| 1. |
Amplitude is a term that describes the size of a signal. |
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True |
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False |
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| 2. |
SIGNAL is a general term used to refer to a.c.or d.c. of interest in a circuit; e.g., input signal and output signal. |
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True |
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False |
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| 3. |
What determines the class of operation of an amplifier? |
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Amount of time in which current flows in the output circuit |
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None |
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| 4. |
What are the four classes of operation of a transistor amplifier? |
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A, AB, B, C |
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A, B, C, D |
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A, AB, |
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| 5. |
Figure1-8 represents |
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Adding stages of amplification |
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Direct-coupled transistor amplifiers |
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| 6. |
In direct coupling the output of one stage is connected directly to the input of the following stage.
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True |
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False |
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| 7. |
What is the most common form of coupling?
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RC coupling |
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Transformer coupling |
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| 8. |
There are two types of feedback in amplifiers. They are |
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Positive Feedback \ Regenerative Feedback |
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Negative Feedback \ Degenerative Feedback |
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Both |
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| 9. |
What is one use for a splitter? |
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A phase splitter is used to provide the input signals to a push-pull amplifier. |
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Not the above |
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| 10. |
Figure 1-23 represents |
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Transistor audio amplifier |
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FET audio amplifier |
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| 11. |
What is the bandwidth of an amplifier? |
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Difference between the upper and lower frequency limits of an amplifier |
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Bandwidth of a transformer |
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| 12. |
What are the upper and lower frequency limits of an amplifier? |
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Half-power points of a frequency-response curve |
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Full-power points of a frequency-response curve |
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| 13. |
What is the purpose of R4? |
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A part of the low-frequency compensation network for Q1 |
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A decoupling capacitor for the effects of R2 |
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| 14. |
Figure 2-21 represents _______________. |
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Typical RF amplifier |
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Typical AM radio RF amplifier |
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None |
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| 15. |
A frequency response curve will enable to determine the bandwidth and the upper and lower frequency limits of an amplifier. |
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True |
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False |
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| 16. |
How many inputs and outputs are possible with a differential amplifier as in chapter3? |
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Two inputs, two outputs |
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One input, two outputs |
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| 17. |
Figure 3-8. represents ______________. |
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Single-input, differential-output differential amplifier |
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Single-input, single-output differential amplifier |
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| 18. |
Operational amplifiers are usually high-gain amplifiers with the amount of gain determined by feedback. |
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True |
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False |
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| 19. |
Figure 3-11 represents ____________. |
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Block diagram of an Op-amp |
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Schematics of an Op-amp |
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| 20. |
A magnetic amplifier uses a changing inductance to control the power delivered to a load.
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True |
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False |
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