Cat's whisker

{
  "id": "MLC-T-IND-001006",
  "term": "Cat's whisker",
  "field": "Industrial and trades",
  "definition": "A fine, pointed wire, typically made of a springy metal, used in early radio receivers to make contact with a sensitive spot on a semiconductor crystal. This contact formed a crude point-contact diode, rectifying radio frequency signals into audio. It was a key component in crystal radio sets, requiring careful adjustment for optimal reception.",
  "subject": "Industrial electronics",
  "translations": {
    "de": "Kristalldetektor",
    "es": "bigote de gato",
    "fr": "moustache de chat"
  },
  "url": "https://mlchart.com/terminology/industrial/cat-s-whisker/"
}