heterodyne amplification
31Receiver (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 …
32Weapons technology in the Honorverse — In David Weber s Honor Harrington military science fiction novels, warfare is naturally ubiquitous. Two thousand years in the future, it remains true that humans will devise ever more ingenious ways of causing death and destruction.tarship and… …
33Amplificateur Faible Bruit — Pour les articles homonymes, voir LNA et Amplificateur. Un amplificateur faible bruit (LNA de l anglais Low Noise Amplifier) est un dispositif électronique chargé de mettre en forme des signaux très faibles en provenance d une antenne. Il est… …
34Amplificateur faible bruit — Pour les articles homonymes, voir LNA et Amplificateur. Un amplificateur faible bruit (LNA de l anglais Low Noise Amplifier) est un dispositif électronique chargé de mettre en forme des signaux très faibles en provenance d une antenne. Il est… …
35HORLOGES ATOMIQUES — Les horloges atomiques utilisent des transitions entre des niveaux d’énergie bien définis de certains atomes. Leur développement, depuis les années 1950, fait appel à la conjonction de plusieurs disciplines. Il résulte, d’une part, des… …
36superheterodyne — [ˌsu:pə hɛt(ə)rə(ʊ)dʌɪn] adjective denoting or using a system of radio and television reception in which the receiver produces a tunable signal which is combined with the incoming signal to produce a predetermined intermediate frequency, on which …
37superheterodyne — /supəˈhɛtərədaɪn/ (say soohpuh hetuhruhduyn) adjective 1. denoting or relating to a method of receiving radio signals by which the incoming modulated wave is changed by the heterodyne process to a lower frequency (the intermediate frequency,… …
38superheterodyne — [so͞o΄pər het′ər ə dīn΄] adj. [ SUPER(SONIC) + HETERODYNE] designating or of a form of radio reception in which part of the amplification prior to demodulation is carried out at an intermediate supersonic frequency produced by beating the… …
