MM0704, Lesson 2
7.
What frequency has been reached if attenuation increases very rapidly?
a.
Cutoff.
b.
Saturation.
c.
Resonant.
d.
Emergency.
8.
To which band of frequencies are the series and parallel resonant circuits in a band-rejection filter tuned?
a.
At those that are not desired.
b.
Above those that are not desired.
c.
Below those that are not desired.
d.
Above and below those that are not desired.
9.
What is the purpose of L3-C3 in the T-section of the band-pass filter in figure 2-17?
a.
To match the input and output impedances.
b.
To match the input and output currents.
c.
To short the desired frequency to the reference.
d.
To short undesired frequencies to ground.
Figure 2-17. T-Section Filter.
10.
Which condition describes the L-section, low-pass filter load with respect to its source?
a.
Capacitance in series and inductance in parallel.
b.
Inductance in series and capacitance in parallel.
c.
Capacitance and inductance in series.
d.
Capacitance and inductance in parallel.
54
Previous Page
