Crystal set

{
  "id": "MLC-T-IND-001480",
  "term": "Crystal set",
  "field": "Industrial and trades",
  "definition": "A simple radio receiver that uses a crystal diode to detect radio waves without requiring external power. It relies solely on the power of the radio signal itself to produce sound in headphones. These sets were popular in the early days of radio broadcasting due to their simplicity.",
  "synonyms": [
    "crystal radio",
    "crystal radio receiver",
    "cat's whisker receiver"
  ],
  "subject": "Industrial supplies, equipment, and components",
  "translations": {
    "de": "Kristalldetektor",
    "es": "radio de galena",
    "fr": "poste à galène"
  },
  "url": "https://mlchart.com/terminology/industrial/crystal-set/"
}