2.4. Weekly Course Plan

Try these first

1. 1.

   What is the primary function of an analog circuit?

   Hint

   Think about what happens to audio signals in devices.

2. 2.

   What does gain refer to in an analog circuit?

   Hint

   Remember what happens to a signal's strength.

3. 3.

   What is the main function of an amplifier?

   • Reduce signal strength
   • Amplify signal
   • Filter frequency

   Hint

   What do you hear when a singer uses a microphone?

4. 4.

   True or False: A low pass filter allows high-frequency signals to pass through.

   • True
   • False

   Hint

   Consider what type of signals you want to keep.

5. 5.

   If an analog circuit has a gain of 10 and inputs a signal of 1V, what is the output signal? Discuss potential issues with non-linearity if the input signal exceeds 0.5V.

   Hint

   Use formula for gain and relate to linear characteristics.

6. 6.

   Design a simple schematic for a low pass filter. Explain its parameters and how it operates in a practical audio circuit.

   Hint

   Understand how to configure R and C values effectively.