Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Detector_(radio)> ?p ?o }
- Detector_(radio) abstract "In electronics, a detector is an older term for an electronic component in a radio receiver that recovers information contained in a modulated radio wave. The term dates from the first three decades of radio (1886-1916). Unlike modern radio stations which transmit sound (an audio signal) on the radio carrier wave, the first radio transmitters transmitted information by wireless telegraphy, using different length pulses of radio waves to spell out text messages in Morse code. So radio receiving equipment didn't have to extract a sound wave from the incoming radio signal, but only "detect" the presence or absence of the radio signal, to produce clicks in the receiver's earphones representing the Morse code symbols. The device that did this was called a detector. A variety of different detector devices, such as the coherer, electrolytic detector, and magnetic detector, were used during the wireless telegraphy era.After sound (AM) transmission took over around 1920, the term evolved to mean a demodulator, a nonlinear rectifier (usually a crystal diode or a vacuum tube) which extracted the audio signal from the radio frequency carrier wave. This is its current meaning, although modern detectors usually consist of semiconductor diodes, transistors, or integrated circuits.In a superheterodyne receiver the term is also sometimes used to refer to the mixer, the tube or transistor which converts the incoming radio frequency signal to the intermediate frequency. The mixer is called the first detector, while the demodulator that extracts the audio signal from the intermediate frequency is called the second detector.".
- Detector_(radio) thumbnail Tapping_coherer.jpg?width=300.
- Detector_(radio) wikiPageExternalLink Chapter%203%20part%20III.pdf.
- Detector_(radio) wikiPageID "4529151".
- Detector_(radio) wikiPageLength "13660".
- Detector_(radio) wikiPageOutDegree "96".
- Detector_(radio) wikiPageRevisionID "680296870".
- Detector_(radio) wikiPageWikiLink Amplitude.
- Detector_(radio) wikiPageWikiLink Amplitude_modulation.
- Detector_(radio) wikiPageWikiLink Analog_multiplier.
- Detector_(radio) wikiPageWikiLink Arnold_tongue.
- Detector_(radio) wikiPageWikiLink Audio_signal.
- Detector_(radio) wikiPageWikiLink Capacitor.
- Detector_(radio) wikiPageWikiLink Carrier_signal.
- Detector_(radio) wikiPageWikiLink Carrier_wave.
- Detector_(radio) wikiPageWikiLink Category:Demodulation.
- Detector_(radio) wikiPageWikiLink Category:Detectors.
- Detector_(radio) wikiPageWikiLink Category:Radio_electronics.
- Detector_(radio) wikiPageWikiLink Cats-whisker_detector.
- Detector_(radio) wikiPageWikiLink Cats_whisker_detector.
- Detector_(radio) wikiPageWikiLink Coherer.
- Detector_(radio) wikiPageWikiLink Crystal_detector.
- Detector_(radio) wikiPageWikiLink Crystal_radio.
- Detector_(radio) wikiPageWikiLink Crystal_set.
- Detector_(radio) wikiPageWikiLink Demodulation.
- Detector_(radio) wikiPageWikiLink Demodulator.
- Detector_(radio) wikiPageWikiLink Detection.
- Detector_(radio) wikiPageWikiLink Diode.
- Detector_(radio) wikiPageWikiLink Diode_detector.
- Detector_(radio) wikiPageWikiLink Electrical_reactance.
- Detector_(radio) wikiPageWikiLink Electrolytic_detector.
- Detector_(radio) wikiPageWikiLink Electronic_component.
- Detector_(radio) wikiPageWikiLink Electronic_filter.
- Detector_(radio) wikiPageWikiLink Electronics.
- Detector_(radio) wikiPageWikiLink Envelope_detector.
- Detector_(radio) wikiPageWikiLink Feedback.
- Detector_(radio) wikiPageWikiLink Feedback_loop.
- Detector_(radio) wikiPageWikiLink Field-effect_transistor.
- Detector_(radio) wikiPageWikiLink Field_Effect_Transistor.
- Detector_(radio) wikiPageWikiLink Foster-Seeley_discriminator.
- Detector_(radio) wikiPageWikiLink Foster–Seeley_discriminator.
- Detector_(radio) wikiPageWikiLink Frequency_mixer.
