Amateur Extra › E4 Amateur Practices › E4A01
E4A01
Which of the following limits the highest frequency signal that can be accurately displayed on a digital oscilloscope?
Pick an answer to check it.
Answer: A. Sampling rate of the analog-to-digital converter
A digital scope can only show signals it samples fast enough. The sampling rate of its analog-to-digital converter sets the highest frequency it can display accurately.
Tip: Sample rate sets the scope's top frequency.