QUESTION 1 A Transfer Function is... the ratio of output voltage over input volt
ID: 2084049 • Letter: Q
Question
QUESTION 1
A Transfer Function is...
the ratio of output voltage over input voltage.
the ratio of output current over input current.
the ratio of output current over input voltage.
any of the above.
QUESTION 2
A Bode Plot is a plot of the magnitude and phase of a Transfer Function plotted on a linear scale.
True
False
QUESTION 3
At frequencies above the break frequency, the magnitude of a simple pole is plotted as:
-40 dB/decade.
+20 dB/decade.
-20 dB/decade.
+40 dB/decade.
QUESTION 4
At frequencies above the break frequency, the magnitude of a quadratic zero is plotted as:
-40 dB/decade.
+20 dB/decade.
-20 dB/decade.
+40 dB/decade.
QUESTION 5
The Bode plot for a constant gain of 12 is poltted as a strait line at...
20 dB.
-20dB.
21.58dB.
-21.58dB.
QUESTION 6
At a certain frequency, the magnitude of a Bode Plot is 6dB. What is the gain at this frequency?
2
1/2
6
1/6
QUESTION 7
A parallel RLC circuit has R=100 KOhms, L=20 mH, and C = 5nF. What is the resonant frequency?
99 rad/sec
100 krad/sec
101 krad/sec
2 krad/sec
QUESTION 8
How large does Q need to be in a series RLC circuit to assume that the half-power frequencies are equally spaced from the reasonant frequency?
> 1
> 10
> 100
> 1000
QUESTION 9
Which of the following are limitations of passive filters?
The perform poorly at frequencies below 3000 Hz.
They use bulky/expensive inductors.
They cannot generate a gain greater than one.
All of the above.
QUESTION 10
To create a bandpass active filter, we...
cascade a low-pass, a high-pass filter, and inverting amplifier.
connect a low-pass and a high-pass filter in parallel and add the results with a summing amplifier.
none of the above.
the ratio of output voltage over input voltage.
the ratio of output current over input current.
the ratio of output current over input voltage.
any of the above.
Explanation / Answer
1) any of the above.
2) false
3)-20 dB/decade
4) +20 dB/ decade
5) 21.58 dB
6) 2
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