Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 11, Problem 5SQ
In Figure 11–10, the reset button is
a. single-acting normally closed.
b. single-acting normally open.
c. double-acting normally closed.
d. double-acting normally open.
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1. In AM, 50% modulation indicates that
33.3%.11.1%).
of the total transmitted power is in the sidebands (0%,50%
2. To obtain coherent detection in AM receiver, an extra signal is added to the modulated signal, this signal
called
(PLL, IF carrier, pilot carrier, subcarrier).
3. The output spectrum of a
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frequency. (balanced, standard amplitude, SSB, none of the above)
4. When a signal is multiplied by the unit step function,
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negative frequency range is suppressed, the negative time range is suppressed, the positive frequency range
is suppressed).
5. DSB-LC requires coherent detection at the receiver, if the type of modulation is
modulation, over modulation, critical modulation, none of them).
6. A continuous FT indicates a
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signal. (continuous,…
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