EMC Question of the Week: October 19, 2026

time and frequency-domain representations of a sine wave

A 100-MHz sine wave with a peak-to-peak amplitude of 2 volts is measured with a 50-Ω EMI test receiver. A single narrow-band spike is observed at 100 MHz. What is the quasi-peak amplitude of that spike? 

  1. 23 dBm
  2. 19 dBm
  3. 13 dBm
  4. 10 dBm

Reveal Question of the Week - Answer 261019