Podcast
Questions and Answers
What is the process of converting analog signals to digital signals called?
What is the process of converting analog signals to digital signals called?
- Pulse Amplitude Modulation
- Low Pass Filtering
- Analog to Digital Conversion (correct)
- Digital to Analog Conversion
What is the purpose of the low pass filter in the receiver?
What is the purpose of the low pass filter in the receiver?
- To amplify the signal
- To decode and reconstruct the signal (correct)
- To sample the signal
- To encode the signal
What is the duration of the sample pulse dependent on?
What is the duration of the sample pulse dependent on?
- The frequency of the switch control signal
- The duration of the switch being closed (correct)
- The amplitude of the message signal
- The resistance of the switch
What is the name of the modulation technique used in this process?
What is the name of the modulation technique used in this process?
What is the switch control signal shown as in the figure?
What is the switch control signal shown as in the figure?
What is the output of the switch when it is open?
What is the output of the switch when it is open?
What is the primary reason digital transmission has replaced analog in commercial communications applications?
What is the primary reason digital transmission has replaced analog in commercial communications applications?
What is the process of converting an analog signal to digital signal?
What is the process of converting an analog signal to digital signal?
What is the purpose of the digital sampling signal in the figure?
What is the purpose of the digital sampling signal in the figure?
What is the purpose of the micro-switch under the EX-OR GATE module?
What is the purpose of the micro-switch under the EX-OR GATE module?
What is the result of 'naturally' sampling the message at the rate set by the sampling signal?
What is the result of 'naturally' sampling the message at the rate set by the sampling signal?
What is the frequency of the DIGITAL output from the Master Signals module?
What is the frequency of the DIGITAL output from the Master Signals module?
What is the characteristic of digital signals that makes them suitable for transmission in commercial communications applications?
What is the characteristic of digital signals that makes them suitable for transmission in commercial communications applications?
What is the purpose of the electronically controlled switch in the block diagram?
What is the purpose of the electronically controlled switch in the block diagram?
What is the significance of the 2.08kHz SINE output from the Master Signals module?
What is the significance of the 2.08kHz SINE output from the Master Signals module?
Why is sampling required in digital transmission systems?
Why is sampling required in digital transmission systems?
What is the purpose of the oscilloscope in the experiment?
What is the purpose of the oscilloscope in the experiment?
What is the role of the MUX module in the experiment?
What is the role of the MUX module in the experiment?
