Bandgap reference circuit
A bandgap reference circuit includes a current-voltage mirror circuit having first, second, third, and fourth nodes, a transistor having a current path coupled between a source of supply voltage and the first node, a current mirror portion having an input coupled to the first node and a control term...
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| creator | BUTLER DOUGLAS BLAINE |
| description | A bandgap reference circuit includes a current-voltage mirror circuit having first, second, third, and fourth nodes, a transistor having a current path coupled between a source of supply voltage and the first node, a current mirror portion having an input coupled to the first node and a control terminal coupled to the fourth node, a serially coupled first resistor and first diode coupled between the output of the current mirror portion and ground, a serially coupled second resistor and second diode coupled between the third node and ground, a third diode coupled between the second node and ground, and a differential amplifier having a first input coupled to the fourth node, a second input coupled to the output of the current mirror portion for generating a bandgap reference voltage, and an output coupled to the gate of the transistor. |
| format | Patent |
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coupled to the first node and a control terminal coupled to the fourth node, a serially coupled first resistor and first diode coupled between the output of the current mirror portion and ground, a serially coupled second resistor and second diode coupled between the third node and ground, a third diode coupled between the second node and ground, and a differential amplifier having a first input coupled to the fourth node, a second input coupled to the output of the current mirror portion for generating a bandgap reference voltage, and an output coupled to the gate of the transistor.</description><edition>7</edition><language>eng</language><subject>AMPLIFIERS ; BASIC ELECTRIC ELEMENTS ; BASIC ELECTRONIC CIRCUITRY ; CONTROLLING ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; PHYSICS ; REGULATING ; SEMICONDUCTOR DEVICES ; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND 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transistor having a current path coupled between a source of supply voltage and the first node, a current mirror portion having an input coupled to the first node and a control terminal coupled to the fourth node, a serially coupled first resistor and first diode coupled between the output of the current mirror portion and ground, a serially coupled second resistor and second diode coupled between the third node and ground, a third diode coupled between the second node and ground, and a differential amplifier having a first input coupled to the fourth node, a second input coupled to the output of the current mirror portion for generating a bandgap reference voltage, and an output coupled to the gate of the transistor.</description><subject>AMPLIFIERS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>CONTROLLING</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND 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OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</topic><toplevel>online_resources</toplevel><creatorcontrib>BUTLER DOUGLAS BLAINE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BUTLER DOUGLAS BLAINE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Bandgap reference circuit</title><date>2004-11-09</date><risdate>2004</risdate><abstract>A bandgap reference circuit includes a current-voltage mirror circuit having first, second, third, and fourth nodes, a transistor having a current path coupled between a source of supply voltage and the first node, a current mirror portion having an input coupled to the first node and a control terminal coupled to the fourth node, a serially coupled first resistor and first diode coupled between the output of the current mirror portion and ground, a serially coupled second resistor and second diode coupled between the third node and ground, a third diode coupled between the second node and ground, and a differential amplifier having a first input coupled to the fourth node, a second input coupled to the output of the current mirror portion for generating a bandgap reference voltage, and an output coupled to the gate of the transistor.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AMPLIFIERS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CONTROLLING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS REGULATING SEMICONDUCTOR DEVICES SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS |
| title | Bandgap reference circuit |
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