43.3.1. Limitations of Common Emitter Amplifier

Try these first

1. 1.

   What happens to the gain of a common emitter amplifier when it is cascaded?

   Hint

   Think about loading effects.

2. 2.

   Name one configuration that can be used as a buffer for voltage mode.

   Hint

   Think of the type of buffer with high input resistance.

3. 3.

   What generally happens to the gain of a common emitter amplifier when cascaded?

   • It increases
   • It decreases
   • Remains the same

   Hint

   Consider how multiple stages interact.

4. 4.

   True or False: A common collector buffer is used in current mode amplification.

   • True
   • False

   Hint

   Think about the distinctions in circuit configurations.

5. 5.

   Analyze a circuit diagram with cascaded common emitter amplifiers; identify potential bandwidth issues and suggest buffer solutions.

   Hint

   Focus on the cascading effect.

6. 6.

   Construct a schematic for a voltage mode amplifier with buffers; explain their impact on gain.

   Hint

   Reflect on the properties of each component.