Lors d'un Field Day avec plusieurs émetteurs dédiés à des bandes déterminées, quel type de filtre est nécessaire sur les récepteurs pour minimiser le brouillage?

Why

A Band-pass filter is the right choice because it acts like a gate that only lets the specific frequency you are trying to hear pass through while blocking all other signals from nearby transmitters on different bands. The full explanation — and one for every question — is in Pro.

Practise this section

Interference and suppression is section B-008 of the Basic exam: When things interfere: harmonics, overload, RFI to and from your station, filters, ferrites and how to fix the neighbour's TV.

This question in English · All B-008 questions