6.3.A. Analog Applications

Try these first

1. 1.

   What is the function of an amplifier?

   Hint

   Think about what amplifiers do in speakers.

2. 2.

   List one application of an analog switch.

   Hint

   What connects different signal paths?

3. 3.

   What primary function do MOSFETs serve in amplifiers?

   • Reducing voltage
   • Increasing amplitude
   • Filtering signals

   Hint

   Think about what amplifiers do with weak signals.

4. 4.

   True or False: MOSFETs can be used as analog switches with negligible power dissipation.

   • True
   • False

   Hint

   Consider the power efficiency of analog switches.

5. 5.

   Design an experimental setup to measure the characteristics of a MOSFET acting as an analog switch. What parameters would you analyze?

   Hint

   Think about how you can measure current and voltage changes.

6. 6.

   Using a MOSFET, create a circuit that functions as a simple audio mixer. Discuss feedback properties that enhance performance.

   Hint

   Consider how feedback loops operate in amplifiers.