What is the main advantage of using FETs in modulation circuits?

Practice Questions

Q1
What is the main advantage of using FETs in modulation circuits?
  1. Higher power handling
  2. Lower noise levels
  3. Higher gain
  4. Better thermal stability

Questions & Step-by-Step Solutions

What is the main advantage of using FETs in modulation circuits?
  • Step 1: Understand what FETs are. FET stands for Field Effect Transistor, which is a type of transistor used to control electrical signals.
  • Step 2: Know what BJTs are. BJT stands for Bipolar Junction Transistor, another type of transistor.
  • Step 3: Learn about noise levels. Noise in electronics refers to unwanted signals that can interfere with the desired signal.
  • Step 4: Compare FETs and BJTs. FETs usually produce less noise than BJTs when amplifying signals.
  • Step 5: Understand modulation circuits. Modulation circuits are used to modify signals for communication purposes.
  • Step 6: Conclude the advantage. Since FETs have lower noise levels, they are better suited for modulation circuits, leading to clearer signals.
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