crystal detector


crystal detector
/krɪstl dəˈtɛktə/ (say kristl duh'tektuh)

noun
a device used in early radio receiving apparatus for rectifying the alternating currents, consisting essentially of a crystal, as of galena or carborundum, permitting a current to pass freely in one direction only.

Australian English dictionary. 2014.

Look at other dictionaries:

  • crystal detector — n. Radio a semiconductor rectifier used for demodulation …   English World dictionary

  • crystal detector — noun a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier • Hypernyms: ↑detector • Part Meronyms: ↑crystal * * * noun radio : a detector that depends for its operation on the rectifying action of the surface… …   Useful english dictionary

  • crystal detector — kristalinis detektorius statusas T sritis fizika atitikmenys: angl. crystal detector vok. Kristalldetektor, m rus. кристаллический детектор, m pranc. détecteur à cristal, m …   Fizikos terminų žodynas

  • crystal detector — Radio. a device for rectifying a modulated radio frequency signal, consisting of a crystal of germanium, silicon, galena, or the like with a cat whisker contact, permitting a high frequency current to pass freely in one direction only: one of the …   Universalium

  • Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …   Wikipedia

  • crystal set — n. a primitive type of radio receiver with a crystal detector instead of an electron tube detector …   English World dictionary

  • crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

  • crystal — /ˈkrɪstl / (say kristl) noun 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallised quartz. 3. Chemistry, Mineralogy a solid body having a characteristic internal structure and enclosed by symmetrically… …   Australian English dictionary

  • crystal set — noun an early radio receiver using a crystal detector • Hypernyms: ↑radio receiver, ↑receiving set, ↑radio set, ↑radio, ↑tuner, ↑wireless * * * ˈcrystal set 7 [crystal set] …   Useful english dictionary

  • detector — /di tek teuhr/, n. 1. a person or thing that detects. 2. a device for detecting smoke, fire, or some other hazardous condition. 3. a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed. 4.… …   Universalium