Crystal detector definition, 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 two principal components of a crystal … Crystal detector: lt;p|>| ||A |cat's-whisker detector| (sometimes called a |crystal detector|) is an antique |elect... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. Meaning of crystal detector. This page is about the various possible words that rhymes or sounds like crystal detector.Use it for writing poetry, composing lyrics for your song or coming up with rap verses. piezoelectric sensor. Remarques: Wireless Corporation Horizontal Crystal Detector. When completed, DUSEL will be the only site in the world where highly pure germanium crystals are grown in a deep underground environment. 2 words related to crystal detector: crystal, detector. A crystal radio is the original example of a true detector; here a crude point-contact diode was used to rectify a AM modulated signal back to baseband so the listener could take the A-train to Harlem with Count Basie over headphones if the room was quiet enough. Explanation of crystal detector Explanation of crystal detector 76 relations. What are synonyms for crystal detector? The 8472B crystal detector is a 50 W (nominal) device designed for measurement use in coaxial systems. The diode is a "germanium" type diode and not a "silicon" based diode. Features – The instrument converts RF power levels applied to the 50 W input connector into proportional values of DC voltage. Crystal detector definition: a demodulator, used esp in microwave circuits and in early radio receivers , consisting... | Meaning, pronunciation, translations and examples A radiation detector comprising a scintillation crystal, means to convert optical radiation into electrical charge carriers and detector means to detect the generated charge carriers characterised in that a gap (19) provided with means (17) to inhibit the passage of charge carriers is positioned between said crystal (1) and said detector means (9). It has a suction cup gun to hold on to Green Crystal Storage Boxes and an opening storage in the rear. Prix de mise sur le marché : 3.00 USD: Littérature: Company advertisement: Modèle crée par Alan Larsen. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word crystal detector. Really not tougher to build, but items are harder to find to make the detector. A thermoluminescent dosimeter, abbreviated as TLD, is a passive radiation dosimeter, that measures ionizing radiation exposure by measuring the intensity of visible light emitted from a sensitive crystal in the detector when the crystal is heated.The intensity of light emitted is measure by TLD reader and it is dependent upon the radiation exposure. Commercial crystal testers are however very expensive, that is why this simple electronic crystal tester was born. Traductions en contexte de "detector crystal" en anglais-français avec Reverso Context : the reusable detector component incorporates a detector crystal, and … Only given from the term I cannot really imagine its functionality. A crystal detector is an obsolete [1] electronic component in some early 20th century radio receivers that used a piece of crystalline mineral as a detector (demodulator) to rectify the alternating current radio signal to extract the audio modulation which produced the sound in the earphones. Summary [ edit | edit source ] The Crystal Detector is a unique device that allows BUD to find Crystals much easier. Ce dernier comprend une première face de cristal qui vient en contact avec la solution et une deuxième face de cristal isolée du contact avec la solution. Noun crystal detector has 1 sense. The resonance frequency of a piezo-electric "tuning fork" is influenced by the mass of adsorbed molecules. Crystal Detectors: This page presents an assortment of crystal detector units which were made between 1910 and 1925. This project is to perform material purification and crystal growth underground for next generation, ultra-low background experiments at the Sanford Underground Laboratory at Homestake and DUSEL. Talk:Crystal detector. WikiProject Radio (Rated C-class, Low-importance) This article is within the scope of WikiProject Radio, a collaborative effort to improve the coverage of Radio-related subjects on Wikipedia. In most cases, the "crystal" is a piece of galena (lead sulfide), though other minerals were used as well, including silicon, pyrite ("fool's gold"), and a number of others. A crystal detector is an obsolete electronic component in some early 20th century radio receivers that used a piece of crystalline mineral as a detector (demodulator) to rectify the alternating current radio signal to extract the audio modulation which produced the sound in the earphones. The Crystal Ball is a hermetic particle detector used initially with the SPEAR particle accelerator at the Stanford Linear Accelerator Center beginning in 1979. Single photons can be detected by several types of detectors without nonlinear crystals, E.g., specially designed photomultipliers produce 100 mV pulse from one photon absorbed by photocathode. I’d like to know what a piezoelectric sorption detector is. Language; Watch; Edit; Active discussions. The aluminum may also serve as a shield for alpha and low-energy beta radiation. 