About: Open-loop gain     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatElectricalParameters, within Data Space : dbpedia.org associated with source document(s)
QRcode icon
http://dbpedia.org/describe/?url=http%3A%2F%2Fdbpedia.org%2Fresource%2FOpen-loop_gain

The open-loop gain of an electronic amplifier is the gain obtained when no overall feedback is used in the circuit. The open-loop gain of many electronic amplifiers is exceedingly high (by design) – an ideal operational amplifier (op-amp) has infinite open-loop gain. Typically an op-amp may have a maximal open-loop gain of around , or 100 dB. Normally, negative feedback is applied around an amplifier with high open-loop gain, to reduce the gain of the complete circuit to a desired value.

AttributesValues
rdf:type
rdfs:label
  • Guadagno ad anello aperto (it)
  • オープンループ利得 (ja)
  • Open-loop gain (en)
  • 开环增益 (zh)
rdfs:comment
  • The open-loop gain of an electronic amplifier is the gain obtained when no overall feedback is used in the circuit. The open-loop gain of many electronic amplifiers is exceedingly high (by design) – an ideal operational amplifier (op-amp) has infinite open-loop gain. Typically an op-amp may have a maximal open-loop gain of around , or 100 dB. Normally, negative feedback is applied around an amplifier with high open-loop gain, to reduce the gain of the complete circuit to a desired value. (en)
  • オープンループ利得（オープンループりとく、英: open loop gain）とは、帰還増幅器において帰還をかけない場合の利得のこと。 (ja)
  • 开环增益（open-loop gain）是運算放大器的參數，一般以表示，是在沒有反馈電路時的增益。 其中 為輸出電壓為放大器正端輸入電壓為放大器負端輸入電壓 運算放大器有很高的開環增益，理想運算放大器的開環增益為無窮大，一般的運算放大器的開環增益約為。一般會加入反馈電路，降低整體電路的增益，但會使系統比較穩定。運算放大器的開環增益隨頻率快速的下降，這也是一般運算放大器限制頻寬的原因之一（另一個限制頻寬的原因是）。 (zh)
  • Il guadagno ad anello aperto di un amplificatore è il guadagno ottenuto quando non risulta feedback nel circuito. Il guadagno ad anello aperto, in alcuni amplificatori, può essere estremamente elevato. Un amplificatore operazionale ideale ha un guadagno ad anello aperto infinito. Tipicamente un op-amp ha un guadagno ad anello aperto di circa . Questo guadagno molto alto permette un'ampia scelta di applicare vari livelli di feedback per ottenere la prestazione desiderata. (it)
dcterms:subject
Wikipage page ID
Wikipage revision ID
Link from a Wikipage to another Wikipage
Link from a Wikipage to an external page
sameAs
dbp:wikiPageUsesTemplate
auto
  • yes (en)
date
  • December 2009 (en)
has abstract
  • The open-loop gain of an electronic amplifier is the gain obtained when no overall feedback is used in the circuit. The open-loop gain of many electronic amplifiers is exceedingly high (by design) – an ideal operational amplifier (op-amp) has infinite open-loop gain. Typically an op-amp may have a maximal open-loop gain of around , or 100 dB. Normally, negative feedback is applied around an amplifier with high open-loop gain, to reduce the gain of the complete circuit to a desired value. (en)
  • Il guadagno ad anello aperto di un amplificatore è il guadagno ottenuto quando non risulta feedback nel circuito. Il guadagno ad anello aperto, in alcuni amplificatori, può essere estremamente elevato. Un amplificatore operazionale ideale ha un guadagno ad anello aperto infinito. Tipicamente un op-amp ha un guadagno ad anello aperto di circa . Questo guadagno molto alto permette un'ampia scelta di applicare vari livelli di feedback per ottenere la prestazione desiderata. Normalmente, il feedback è applicato a un amplificatore con guadagno ad anello aperto elevato cosicché l'effettivo guadagno è definito e tenuto a un valore desiderato. (it)
  • オープンループ利得（オープンループりとく、英: open loop gain）とは、帰還増幅器において帰還をかけない場合の利得のこと。 (ja)
  • 开环增益（open-loop gain）是運算放大器的參數，一般以表示，是在沒有反馈電路時的增益。 其中 為輸出電壓為放大器正端輸入電壓為放大器負端輸入電壓 運算放大器有很高的開環增益，理想運算放大器的開環增益為無窮大，一般的運算放大器的開環增益約為。一般會加入反馈電路，降低整體電路的增益，但會使系統比較穩定。運算放大器的開環增益隨頻率快速的下降，這也是一般運算放大器限制頻寬的原因之一（另一個限制頻寬的原因是）。 (zh)
prov:wasDerivedFrom
page length (characters) of wiki page
foaf:isPrimaryTopicOf
is Link from a Wikipage to another Wikipage of
is Wikipage redirect of
is foaf:primaryTopic of
Faceted Search & Find service v1.17_git139 as of Feb 29 2024


Alternative Linked Data Documents: ODE     Content Formats:   [cxml] [csv]     RDF   [text] [turtle] [ld+json] [rdf+json] [rdf+xml]     ODATA   [atom+xml] [odata+json]     Microdata   [microdata+json] [html]    About   
This material is Open Knowledge   W3C Semantic Web Technology [RDF Data] Valid XHTML + RDFa
OpenLink Virtuoso version 08.03.3330 as of Mar 19 2024, on Linux (x86_64-generic-linux-glibc212), Single-Server Edition (378 GB total memory, 53 GB memory in use)
Data on this page belongs to its respective rights holders.
Virtuoso Faceted Browser Copyright © 2009-2024 OpenLink Software