释义 |
crystal detector
crystal detectorn. A rectifying detector used especially in early radio receivers and consisting of a semiconducting crystal in point contact with a fine metal wire.crystal detector n (Electronics) electronics a demodulator, used esp in microwave circuits and in early radio receivers, consisting of a thin metal wire in point contact with a semiconductor crystal Crystal detectorA detector of radio waves that consisted of a base and terminals, a piece of galena or silicon, and a Cat whisker.ThesaurusNoun | 1. | crystal detector - a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifiercrystal - a crystalline element used as a component in various electronic devicesdetector - electronic equipment that detects the presence of radio signals or radioactivity |
crystal detector
crystal detector[′krist·əl di′tek·tər] (electronics) A crystal diode, or an equivalent earlier crystal-catwhisker combination, used to rectify a modulated radio-frequency signal to obtain the audio or video signal directly. A crystal diode used in a microwave receiver to combine an incoming radio-frequency signal with a local oscillator signal to produce an intermediate-frequency signal. crystal detector
Words related to crystal detectornoun a detector consisting of a fine wire in contact with a galena crystalRelated Words |