crystal radio
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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 radio — ˈcrystal set 7 [crystal set] (also ˌcrystal ˈradio) noun a simple early radio which was listened to wearing ↑headphones … Useful english dictionary
NAB Crystal Radio Awards — logo The NAB Crystal Radio Awards are presented annually by the National Association of Broadcasters to American radio stations. The award was established in 1987 to recognize radio stations for year round commitment to community service.[1]… … Wikipedia
Crystal (song) — Crystal Single by New Order from the album Get Ready B side … Wikipedia
Crystal — «Crystal» Сингл New Order из альбома Get Ready … Википедия
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 earpiece — Crystal radio using piezoelectric earpiece Common piezoelectric earpiece used with portable radios A crystal earpiece, more properly called a piezoelectric earphone … Wikipedia
Radio receiver design — is a complex topic which can be broken down into a series of smaller topics. A radio communication system requires two tuned circuits each at the transmitter and receiver, all four tuned to the same frequency. [Cheney, M., Uth, R., Glenn, J.… … Wikipedia
Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… … 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