- Detector_(radio) wikiPageWikiLink Frequency_modulation.
- Detector_(radio) wikiPageWikiLink Gilbert_cell.
- Detector_(radio) wikiPageWikiLink Grid-leak_detector.
- Detector_(radio) wikiPageWikiLink Heterodyne.
- Detector_(radio) wikiPageWikiLink Heterodyning.
- Detector_(radio) wikiPageWikiLink Hot_wire_barretter.
- Detector_(radio) wikiPageWikiLink Information.
- Detector_(radio) wikiPageWikiLink Integrated_Circuit.
- Detector_(radio) wikiPageWikiLink Integrated_circuit.
- Detector_(radio) wikiPageWikiLink Intermediate_frequency.
- Detector_(radio) wikiPageWikiLink Local_oscillator.
- Detector_(radio) wikiPageWikiLink Lock-in_amplifier.
- Detector_(radio) wikiPageWikiLink Low-pass_filter.
- Detector_(radio) wikiPageWikiLink Magnetic_detector.
- Detector_(radio) wikiPageWikiLink Modulated.
- Detector_(radio) wikiPageWikiLink Modulation.
- Detector_(radio) wikiPageWikiLink Morse_code.
- Detector_(radio) wikiPageWikiLink Nonlinear.
- Detector_(radio) wikiPageWikiLink Nonlinear_system.
- Detector_(radio) wikiPageWikiLink Peak_detector.
- Detector_(radio) wikiPageWikiLink Phase-locked_loop.
- Detector_(radio) wikiPageWikiLink Phase-sensitive_detector.
- Detector_(radio) wikiPageWikiLink Phase_(waves).
- Detector_(radio) wikiPageWikiLink Phase_detector.
- Detector_(radio) wikiPageWikiLink Phase_difference.
- Detector_(radio) wikiPageWikiLink Phase_lock.
- Detector_(radio) wikiPageWikiLink Phase_modulation.
- Detector_(radio) wikiPageWikiLink Plate_detector_(radio).
- Detector_(radio) wikiPageWikiLink Precision_rectifier.
- Detector_(radio) wikiPageWikiLink Product_detector.
- Detector_(radio) wikiPageWikiLink Pulse-width_modulation.
- Detector_(radio) wikiPageWikiLink Pulse_width_modulation.
- Detector_(radio) wikiPageWikiLink Radio_receiver.
- Detector_(radio) wikiPageWikiLink Radio_wave.
- Detector_(radio) wikiPageWikiLink Reactance_(electronics).
- Detector_(radio) wikiPageWikiLink Receiver_(radio).
- Detector_(radio) wikiPageWikiLink Rectifier.
- Detector_(radio) wikiPageWikiLink Ring_modulation.
- Detector_(radio) wikiPageWikiLink Ring_modulator.
- Detector_(radio) wikiPageWikiLink Semiconductor_diode.
- Detector_(radio) wikiPageWikiLink Single-sideband_modulation.
- Detector_(radio) wikiPageWikiLink Square_wave.
- Detector_(radio) wikiPageWikiLink Superhet.
- Detector_(radio) wikiPageWikiLink Superheterodyne_receiver.
- Detector_(radio) wikiPageWikiLink Tikker.
- Detector_(radio) wikiPageWikiLink Transformer.
- Detector_(radio) wikiPageWikiLink Transistor.
- Detector_(radio) wikiPageWikiLink Tuner_(radio).
- Detector_(radio) wikiPageWikiLink Vacuum_tube.
- Detector_(radio) wikiPageWikiLink Voltage-controlled_oscillator.
- Detector_(radio) wikiPageWikiLink Voltage_controlled_oscillator.
- Detector_(radio) wikiPageWikiLink Wireless_telegraphy.
- Detector_(radio) wikiPageWikiLink Wunderlich_(vacuum_tube).
- Detector_(radio) wikiPageWikiLink XOR_gate.
- Detector_(radio) wikiPageWikiLink File:Ratio_detector.png.
- Detector_(radio) wikiPageWikiLink File:Simple_envelope_detector.svg.
- Detector_(radio) wikiPageWikiLink File:Simplest_crystal_radio_circuit.svg.
- Detector_(radio) wikiPageWikiLink File:Tapping_coherer.jpg.