DE3778774D1 - Doppelter differenzieller summierverstaerker mit vier unabhaengigen eingaengen. - Google Patents
Doppelter differenzieller summierverstaerker mit vier unabhaengigen eingaengen.Info
- Publication number
- DE3778774D1 DE3778774D1 DE8787401468T DE3778774T DE3778774D1 DE 3778774 D1 DE3778774 D1 DE 3778774D1 DE 8787401468 T DE8787401468 T DE 8787401468T DE 3778774 T DE3778774 T DE 3778774T DE 3778774 D1 DE3778774 D1 DE 3778774D1
- Authority
- DE
- Germany
- Prior art keywords
- double differential
- independent inputs
- differential summer
- summer amplifier
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- H03F3/45076—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45574—Indexing scheme relating to differential amplifiers the IC comprising four or more input leads connected to four or more AAC-transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45648—Indexing scheme relating to differential amplifiers the LC comprising two current sources, which are not cascode current sources
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45674—Indexing scheme relating to differential amplifiers the LC comprising one current mirror
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8609376A FR2600844A1 (fr) | 1986-06-27 | 1986-06-27 | Amplificateur sommateur differentiel double a quatre entrees independantes |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3778774D1 true DE3778774D1 (de) | 1992-06-11 |
Family
ID=9336815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787401468T Expired - Lifetime DE3778774D1 (de) | 1986-06-27 | 1987-06-25 | Doppelter differenzieller summierverstaerker mit vier unabhaengigen eingaengen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4780630A (de) |
EP (1) | EP0253704B1 (de) |
DE (1) | DE3778774D1 (de) |
FR (1) | FR2600844A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578965A (en) * | 1994-06-13 | 1996-11-26 | Nec Corporation | Tunable operational transconductance amplifier and two-quadrant multiplier employing MOS transistors |
US5525928A (en) * | 1995-02-27 | 1996-06-11 | Silicon Systems, Inc. | Filter boost preattenuator |
JPH11251848A (ja) * | 1998-03-05 | 1999-09-17 | Nec Corp | チューナブルmos線形トランスコンダクタンス・アンプ |
US7792506B1 (en) * | 2006-10-20 | 2010-09-07 | Triquint Semiconductor, Inc. | Power-control circuit with threshold limiting characteristics |
US7564307B2 (en) * | 2007-09-04 | 2009-07-21 | International Business Machines Corporation | Common mode feedback amplifier with switched differential capacitor |
DE102019110021A1 (de) | 2019-04-16 | 2020-10-22 | Karlsruher Institut für Technologie | Elektronische Schaltung für einen Differenzverstärker mit mindestens vier Eingängen |
CN114915267A (zh) * | 2022-04-19 | 2022-08-16 | 瑞声声学科技(深圳)有限公司 | 单端转差分麦克风电路及电子设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3956643A (en) * | 1974-09-12 | 1976-05-11 | Texas Instruments Incorporated | MOS analog multiplier |
US4081758A (en) * | 1976-05-27 | 1978-03-28 | Rca Corporation | Low distortion signal amplifier arrangement |
US4342004A (en) * | 1979-05-15 | 1982-07-27 | Tokyo Shibaura Denki Kabushiki Kaisha | Voltage comparator circuit |
US4460874A (en) * | 1981-08-14 | 1984-07-17 | American Microsystems, Incorporated | Three-terminal operational amplifier/comparator with offset compensation |
DE3232442A1 (de) * | 1982-09-01 | 1984-03-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Operationsverstaerkeranordnung |
JPS59181711A (ja) * | 1983-03-30 | 1984-10-16 | Nec Ic Microcomput Syst Ltd | 差動増幅回路 |
US4554515A (en) * | 1984-07-06 | 1985-11-19 | At&T Laboratories | CMOS Operational amplifier |
-
1986
- 1986-06-27 FR FR8609376A patent/FR2600844A1/fr not_active Withdrawn
-
1987
- 1987-06-25 DE DE8787401468T patent/DE3778774D1/de not_active Expired - Lifetime
- 1987-06-25 EP EP87401468A patent/EP0253704B1/de not_active Expired - Lifetime
- 1987-06-26 US US07/067,592 patent/US4780630A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4780630A (en) | 1988-10-25 |
FR2600844A1 (fr) | 1987-12-31 |
EP0253704B1 (de) | 1992-05-06 |
EP0253704A1 (de) | 1988-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |