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What is the function of a mixer in communication systems?

Practice Questions

Q1
What is the function of a mixer in communication systems?
  1. To amplify signals
  2. To convert signals to different frequencies
  3. To filter unwanted signals
  4. To rectify signals

Questions & Step-by-Step Solutions

What is the function of a mixer in communication systems?
  • Step 1: Understand that a mixer is a device used in communication systems.
  • Step 2: Know that the main job of a mixer is to change the frequency of a signal.
  • Step 3: Learn that this frequency change is important for sending and receiving information.
  • Step 4: Recognize that mixers are used in two main processes: modulation (sending signals) and demodulation (receiving signals).
  • Step 5: Remember that by changing frequencies, mixers help to combine or separate different signals.
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