Transcription of Demystifying the Operational Transconductance Amplifier ...
{{id}} {{{paragraph}}}
Example: confidence
Demystifying the Operational Transconductance Amplifier ...
1 SBOA117A May 2009 RevisedApril2013 SubmitDocumentationFeedbackCopyright 2009 2013,TexasInstrumentsIncorporatedDemysti fyingthe OperationalTransconductanceAmplifierAll trademarksare the propertyof May 2009 RevisedApril2013 Demystifyingthe (OTAs) ,thesedevicesservea veryusefulfunctionthat is beingimplementedon a regularbasisin manyintegratedcircuitsas an elementfor moreadvancedpurposes;the currentfeedbackamplifieris amongthe purposeof this applicationreportis to showhow also developsseveralexamplesof how this typeof componentcan be put togooduse for of an of Figures1 TypicalOTAE lementsand the (CC Type2) with the the versatilebuildingblocksthat intrinsicallyofferwidebandwidthfor manytypesof ,or voltage-controlledcurrentsource,can be viewedas an the transistormodel,ithas threeterminals:a high inputimpedance(base,orB); a low-impedanceinput/output(emitter,orE);a nd a currentoutput(collector,orC). However,unlikea bipolartransistor,the OTAis self-biasedand hasbipolaroutput,meaningthat the outputcurrentsourcecan eithersourceor sink the zerofor a zeroproducean output3 B2EC8 OPA861VI100 WRERLVON oninverting GainV= 0 VOST ransconductor(used here)CBED iamondTransistor321 VIN2 IOUTVIN1 Voltage-ControlledCurrent SourceIOUTVIN2 VIN1 ZCCII+Current Conveyor II+CBEM acro May 2009 RevisedApril2013 SubmitDocumentationFeedbackCopyright 2009 2013,TexasInstrumentsIncorporatedDemysti fyingthe OperationalTransconductanceAmplifi
3 B 2 E C 8 V I OPA861 100 W R E R L V O Noninverting Gain V = 0VOS Transconductor (used here) C B E Diamond Transistor 3 2 1 V IN2 IOUT V IN1 Voltage-Controlled Current Source IOUT V IN2 V IN1 Z CCII+ Current Conveyor II+
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: