Instrumentation and Measurement Quiz

What is the primary purpose of an Oscilloscope?

• Produce random electrical signals

• Measure and display Voltage vs Time

• Generate radio waves

• Analyze noise in signals

What does the X-axis represent on an Oscilloscope?

• Voltage

• Time

• Frequency

• Intensity

Which component of an Oscilloscope controls the time scale and position?

• Vertical Scale Control

• Trigger System

• Channel Input

• Horizontal Control

What is the function of a Signal Generator?

• Display waveforms

• Generate repeating or non-repeating electronic signals

• Measure frequency and phase

• Analyze spectral components

Which type of Signal Generator is used primarily for audio applications?

• RF Signal Generator

• Function Generator

• Pulse Generator

• Audio Signal Generator

What is the main function of an Oscillator in a circuit?

• Convert DC to AC signals

• Increase the signal strength of the input signal

• Produce random electrical signals

• Generate a continuous output signal at a specific frequency

What is the Barkhausen stability criterion for an oscillator?

• The output consists of RL components

• The system gain is equal to 1

• The total phase shift from input to output back to input is an integral multiple of 360°

• The frequency range is low to moderate

What is the purpose of a Spectrum Analyzer?

• Study energy distribution across the frequency spectrum

• Generate radio waves

• Measure rise and fall times of pulses

• Produce random electrical signals

Which type of Spectrum Analyzer converts time-domain signals to frequency domain using digital sampling?

• Audio Spectrum Analyzer

• RF Spectrum Analyzer

• Swept Spectrum Analyzer (Analogue)

• FFT Spectrum Analyzer (Digital)

What does the Frequency domain analysis reveal in a Spectrum Analyzer?

• Harmonic content such as out-of-band emissions and distortion

• Signal strength versus frequency

• Voltage and Time information

• Pulse rise and fall times