1.3.2. Digital Circuits

Try these first

1. 1.

   Define an analog circuit.

   Hint

   Think about how the signals behave.

2. 2.

   What does a DAC do?

   Hint

   Recall the direction of conversion for DAC.

3. 3.

   What type of signal is characterized by continuous changes?

   • Analog
   • Digital
   • Both

   Hint

   Think about how signals transition smoothly.

4. 4.

   A DAC is responsible for converting which type of signal?

   • Analog to Digital
   • Digital to Analog
   • Both

   Hint

   Remember the flow of signals in terms of conversion.

5. 5.

   Describe the role of mixed signal circuits in a mobile phone. How do they utilize both analog and digital signals?

   Hint

   Consider the functionalities of a mobile phone.

6. 6.

   Given a scenario of using a temperature sensor in a smart device, explain the signal flow from the sensor to the display.

   Hint

   Trace the path of data from analog input to digital processing.