46.2. Analysis of the Common Collector Amplifier

Try these first

1. 1.

   What is a common collector amplifier also known as?

   Hint

   Think about its other popular name.

2. 2.

   Is the voltage gain of a common collector amplifier typically greater than one?

   Hint

   Consider the definition of voltage gain.

3. 3.

   What is the primary characteristic of a common collector amplifier?

   • High output resistance
   • High input resistance
   • Low input voltage

   Hint

   Focus on what makes this configuration advantageous.

4. 4.

   True or False: The voltage gain of a common collector amplifier is usually close to 1.

   • True
   • False

   Hint

   Recall why low gain is useful.

5. 5.

   Design a small-signal common collector amplifier circuit with specified parameters: an input voltage of 500mV, a base resistor of 100k ohms, and a collector resistance of 1k ohms. Calculate the expected output voltage.

   Hint

   What is the gain of a common collector amplifier?

6. 6.

   If a common collector amplifier has an input capacitance of 10nF and a frequency of operation of 1kHz, discuss how this affects the amplifier's performance.

   Hint

   Consider the frequency response and its relation to capacitance.