Practice Frequency Response Of The Amplifier (37.1.6) - Frequency Response of CE and CS Amplifiers (Part C)

Practice: Frequency Response of the Amplifier

Lesson 37.1.6Frequency Response of CE and CS Amplifiers (Part C)

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9 questions

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6 sample questions

Question 1.
What is the frequency response of an amplifier?
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Think about how changes in frequency affect output.
Question 2.
Define a Bode plot.
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What two aspects does it graphically represent?
3Question 3.
What is the gain of a Common Emitter amplifier represented by?
- -g * RC
- -g / RC
- g * RC
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Recall the formula relating to gain.
4Question 4.
True or False: The lower cutoff frequency is determined by the R-C network.
- True
- False
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Think about the roles of capacitors in frequencies.
Question 5.
Design a CE amplifier with a given specification of mid-band gain of 40 dB, and suitable lower and upper cutoff frequencies of 20 Hz and 20 kHz respectively.
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Use the relationships between R and C to define cutoffs and correlate with gain.
Question 6.
Analyze how replacing a capacitor in a CS amplifier affects the frequency response and suggest appropriate substitutions.
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Consider how different capacitance values affect frequency characteristics.

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