EMC Question of the Week: January 13, 2025

Three antenna configurations: 20-cm transmission line, 20-cm dipole, 10-cm dipole

Driven with the same ideal voltage source, between 10 MHz and 10 GHz, which of these antennas produces the highest radiated emissions at its resonant frequency?

  1. 20-cm matched 377-Ω parallel wires (2-cm separation)
  2. 20-cm center-driven dipole
  3. 10-cm center-driven dipole
  4. both (b.) and (c.)

Reveal Question of the Week - Answer 250113