ECE 294 - Analog and Digital Lab Quiz

What is the primary function of an oscilloscope?

• To measure resistance

• To generate waveforms

• To supply DC power

• To display images of voltage varying with time

Which of the following is a key advantage of a digital oscilloscope over an analog oscilloscope?

• Real-time waveform display

• Higher precision in measuring resistance

• Lower cost

• Ability to store and process digitized waveforms

What is the purpose of the trigger function in an oscilloscope?

• To amplify the input signal

• To start the electron beam sweep at a predetermined voltage level

• To adjust the vertical deflection

• To change the waveform frequency

What does the AC coupling mode in an oscilloscope do?

• Blocks AC signals

• Allows DC signals to pass

• Blocks DC signals

• Amplifies both AC and DC signals

What is the maximum safe input voltage for the analog oscilloscope described?

• 300 Volts

• 200 Volts

• 400 Volts

• 100 Volts

What is the bandwidth range for the vertical system of the digital oscilloscope?

• 10 Hz to 50 MHz

• Dc to at least 100 MHz

• 5 Hz to 200 MHz

• Dc to 50 MHz

What is the primary measurement capability of an analog multimeter?

• AC voltage

• Frequency

• DC current

• Resistance

What is the accuracy of the DC voltage measurement for the Keysight 34401A Digital Multimeter?

• <±(0.0030% of reading +0.0030% of range)

• ±(0.005% of reading +0.01% of range)

• ±(0.002% of reading +0.001% of range)

• ±(0.04% of reading +0.02% of range)

What is the function of a DC power supply in a laboratory setting?

• To display voltage over time

• To generate waveforms

• To provide a constant voltage output

• To measure AC voltage