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- Variable-gain_amplifier abstract "A variable-gain or voltage-controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV).VCAs have many applications, including audio level compression, synthesizers and amplitude modulation.A crude example is a typical inverting op-amp configuration with a light-dependent resistor (LDR) in the feedback loop. The gain of the amplifier then depends on the light falling on the LDR, which can be provided by an LED (an optocoupler). The gain of the amplifier is then controllable by the current through the LED. This is similar to the circuits used in optical audio compressors.A voltage-controlled amplifier can be realised by first creating a voltage-controlled resistor (VCR), which is used to set the amplifier gain. The VCR is one of the numerous interesting circuit elements that can be produced by using a JFET (junction field-effect transistor) with simple biasing. VCRs manufactured in this way can be obtained as discrete devices, e.g. VCR2N.Another type of circuit uses operational transconductance amplifiers.In audio applications logarithmic gain control is used to emulate how the ear hears loudness. David E. Blackmer's dbx 202 VCA was among the first successful implementations of a logarithmic VCA.".
- Variable-gain_amplifier wikiPageExternalLink 31470.
- Variable-gain_amplifier wikiPageExternalLink vca_book.pdf.
- Variable-gain_amplifier wikiPageExternalLink vca.html.
- Variable-gain_amplifier wikiPageExternalLink vca.html.
- Variable-gain_amplifier wikiPageExternalLink synth.
- Variable-gain_amplifier wikiPageID "1473564".
- Variable-gain_amplifier wikiPageLength "5430".
- Variable-gain_amplifier wikiPageOutDegree "33".
- Variable-gain_amplifier wikiPageRevisionID "675287125".
- Variable-gain_amplifier wikiPageWikiLink Amplifier.
- Variable-gain_amplifier wikiPageWikiLink Amplitude_modulation.
- Variable-gain_amplifier wikiPageWikiLink Audio_compressor.
- Variable-gain_amplifier wikiPageWikiLink Audio_level_compression.
- Variable-gain_amplifier wikiPageWikiLink Automixer.
- Variable-gain_amplifier wikiPageWikiLink Category:Dynamics_processing.
- Variable-gain_amplifier wikiPageWikiLink Category:Electronic_amplifiers.
- Variable-gain_amplifier wikiPageWikiLink Category:Frequency_mixers.
- Variable-gain_amplifier wikiPageWikiLink Category:Synthesiser_modules.
- Variable-gain_amplifier wikiPageWikiLink Chorus_effect.
- Variable-gain_amplifier wikiPageWikiLink Console_automation.
- Variable-gain_amplifier wikiPageWikiLink David_E._Blackmer.
- Variable-gain_amplifier wikiPageWikiLink Dbx,_Inc..
- Variable-gain_amplifier wikiPageWikiLink Dbx_(company).
- Variable-gain_amplifier wikiPageWikiLink Drum.
- Variable-gain_amplifier wikiPageWikiLink Dynamic_range_compression.
- Variable-gain_amplifier wikiPageWikiLink Electronic_amplifier.
- Variable-gain_amplifier wikiPageWikiLink Fade_(audio_engineering).
- Variable-gain_amplifier wikiPageWikiLink Fletcher–Munson_curves.
- Variable-gain_amplifier wikiPageWikiLink Gain_(electronics).
- Variable-gain_amplifier wikiPageWikiLink Guitar.
- Variable-gain_amplifier wikiPageWikiLink JFET.
- Variable-gain_amplifier wikiPageWikiLink LED.
- Variable-gain_amplifier wikiPageWikiLink Light-dependent_resistor.
- Variable-gain_amplifier wikiPageWikiLink Light-emitting_diode.
- Variable-gain_amplifier wikiPageWikiLink Logarithm.
- Variable-gain_amplifier wikiPageWikiLink Mix_automation.
- Variable-gain_amplifier wikiPageWikiLink Mixing_console.
- Variable-gain_amplifier wikiPageWikiLink Musical_instrument.
- Variable-gain_amplifier wikiPageWikiLink Op-amp.
- Variable-gain_amplifier wikiPageWikiLink Operational_amplifier.
- Variable-gain_amplifier wikiPageWikiLink Operational_transconductance_amplifier.
- Variable-gain_amplifier wikiPageWikiLink Opto-isolator.
- Variable-gain_amplifier wikiPageWikiLink Optocoupler.
- Variable-gain_amplifier wikiPageWikiLink Percussion_instrument.
- Variable-gain_amplifier wikiPageWikiLink Photoresistor.
- Variable-gain_amplifier wikiPageWikiLink Reverberation.
- Variable-gain_amplifier wikiPageWikiLink Synthesizer.
- Variable-gain_amplifier wikiPageWikiLink Synthesizers.
- Variable-gain_amplifier wikiPageWikiLink Vocal_music.
- Variable-gain_amplifier wikiPageWikiLinkText "VCA".
- Variable-gain_amplifier wikiPageWikiLinkText "Variable-gain amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "Variable-gain amplifier#Digital variable-gain amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "Variable-gain_amplifier#Digital_Variable_Gain_Amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "variable gain".
- Variable-gain_amplifier wikiPageWikiLinkText "variable-gain amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "voltage controlled amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "voltage controlled amplifiers".
- Variable-gain_amplifier wikiPageWikiLinkText "voltage controls".
- Variable-gain_amplifier wikiPageWikiLinkText "voltage-controlled amplifier".
- Variable-gain_amplifier wikiPageWikiLinkText "voltage-controlled amplifiers".
- Variable-gain_amplifier hasPhotoCollection Variable-gain_amplifier.
- Variable-gain_amplifier wikiPageUsesTemplate Template:Reflist.
- Variable-gain_amplifier subject Category:Dynamics_processing.
- Variable-gain_amplifier subject Category:Electronic_amplifiers.
- Variable-gain_amplifier subject Category:Frequency_mixers.
- Variable-gain_amplifier subject Category:Synthesiser_modules.
- Variable-gain_amplifier hypernym Amplifier.
- Variable-gain_amplifier type Company.
- Variable-gain_amplifier type Circuit.
- Variable-gain_amplifier type Transistor.
- Variable-gain_amplifier comment "A variable-gain or voltage-controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV).VCAs have many applications, including audio level compression, synthesizers and amplitude modulation.A crude example is a typical inverting op-amp configuration with a light-dependent resistor (LDR) in the feedback loop. The gain of the amplifier then depends on the light falling on the LDR, which can be provided by an LED (an optocoupler).".
- Variable-gain_amplifier label "Variable-gain amplifier".
- Variable-gain_amplifier sameAs Voltage_Controlled_Amplifier.
- Variable-gain_amplifier sameAs Voltage_Controlled_Amplifier.
- Variable-gain_amplifier sameAs Amplificatore_controllato_in_tensione.
- Variable-gain_amplifier sameAs Spanningsgestuurde_versterker.
- Variable-gain_amplifier sameAs Wzmacniacz_sterowany_napięciem.
- Variable-gain_amplifier sameAs m.054b1w.
- Variable-gain_amplifier sameAs Voltage-controlled_amplifier.
- Variable-gain_amplifier sameAs Q1894933.
- Variable-gain_amplifier sameAs Q1894933.
- Variable-gain_amplifier wasDerivedFrom Variable-gain_amplifier?oldid=675287125.
- Variable-gain_amplifier isPrimaryTopicOf Variable-gain_amplifier.