junction detector
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Nonlinear junction detector — The non linear junction detector, or an NLJD, is a device that illuminates a small region of space with high frequency, RF energy. Any non linear junction in the vicinity for example, and particularly, the p n junction will receive this energy,… … Wikipedia
Microchannel plate detector — from the Daresbury Recoil Separator A micro channel plate (MCP) is a planar component used for detection of particles (electrons or ions) and impinging radiation (ultraviolet radiation and X rays). It is closely related to an electron multiplier … Wikipedia
Cat's-whisker detector — Galena cat s whisker detector Precision cat s whisker d … Wikipedia
solid-state detector — ▪ radiation detector also called Semiconductor Radiation Detector, radiation detector in which a semiconductor material such as a silicon or germanium crystal constitutes the detecting medium. One such device consists of a junction (p n… … Universalium
p-n junction — A silicon p–n junction with no applied voltage. A p–n junction is formed at the boundary between a P type and N type semiconductor created in a single crystal of semiconductor by doping, for example by ion implantation, diffusion of dopants, or… … Wikipedia
Infrared detector — An infrared detector is a photodetector that reacts to infrared (IR) radiation. The two main types of detectors are thermal and photonic.The thermal effects of the incident IR radiation can be followed through many temperature dependent phenomena … Wikipedia
Technological applications of superconductivity — Some of the technological applications of superconductivity include: the production of sensitive magnetometers based on SQUIDs fast digital circuits (including those based on Josephson junctions and rapid single flux quantum technology), powerful … Wikipedia
Covert listening device — A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, is a common technique in surveillance, espionage and in police… … Wikipedia
Technical Surveillance Counter-Measures — TSCM (Technical Surveillance Counter Measures) is the original Unites States military abbreviation denoting the process of bug sweeping or electronic countersurveillance. It is related to ELINT, SIGINT and Electronic countermeasures (ECM).The… … Wikipedia
Harmonisches Radar — ist ein Radarprinzip, bei dem die zweite oder dritte Harmonische einer ausgesendeten Radarfrequenz detektiert wird und das für unterschiedliche Zwecke entwickelt wurde, so z. B. als Radar für die deutsche V2 Rakete, Lawinenopferradar, Käfer… … Deutsch Wikipedia
