Practice Fixed Bias (JFET/D-MOSFET) - 2.7.1 | Module 2: Amplifier Models and BJT/FET BiasingV | Analog Circuits
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2.7.1 - Fixed Bias (JFET/D-MOSFET)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the relationship between VGS and ID in a fixed bias circuit?

💡 Hint: Consider how VGS affects drain current.

Question 2

Easy

Define IDSS in the context of fixed bias.

💡 Hint: Think of IDSS as the upper limit for ID.

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 does VGS represent in a fixed bias configuration?

  • Gate current
  • Gate-source voltage
  • Drain current

💡 Hint: Consider the roles of gate and source in a transistor.

Question 2

True or False: Fixed bias is known for its excellent bias stability.

  • True
  • False

💡 Hint: Recall the trade-offs involved in bias techniques.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a fixed bias circuit for a JFET with IDSS = 15 mA and VP = -4V, ensuring VGS set at -2V actively operates in the saturation region.

💡 Hint: Remember to use the equation correctly while ensuring the circuit meets saturation requirements!

Question 2

If the temperature causes the pinch-off voltage to change from -4V to -5V, what impact will it have on the drain current assuming VGS remains the same?

💡 Hint: Think critically about how changes in VP affect ID.

Challenge and get performance evaluation