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- Brokaw_bandgap_reference abstract "Brokaw bandgap reference is a voltage reference circuit widely used in integrated circuits, with an output voltage around 1.25 V with only little temperature dependence. This particular circuit is one type of a bandgap voltage reference, named after the author of its first publication.Like all temperature-independent bandgap references, the circuit maintains an internal voltage source that has a positive temperature coefficient and another internal voltage source that has a negative temperature coefficient. By summing the two together, the temperature dependence can be canceled. Additionally, either of the two internal sources can be used as a temperature sensor.In the Brokaw bandgap reference, the circuit uses negative feedback (e.g., an operational amplifier) to force a constant current through two bipolar transistors with different emitter areas. By the Ebers–Moll model of a transistor, The transistor with the larger emitter area requires a smaller base–emitter voltage for the same current. The base–emitter voltage for each transistor has a negative temperature coefficient (i.e., it decreases with temperature). The difference between the two base–emitter voltages has a positive temperature coefficient (i.e., it increases with temperature).The circuit output is the sum of the base–emitter voltage difference with one of the base–emitter voltages. With proper component choices, the two opposing temperature coefficients will cancel each other exactly and the output will have no temperature dependence.".
- Brokaw_bandgap_reference thumbnail Brokaw_cell_theory.gif?width=300.
- Brokaw_bandgap_reference wikiPageExternalLink APaulBro1989.
- Brokaw_bandgap_reference wikiPageExternalLink JSSC_Brokaw.pdf.
- Brokaw_bandgap_reference wikiPageExternalLink lab3_vreg_lm317_example.pdf.
- Brokaw_bandgap_reference wikiPageExternalLink www-national-com_rap.pdf.
- Brokaw_bandgap_reference wikiPageExternalLink 689-bandgap-fikret.pdf.
- Brokaw_bandgap_reference wikiPageExternalLink how-make-bandgap-voltage-reference-one-easy-lesson-paul-brokaw.
- Brokaw_bandgap_reference wikiPageID "515999".
- Brokaw_bandgap_reference wikiPageLength "3725".
- Brokaw_bandgap_reference wikiPageOutDegree "11".
- Brokaw_bandgap_reference wikiPageRevisionID "656186791".
- Brokaw_bandgap_reference wikiPageWikiLink Bandgap_voltage_reference.
- Brokaw_bandgap_reference wikiPageWikiLink Bipolar_junction_transistor.
- Brokaw_bandgap_reference wikiPageWikiLink Category:Analog_circuits.
- Brokaw_bandgap_reference wikiPageWikiLink Category:Electronic_circuits.
- Brokaw_bandgap_reference wikiPageWikiLink Integrated_circuit.
- Brokaw_bandgap_reference wikiPageWikiLink LM317.
- Brokaw_bandgap_reference wikiPageWikiLink Negative_feedback.
- Brokaw_bandgap_reference wikiPageWikiLink Operational_amplifier.
- Brokaw_bandgap_reference wikiPageWikiLink Silicon_bandgap_temperature_sensor.
- Brokaw_bandgap_reference wikiPageWikiLink File:Brokaw_cell_theory.gif.
- Brokaw_bandgap_reference wikiPageWikiLinkText "Brokaw bandgap reference".
- Brokaw_bandgap_reference hasPhotoCollection Brokaw_bandgap_reference.
- Brokaw_bandgap_reference wikiPageUsesTemplate Template:Reflist.
- Brokaw_bandgap_reference subject Category:Analog_circuits.
- Brokaw_bandgap_reference subject Category:Electronic_circuits.
- Brokaw_bandgap_reference hypernym Circuit.
- Brokaw_bandgap_reference type BaseballLeague.
- Brokaw_bandgap_reference type Circuit.
- Brokaw_bandgap_reference comment "Brokaw bandgap reference is a voltage reference circuit widely used in integrated circuits, with an output voltage around 1.25 V with only little temperature dependence.".
- Brokaw_bandgap_reference label "Brokaw bandgap reference".
- Brokaw_bandgap_reference sameAs ブロコウ・セル.
- Brokaw_bandgap_reference sameAs m.02kjqf.
- Brokaw_bandgap_reference sameAs Q4973263.
- Brokaw_bandgap_reference sameAs Q4973263.
- Brokaw_bandgap_reference wasDerivedFrom Brokaw_bandgap_reference?oldid=656186791.
- Brokaw_bandgap_reference depiction Brokaw_cell_theory.gif.
- Brokaw_bandgap_reference isPrimaryTopicOf Brokaw_bandgap_reference.