模拟电路模电课件及练习题答案

BasicFeedbackConceptsandTypesof(textbook:IdealClosed-loopGainandAdvantagesNegativeIdealFeedback(textbook:

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12.312.3IdealFeedbackLec华Lec华1.Series-ShuntConfigurationConcerningvoltagesignals(KVL)

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outputcurrentClosed-loopcurrentSeriesonoutput：outputcurrenttendstomorestabilityRL Seriesonoutput：outputcurrenttendstomorestabilityShuntoninput：concerningcurrentsignals(KCL),inputdecreasesbyafactorSeriesonoutputcurrenttendstomorestability,outputincreasesbyafactorof(1+A).12.312.3IdealFeedbackLec华Lec华WhetherInput orOutput increasesaslongasinseries decreasesaslongasinSeries-SeriesConfigurationSeriesoninput：concerningvoltagesignals(KVL),inputincreasesbyafactorof(1+A).Seriesonoutputcurrenttendstomorestability,outputincreasesbyafactorof(1+A).Shunt-ShuntConfigurationShuntoninput：concerningcurrentsignals(KCL),inputdecreasesbyafactorof(1+A).Shuntonoutputvoltagetendstomorestability,outputdecreasesbyafactorof(1+A).SummaryofResults

12.312.3IdealFeedback5.RecognizingLec华Lec华ForinputShunt:feedbackSfandinputSiconnecttosame Series:feedbackSfandinputSiconnecttodifferentSi

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