crystal receiver

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• 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 oscillator frequencies — Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz. Many applications call for a crystal oscillator frequency conveniently related to some other desired… …   Wikipedia

• Crystal (disambiguation) — Crystal is a form of matter significant in chemistry and mineralogy. Crystal may also refer to: Contents 1 Places 2 Media and entertainment 3 …   Wikipedia

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

• Receiver (radio) — This article is about a radio receiver, for other uses see Radio (disambiguation). A radio receiver is an electronic circuit that receives its input from an antenna, uses electronic filters to separate a wanted radio signal from all other signals …   Wikipedia

• Crystal oven — An OCXO inside an HP digital counter A crystal oven is a temperature controlled chamber used to maintain the quartz crystal in electronic crystal oscillators at a constant temperature, in order to prevent changes in the frequency due to… …   Wikipedia

• 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

• Crystal filter — A crystal filter is a special form of quartz crystal used in electronics systems, in particular communications devices. It provides a very precisely defined centre frequency and very steep bandpass characteristics, that is a very high Q factor… …   Wikipedia

• Crystal healing — Quartz crystals are often used in crystal healing. Crystal healing is a pseudoscientific alternative medicine technique that employs stones and crystals as healing tools. The practitioner places crystals on different parts of the body, often… …   Wikipedia

• crystal — I. noun Etymology: Middle English cristal, from Anglo French, from Latin crystallum, from Greek krystallos more at crust Date: 13th century 1. quartz that is transparent or nearly so and that is either colorless or only slightly tinged 2.… …   New Collegiate Dictionary

• crystal set — an early, tubeless radio receiver using a crystal detector. * * * …   Universalium