detector circuit

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• Detector (radio) — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Detector de mentiras — El llamado detector de mentiras, máquina de la verdad o polígrafo es un tipo particular de instrumento de medición utilizado para el registro de respuestas fisiológicas. Registra las variaciones de la presión arterial, el ritmo cardíaco, la… …   Wikipedia Español

• Grid-leak detector — A grid leak detector is a combination diode rectifier and audio amplifier used as a detector in vacuum tube A.M. radio receivers. In the circuit, the grid of the detector usually a low mu or medium mu triode is connected to the secondary of the… …   Wikipedia

• Plate detector (radio) — A plate detector is a vacuum tube detector circuit used in A.M. radios. This circuit employs a tube with an indirectly heated cathode, typically a medium mu triode, or a tetrode or pentode with a sharp cut off control grid. Rectification of R.F.… …   Wikipedia

• Radar detector detector — A radar detector detector (RDD) is a device used by police in areas where radar detectors are declared illegal.Radar detectors are built around a superheterodyne receiver, which has a local oscillator that radiates slightly. It is therefore… …   Wikipedia

• Radar detector — A radar detector, sometimes called a fuzz buster, is a passive electronic device used by motorists to determine if their speed is being monitored by law enforcement agencies via a radar unit, and thereby, potentially avoiding prosecution for… …   Wikipedia

• Envelope detector — An envelope detector is an electronic circuit that takes a high frequency signal as input, and provides an output which is the envelope of the original signal. The capacitor in the circuit stores up charge on the rising edge, and releases it… …   Wikipedia

• Regenerative circuit — The regenerative circuit (or self regenerative circuit) allows an electronic signal to be amplified many times by the same vacuum tube or other active component such as a field effect transistor.Description Regenerative circuits were employed in… …   Wikipedia

• Phase detector — A phase detector is a frequency mixer or analog multiplier circuit that generates a voltage signal which represents the difference in phase between two signal inputs. It is an essential element of the phase locked loop (PLL).Detecting phase… …   Wikipedia

• Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …   Wikipedia

• Thermal conductivity detector — The thermal conductivity detector (TCD) is a bulk property detector and a chemical specific detector commonly used in gas liquid chromatography. [Grob, Robert L. Ed.; Modern Practice of Gas Chromatography , John Wiley Sons, C1977, pg. 228, ] This …   Wikipedia