Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Amplifier> ?p ?o }
- Amplifier abstract "An amplifier, electronic amplifier or (informally) amp is an electronic device that increases the power of a signal.It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In this sense, an amplifier modulates the output of the power supply to make the output signal stronger than the input signal. An amplifier is effectively the opposite of an attenuator: while an amplifier provides gain, an attenuator provides loss.An amplifier can either be a separate piece of equipment or an electrical circuit within another device. The ability to amplify is fundamental to modern electronics, and amplifiers are extremely widely used in almost all electronic equipment. The types of amplifiers can be categorized in different ways. One is by the frequency of the electronic signal being amplified; audio amplifiers amplify signals in the audio (sound) range of less than 20 kHz, RF amplifiers amplify frequencies in the radio frequency range between 20 kHz and 300 GHz. Another is which quantity, voltage or current is being amplified; amplifiers can be divided into voltage amplifiers, current amplifiers, transconductance amplifiers, and transresistance amplifiers. A further distinction is whether the output is a linear or nonlinear representation of the input. Amplifiers can also be categorized by their physical placement in the signal chain.The first practical electronic device that amplified was the Audion (triode) vacuum tube, invented in 1906 by Lee De Forest, which led to the first amplifiers. The terms "amplifier" and "amplification" (from the Latin amplificare, 'to enlarge or expand') were first used for this new capability around 1915 when triodes became widespread. For the next 50 years, vacuum tubes were the only devices that could amplify. All amplifiers used them until the 1960s, when transistors appeared. Most amplifiers today use transistors, though tube amplifiers are still produced.".
- Amplifier thumbnail Amplifier_Circuit_Small.svg?width=300.
- Amplifier wikiPageExternalLink index.html.
- Amplifier wikiPageExternalLink 175006800.
- Amplifier wikiPageExternalLink 0111cae_anatomy.
- Amplifier wikiPageExternalLink index.html.
- Amplifier wikiPageExternalLink Class_D_audio_amplifiers_White_Paper_en.pdf.
- Amplifier wikiPageExternalLink bcapaper.pdf.
- Amplifier wikiPageExternalLink grbgpapr.pdf.
- Amplifier wikiPageExternalLink amptalk.pdf.
- Amplifier wikiPageExternalLink amplifier_classes.
- Amplifier wikiPageExternalLink calculator-thd.htm.
- Amplifier wikiPageID "9931".
- Amplifier wikiPageLength "79950".
- Amplifier wikiPageOutDegree "346".
- Amplifier wikiPageRevisionID "683462300".
- Amplifier wikiPageWikiLink Active_device.
- Amplifier wikiPageWikiLink Alan_Sokal.
- Amplifier wikiPageWikiLink Alternating_current.
- Amplifier wikiPageWikiLink Amplifier.
- Amplifier wikiPageWikiLink Amplitude.
- Amplifier wikiPageWikiLink Amplitude_modulation.
- Amplifier wikiPageWikiLink Analog_circuit.
- Amplifier wikiPageWikiLink Analog_computer.
- Amplifier wikiPageWikiLink Analogue_electronics.
- Amplifier wikiPageWikiLink Anode-bend_detector.
- Amplifier wikiPageWikiLink Attenuator_(electronics).
- Amplifier wikiPageWikiLink Audio_amplifier.
- Amplifier wikiPageWikiLink Audio_distortion.
- Amplifier wikiPageWikiLink Audio_filter.
- Amplifier wikiPageWikiLink Audio_power_amplifier.
- Amplifier wikiPageWikiLink Audion.
- Amplifier wikiPageWikiLink Audiophile.
- Amplifier wikiPageWikiLink Automatic_gain_control.
- Amplifier wikiPageWikiLink BIBO_stability.
- Amplifier wikiPageWikiLink Bandwidth_(signal_processing).
- Amplifier wikiPageWikiLink Bell_Laboratories.
- Amplifier wikiPageWikiLink Bell_Labs.
- Amplifier wikiPageWikiLink Bias_(electrical_engineering).
