ITTO20000493A0 - Circuito ad amplificatore operazionale a condensatori commutati, totalmente differenziale, con controllo di modo comune in uscita. - Google Patents
Circuito ad amplificatore operazionale a condensatori commutati, totalmente differenziale, con controllo di modo comune in uscita.Info
- Publication number
- ITTO20000493A0 ITTO20000493A0 IT2000TO000493A ITTO20000493A ITTO20000493A0 IT TO20000493 A0 ITTO20000493 A0 IT TO20000493A0 IT 2000TO000493 A IT2000TO000493 A IT 2000TO000493A IT TO20000493 A ITTO20000493 A IT TO20000493A IT TO20000493 A0 ITTO20000493 A0 IT TO20000493A0
- Authority
- IT
- Italy
- Prior art keywords
- operational amplifier
- amplifier circuit
- output control
- common mode
- switched capacitor
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/4565—Controlling the common source circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000TO000493A IT1320380B1 (it) | 2000-05-26 | 2000-05-26 | Circuito ad amplificatore operazionale a condensatori commutati,totalmente differenziale, con controllo di modo comune in uscita. |
US09/864,916 US6411166B2 (en) | 2000-05-26 | 2001-05-23 | Fully differential, switched capacitor, operational amplifier circuit with common-mode controlled output |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000TO000493A IT1320380B1 (it) | 2000-05-26 | 2000-05-26 | Circuito ad amplificatore operazionale a condensatori commutati,totalmente differenziale, con controllo di modo comune in uscita. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO20000493A0 true ITTO20000493A0 (it) | 2000-05-26 |
ITTO20000493A1 ITTO20000493A1 (it) | 2001-11-26 |
IT1320380B1 IT1320380B1 (it) | 2003-11-26 |
Family
ID=11457760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2000TO000493A IT1320380B1 (it) | 2000-05-26 | 2000-05-26 | Circuito ad amplificatore operazionale a condensatori commutati,totalmente differenziale, con controllo di modo comune in uscita. |
Country Status (2)
Country | Link |
---|---|
US (1) | US6411166B2 (it) |
IT (1) | IT1320380B1 (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020178139A1 (en) * | 2001-03-28 | 2002-11-28 | Chen Jeane S. | Virtual shared databases |
ITRM20010458A1 (it) * | 2001-07-27 | 2003-01-27 | St Microelectronics Srl | Circuito amplificatore differenziale con regolazione di tensione di modo comune d'uscita. |
DE10249835B4 (de) * | 2002-10-25 | 2008-04-03 | Infineon Technologies Ag | Voll differentieller Operationsverstärker |
JP2004297762A (ja) * | 2003-03-11 | 2004-10-21 | Fujitsu Ltd | 同相帰還回路および差動演算増幅回路 |
US7088181B1 (en) | 2004-03-05 | 2006-08-08 | Marvell International Ltd. | Method and apparatus for common mode control |
US7365597B2 (en) * | 2005-08-19 | 2008-04-29 | Micron Technology, Inc. | Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy |
EP2264890B1 (en) * | 2009-06-19 | 2012-11-14 | ST-Ericsson SA | Common mode voltage control |
US9166533B2 (en) * | 2009-07-30 | 2015-10-20 | Qualcomm Incorporated | Bias current monitor and control mechanism for amplifiers |
US8305820B2 (en) * | 2010-04-29 | 2012-11-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | Switched capacitor based negative bitline voltage generation scheme |
US8633764B2 (en) * | 2011-06-10 | 2014-01-21 | International Business Machines Corporation | Restoring output common-mode of amplifier via capacitive coupling |
US9397645B2 (en) * | 2014-03-25 | 2016-07-19 | Infineon Technologies Austria Ag | Circuit for common mode removal for DC-coupled front-end circuits |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4996498A (en) * | 1990-01-03 | 1991-02-26 | Motorola, Inc. | Common mode compensation for differential integrating filter |
US5049831A (en) * | 1990-03-29 | 1991-09-17 | Motorola, Inc. | Single-ended input to differential output amplifier with integral two-pole filter |
US5359294A (en) * | 1993-10-05 | 1994-10-25 | Motorola, Inc. | Charge-balanced switched-capacitor circuit and amplifier circuit using same |
DE69623963D1 (de) | 1996-10-11 | 2002-10-31 | St Microelectronics Srl | Gleichtaktregelungsschaltung für einen geschalteten volldifferentiellen Operationsverstärker |
-
2000
- 2000-05-26 IT IT2000TO000493A patent/IT1320380B1/it active
-
2001
- 2001-05-23 US US09/864,916 patent/US6411166B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020011900A1 (en) | 2002-01-31 |
ITTO20000493A1 (it) | 2001-11-26 |
US6411166B2 (en) | 2002-06-25 |
IT1320380B1 (it) | 2003-11-26 |
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