About: Asymptotic gain model

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The asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation: where is the return ratio with the input source disabled (equal to the negative of the loop gain in the case of a single-loop system composed of unilateral blocks), G∞ is the asymptotic gain and G0 is the direct transmission term. This form for the gain can provide intuitive insight into the circuit and often is easier to derive than a direct attack on the gain.

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rdf:type	yago:WikicatAnalogCircuits yago:Amplifier102705944 yago:Artifact100021939 yago:Circuit103033362 yago:Device103183080 yago:ElectricalDevice103269401 yago:ElectronicEquipment103278248 yago:Equipment103294048 yago:Instrumentality103575240 yago:Object100002684 yago:PhysicalEntity100001930 yago:Whole100003553 yago:WikicatElectronicAmplifiers
rdfs:label	Asymptotic gain model (en) 漸近增益模型 (zh)
rdfs:comment	漸近增益模型（asymptotic gain model），也稱為Rosenstark方法，是由以下漸近增益的關係來表示负反馈放大器的增益：其中是輸入源無效時的返回比（在只有單一迴路，且由單輸入模組組成的系統時，等於負的环路增益），G∞是漸近增益，G0是直接傳遞項。此型式的增益可以提供對於電路一些直觀的直覺，而且比直接推導增益要容易計算。圖1是漸近增益模型的方塊圖。漸近增益的關係也可以用信号流图表示，如圖二。漸近增益模型是的特例。 (zh) The asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation: where is the return ratio with the input source disabled (equal to the negative of the loop gain in the case of a single-loop system composed of unilateral blocks), G∞ is the asymptotic gain and G0 is the direct transmission term. This form for the gain can provide intuitive insight into the circuit and often is easier to derive than a direct attack on the gain. (en)
foaf:depiction
dcterms:subject	Electronic amplifiers Analog circuits Signal processing Control theory Electronic feedback
Wikipage page ID	997021 (xsd:integer)
Wikipage revision ID	1087947977 (xsd:integer)
Link from a Wikipage to another Wikipage	Amplifier Electronic amplifiers Current mirror Dependent source Nullor SPICE Ohm's law Active load Analog circuits Signal processing Control theory Signal-flow graph Electronic feedback Hybrid-pi model Mason's gain formula Blackman's theorem FET Kirchhoff's circuit laws Loop gain Voltage divider Extra element theorem Transconductance Negative feedback amplifier Return ratio Small-signal Electronic amplifier Current division
Link from a Wikipage to an external page	http://users.ece.gatech.edu/~pallen/Academic/ECE_6412/Spring_2004/L290-ReturnRatio-2UP.pdf
sameAs	Asymptotic gain model Asymptotic gain model Asymptotic gain model Asymptotic gain model Asymptotic gain model
dbp:wikiPageUsesTemplate	dbt:More_citations_needed dbt:Reflist
thumbnail	wiki-commons:Special:FilePath/Asymt_feedback.png?width=300
has abstract	The asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation: where is the return ratio with the input source disabled (equal to the negative of the loop gain in the case of a single-loop system composed of unilateral blocks), G∞ is the asymptotic gain and G0 is the direct transmission term. This form for the gain can provide intuitive insight into the circuit and often is easier to derive than a direct attack on the gain. Figure 1 shows a block diagram that leads to the asymptotic gain expression. The asymptotic gain relation also can be expressed as a signal flow graph. See Figure 2. The asymptotic gain model is a special case of the extra element theorem. As follows directly from limiting cases of the gain expression, the asymptotic gain G∞ is simply the gain of the system when the return ratio approaches infinity: while the direct transmission term G0 is the gain of the system when the return ratio is zero: (en) 漸近增益模型（asymptotic gain model），也稱為Rosenstark方法，是由以下漸近增益的關係來表示负反馈放大器的增益：其中是輸入源無效時的返回比（在只有單一迴路，且由單輸入模組組成的系統時，等於負的环路增益），G∞是漸近增益，G0是直接傳遞項。此型式的增益可以提供對於電路一些直觀的直覺，而且比直接推導增益要容易計算。圖1是漸近增益模型的方塊圖。漸近增益的關係也可以用信号流图表示，如圖二。漸近增益模型是的特例。 (zh)
prov:wasDerivedFrom	wikipedia-en:Asymptotic_gain_model?oldid=1087947977&ns=0
page length (characters) of wiki page	20009 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Asymptotic_gain_model
is Link from a Wikipage to another Wikipage of	Feedback Negative-feedback amplifier Signal-flow graph Blackman's theorem Extra element theorem Return ratio Single-stage transistor amplification Single-stage transistor amplifier Single-stage transistor amplifiers Single stage transistor amplification Single stage transistor amplifier Single stage transistor amplifiers Singlestage transistor amplification Singlestage transistor amplifier Singlestage transistor amplifiers Rosenstark method
is Wikipage redirect of	Single-stage transistor amplification Single-stage transistor amplifier Single-stage transistor amplifiers Single stage transistor amplification Single stage transistor amplifier

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