The resonance frequency of a piezo-electric "tuning fork" is influenced by the mass of adsorbed molecules. Commercial crystal testers are however very expensive, that is why this simple electronic crystal tester was born. Noun crystal detector has 1 sense. 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 … The transistor T1 and the crystal to be tested together makes a complete crystal oscillator. 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 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. 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). Thus, point contact diode got a descriptive name as a cat whisker detector. Definition of crystal detector in the Definitions.net dictionary. Definition of crystal detector in the AudioEnglish.org Dictionary. This is a direct descendant of the old crystal detector of the ‘crystal and cat’s-whisker’ era, and is shown in Fig. When completed, DUSEL will be the only site in the world where highly pure germanium crystals are grown in a deep underground environment. 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 … The diode is a "germanium" type diode and not a "silicon" based diode. Only given from the term I cannot really imagine its functionality. Crystal Growth and Detector Development . It has a suction cup gun to hold on to Green Crystal Storage Boxes and an opening storage in the rear. 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. Mostly the germanium is housed in a small glass housing with wire leads coming off each end. 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 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. 6150 Crystal Detector is a medium-sized Hydronauts set. 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. Synonyms for crystal detector in Free Thesaurus. These are obsolete and consists of a thin, sharpened metal wire acting as an anode and semiconductor crystal acting as the cathode. Early point contact diodes were made from a galena crystal (lead sulfide) and a metallic pin known as a "cat's whisker". Information about crystal detector in … The aluminum may also serve as a shield for alpha and low-energy beta radiation. Crystal Detectors: This page presents an assortment of crystal detector units which were made between 1910 and 1925. In 1900s, it is primarily used in a crystal radio set as a signal 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. 1 Description 2 Background 3 Notes 4 Gallery 5 Minifigures Included 6 External links The Crystal Detector is one of the larger Hydronauts sets. 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. Remarques: Wireless Corporation Horizontal Crystal Detector. It has 101 parts and a Hydronaut. 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. We've got 0 rhyming words for crystal detector » What rhymes with crystal detector? Explanation of crystal detector Explanation of crystal detector The 8472B crystal detector is a 50 W (nominal) device designed for measurement use in coaxial systems. Modèle: Crystal Detector - Wireless Corp. of America; Matière: Matériaux divers : Forme: Modèle de table de forme quelconque, profil pas précisés. I modern crystal radios we use a diode as the "detector". What does crystal detector mean? 6159 Crystal Detector is a medium-sized Hydronauts set. What are synonyms for crystal detector? Talk:Crystal detector. Crystal detector definition: a demodulator, used esp in microwave circuits and in early radio receivers , consisting... | Meaning, pronunciation, translations and examples 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. 1 Description 2 Background 3 Notes 4 Minifigures Included 5 External links The Crystal Detector is one of the larger Hydronauts sets. The Crystal Detector is a tool used by the main character of Grow Up, BUD. The crystal detector oscillator has a first crystal side for contacting the solution, and a second crystal side isolated from contacting the solution. 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. 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