45.4.3. Output Resistance of Common Collector

Try these first

1. 1.

   Define output resistance in the context of a common collector amplifier.

   Hint

   Recall its importance in signal fidelity.

2. 2.

   What is the typical voltage gain value for a common collector amplifier?

   Hint

   Consider its use as a voltage follower.

3. 3.

   What is the typical output resistance of a common collector amplifier?

   • 0
   • 1Ω
   • High
   • Low

   Hint

   Remember the primary characteristic.

4. 4.

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

   • True
   • False

   Hint

   Think about its purpose as a buffer.

5. 5.

   Design a common collector amplifier with the desired output resistance of 50Ω given a bias resistor of 1kΩ and a load resistor of 10kΩ. Describe how each component influences the overall performance.

   Hint

   Calculate the equivalent resistance using the formula for combined resistors in parallel.

6. 6.

   A common collector amplifier has source resistance of 200Ω and load resistance of 1kΩ. Calculate the voltage division effect on input voltage and its influence on gain.

   Hint

   Review voltage division formulas to derive the input voltage.