- Amplifier wikiPageWikiLink Biasing.
- Amplifier wikiPageWikiLink Bipolar_junction_transistor.
- Amplifier wikiPageWikiLink Bipolar_transistor.
- Amplifier wikiPageWikiLink Buffer_amplifier.
- Amplifier wikiPageWikiLink Buffer_amplifiers.
- Amplifier wikiPageWikiLink Capacitor.
- Amplifier wikiPageWikiLink Carbon_microphone.
- Amplifier wikiPageWikiLink Category:Electronic_amplifiers.
- Amplifier wikiPageWikiLink Category:Electronic_circuits.
- Amplifier wikiPageWikiLink Cats-whisker_detector.
- Amplifier wikiPageWikiLink Charge-transfer_amplifier.
- Amplifier wikiPageWikiLink Charge_transfer_amplifier.
- Amplifier wikiPageWikiLink Class-D_amplifier.
- Amplifier wikiPageWikiLink Comité_consultatif_international_pour_la_radio.
- Amplifier wikiPageWikiLink Common_base.
- Amplifier wikiPageWikiLink Common_cathode.
- Amplifier wikiPageWikiLink Common_collector.
- Amplifier wikiPageWikiLink Common_drain.
- Amplifier wikiPageWikiLink Common_emitter.
- Amplifier wikiPageWikiLink Common_gate.
- Amplifier wikiPageWikiLink Common_source.
- Amplifier wikiPageWikiLink Communications_satellite.
- Amplifier wikiPageWikiLink Computer_sound_card.
- Amplifier wikiPageWikiLink Constant_envelope.
- Amplifier wikiPageWikiLink Continental_Electronics.
- Amplifier wikiPageWikiLink Convection.
- Amplifier wikiPageWikiLink Crossed-field_amplifier.
- Amplifier wikiPageWikiLink Crossover_distortion.
- Amplifier wikiPageWikiLink Current-to-voltage_converter.
- Amplifier wikiPageWikiLink DC-to-DC_converter.
- Amplifier wikiPageWikiLink DC_motor.
- Amplifier wikiPageWikiLink Decibel.
- Amplifier wikiPageWikiLink Delta-sigma_modulation.
- Amplifier wikiPageWikiLink Dependent_source.
- Amplifier wikiPageWikiLink Differential_amplifier.
- Amplifier wikiPageWikiLink Differential_signaling.
- Amplifier wikiPageWikiLink Digital-to-analog_converter.
- Amplifier wikiPageWikiLink Digital_data.
- Amplifier wikiPageWikiLink Digital_media_player.
- Amplifier wikiPageWikiLink Diode.
- Amplifier wikiPageWikiLink Direct-coupled_amplifier.
- Amplifier wikiPageWikiLink Direct_coupled_amplifier.
- Amplifier wikiPageWikiLink Direct_current.
- Amplifier wikiPageWikiLink Distortion.
- Amplifier wikiPageWikiLink Distributed_amplifier.
- Amplifier wikiPageWikiLink Dynamic_range.
- Amplifier wikiPageWikiLink Electric_current.
- Amplifier wikiPageWikiLink Electric_guitar.
- Amplifier wikiPageWikiLink Electric_motor.
- Amplifier wikiPageWikiLink Electrical_circuit.
- Amplifier wikiPageWikiLink Electrical_efficiency.
- Amplifier wikiPageWikiLink Electrical_impedance.
- Amplifier wikiPageWikiLink Electrical_load.
- Amplifier wikiPageWikiLink Electrical_network.
- Amplifier wikiPageWikiLink Electromagnetic_interference.
- Amplifier wikiPageWikiLink Electromagnetic_pulse.
- Amplifier wikiPageWikiLink Electromagnetic_spectrum.
- Amplifier wikiPageWikiLink Electronic_amplifier.
- Amplifier wikiPageWikiLink Electronic_filter.
- Amplifier wikiPageWikiLink Emitter_follower.
- Amplifier wikiPageWikiLink External_electric_load.