1 Description 2 Background 3 Notes 4 Gallery 5 Minifigures Included 6 External links The Crystal Detector is one of the larger Hydronauts sets. Information about crystal detector in … What does crystal detector mean? Crystal surface makes contact with the fine metallic probe. It has a variety of ways it is packaged, but for the most part it looks like this. It has 101 parts and a Hydronaut. Other articles where Crystal detector is discussed: Greenleaf Whittier Pickard: electrical engineer who invented the crystal detector (one of the first devices widely used for receiving radio broadcasts) and who was also one of the first scientists to demonstrate … I can hardly find information about, only a small number of research papers which are mostly not accessable for me. What does crystal detector mean? 6159 Crystal Detector is a medium-sized Hydronauts set. 1 Description 2 Background 3 Notes 4 Minifigures Included 5 External links The Crystal Detector is one of the larger Hydronauts sets. The capacitors C1 and C2 works as a capacitive voltage divider that is connected to the transistor T1. The transistor T1 and the crystal to be tested together makes a complete crystal oscillator. The crystal surfaces that are not in contact with the PMT are covered with an aluminum coating (about 0.05 cm thick), which blocks out external light and protects the scintillation crystal detector from atmospheric moisture (particularly hygroscopic crystal detectors) and from physical damage. If the crystal being tested is intact, the circuit oscillates. Crystal Diode Detector. I modern crystal radios we use a diode as the "detector". Modèle: Crystal Detector - Wireless Corp. of America; Matière: Matériaux divers : Forme: Modèle de table de forme quelconque, profil pas précisés. It was designed to detect neutral particles and was used to discover the ηc meson.Its central section was a spark chamber surrounded by a nearly-complete sphere of scintillating crystals (), for which it was named. crystal detector (n = noun.artifact) - a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier; has parts: crystal is a kind of detector Cvd Single Crystal Diamond For Detector Use In Mexico Single Crystal - Material Single crystal CVD diamond for general and more specialist applications: Precision tooling, high wear bearings, optical, sensors; High purity single crystal CVD diamond: Quantum optics, radiation detectors; SC Plate Type Ib 3.0x3.0mm, 0.30mm thick, <100>, PL. The crystal detector oscillator has a first crystal side for contacting the solution, and a second crystal side isolated from contacting the solution. Thus, point contact diode got a descriptive name as a cat whisker detector. A crystal detector is an obsolete electronic component in some early 20th century radio receivers that used a piece of crystalline mineral as a detector (demodulator) to rectify the alternating current radio signal to extract the audio modulation which produced the sound in the earphones. Crystal Growth and Detector Development . Meaning of crystal detector. Information and translations of crystal detector in the most comprehensive dictionary definitions resource on the web. Definition of crystal detector in the Definitions.net dictionary. These are obsolete and consists of a thin, sharpened metal wire acting as an anode and semiconductor crystal acting as the cathode. Mostly the germanium is housed in a small glass housing with wire leads coming off each end. Crystal Detector Galène Carter Manufacturing Co., The; East Cleveland OH, build 1925, 11 images, Etats-Unis, schémas, lampes, semi-conducteurs, Poste à The Crystal Detector is a tool used by the main character of Grow Up, BUD. Synonyms for crystal detector in Free Thesaurus. This is a direct descendant of the old crystal detector of the ‘crystal and cat’s-whisker’ era, and is shown in Fig. Early point contact diodes were made from a galena crystal (lead sulfide) and a metallic pin known as a "cat's whisker". One Answer. traduction crystal detector dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'crystal ball',liquid crystal',liquid crystal display',liquid crystal display', conjugaison, expressions idiomatiques Définitions de crystal detector, synonymes, antonymes, dérivés de crystal detector, dictionnaire analogique de crystal detector (anglais) Definition of crystal detector in the AudioEnglish.org Dictionary. It contains 101 pieces and one Hydronaut Minifigure. 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