Practice Upper Cutoff Frequency and Bandwidth Considerations - 51.2.2 | 51. Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part A) | Analog Electronic Circuits - Vol 3
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51.2.2 - Upper Cutoff Frequency and Bandwidth Considerations

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the upper cutoff frequency?

💡 Hint: Consider what happens to the gain of the amplifier at this frequency.

Question 2

Easy

Define bandwidth in the context of an amplifier.

💡 Hint: Think about how bandwidth relates to cutoff frequencies.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What defines the upper cutoff frequency in amplifiers?

  • Gain remains constant
  • Gain drops to 3 dB
  • Power increases indefinitely

💡 Hint: Remember the definition of cutoff in relation to gain.

Question 2

True or False: Bandwidth is the difference between the upper and lower cutoff frequencies.

  • True
  • False

💡 Hint: Think about how frequencies relate to amplifier functions.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a common base amplifier circuit with a specified gain of 150. What parameters must you consider to ensure the bandwidth is sufficient for high-frequency applications?

💡 Hint: Think about the relationship between gain, impedance, and frequency response.

Question 2

Given a common gate amplifier circuit with an input capacitance of 20 pF and a source resistance of 1 kΩ, calculate the lower cutoff frequency if the designed upper cutoff frequency is 10 kHz.

💡 Hint: Resistances and capacitances interact; use their formulas wisely.

Challenge and get performance evaluation