Practice Analog Electronic Circuits - 43.1 | 43. Limitation of CE and CS Amplifiers in Cascading - Part A | Analog Electronic Circuits - Vol 2
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43.1 - Analog Electronic Circuits

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does cascading mean in terms of amplifiers?

💡 Hint: Think about how stages work in succession.

Question 2

Easy

What is a buffer used for in amplifier circuits?

💡 Hint: Consider the function of a buffer in a series of amplifiers.

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 is the primary purpose of a buffer in amplifier circuits?

  • Increase gain
  • Reduce loading effects
  • Change frequency response

💡 Hint: Think about what happens when amplifiers are directly connected.

Question 2

True or False: Cascading amplifiers will always increase the overall gain.

  • True
  • False

💡 Hint: Consider the definition of cascading effects.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are given a CE amplifier with a gain of 18 and a bandwidth of 200 Hz. You cascade it with another CE amplifier with a gain of 10 but face a loading effect leading to a gain reduction by 0.5. What is the overall gain and how does the bandwidth change?

💡 Hint: Don’t forget to apply both concepts of gain and frequency response.

Question 2

Design a theoretical circuit with two cascaded CS amplifiers. The first has a gain of 15, and the second has a gain of 12, considering a loading effect of 0.7. How would you calculate the effective gain, and what factors would you identify that may affect the upper cutoff frequency?

💡 Hint: There's a combination of loading and capacitance you need to consider for cutoff frequency.

Challenge and get performance evaluation