40.1.2. Overall Plan

Try these first

1. 1.

   What is the significance of frequency response in an amplifier?

   Hint

   Think about performance at high vs low frequencies.

2. 2.

   Name one capacitance associated with BJTs.

   Hint

   Consider the terminal connections in BJTs.

3. 3.

   What is Miller's theorem used for?

   • To calculate input current
   • To simplify circuit analysis by splitting capacitances
   • To measure output voltage

   Hint

   Think about how we break down complex circuits.

4. 4.

   True or False: High-frequency capacitances can significantly impact the frequency response of amplifiers.

   • True
   • False

   Hint

   Consider the definition of frequency response.

5. 5.

   Given a common emitter amplifier circuit with a gain of 15 and an input capacitance of 10 pF, apply Miller's theorem to find the equivalent output capacitance.

   Hint

   Be cautious with the gain sign.

6. 6.

   Discuss the consequences of high-frequency capacitance when designing high-speed amplifiers. What should be considered?

   Hint

   Consider how it would affect the signal integrity.