DE69024089D1 - Schaltungsanordnung zur Erhöhung der Transkonduktanz einer Differenzverstärkerstufe mit MOS-Transistoren - Google Patents
Schaltungsanordnung zur Erhöhung der Transkonduktanz einer Differenzverstärkerstufe mit MOS-TransistorenInfo
- Publication number
- DE69024089D1 DE69024089D1 DE69024089T DE69024089T DE69024089D1 DE 69024089 D1 DE69024089 D1 DE 69024089D1 DE 69024089 T DE69024089 T DE 69024089T DE 69024089 T DE69024089 T DE 69024089T DE 69024089 D1 DE69024089 D1 DE 69024089D1
- Authority
- DE
- Germany
- Prior art keywords
- transconductance
- increasing
- differential amplifier
- circuit arrangement
- mos transistors
- 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 - Fee Related
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
-
- 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
- H03F2203/45026—One or more current sources are added to the amplifying transistors in the differential amplifier
-
- 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
- H03F2203/45036—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors are single 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
- H03F2203/45192—Indexing scheme relating to differential amplifiers the differential amplifier contains current mirrors comprising diodes which act as a load for the differential amplifier
-
- 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
- H03F2203/45251—Indexing scheme relating to differential amplifiers the dif amp has a cross coupling circuit in the source circuit of the amplifying 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
- H03F2203/45288—Differential amplifier with circuit arrangements to enhance the transconductance
-
- 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
- H03F2203/45318—Indexing scheme relating to differential amplifiers the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
-
- 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
- H03F2203/45658—Indexing scheme relating to differential amplifiers the LC comprising two diodes of current mirrors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8920317A IT1230187B (it) | 1989-04-28 | 1989-04-28 | Dispositivo circuitale per elevare la transconduttanza di uno stadio amplificatore differenziale comprendente transistori mos. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69024089D1 true DE69024089D1 (de) | 1996-01-25 |
DE69024089T2 DE69024089T2 (de) | 1996-05-09 |
Family
ID=11165685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69024089T Expired - Fee Related DE69024089T2 (de) | 1989-04-28 | 1990-03-30 | Schaltungsanordnung zur Erhöhung der Transkonduktanz einer Differenzverstärkerstufe mit MOS-Transistoren |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0394703B1 (de) |
JP (1) | JPH0364109A (de) |
DE (1) | DE69024089T2 (de) |
IT (1) | IT1230187B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3380371B2 (ja) * | 1995-06-22 | 2003-02-24 | 三菱電機株式会社 | 広帯域増幅器 |
GB9516025D0 (en) * | 1995-08-04 | 1995-10-04 | Philips Electronics Uk Ltd | Amplifier |
JP4667781B2 (ja) * | 2004-07-21 | 2011-04-13 | ルネサスエレクトロニクス株式会社 | 電流源回路及び差動増幅器 |
CN112088488A (zh) | 2018-05-10 | 2020-12-15 | 索尼半导体解决方案公司 | 放大器电路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6908784A (de) * | 1969-06-10 | 1970-12-14 | ||
JPS62192997A (ja) * | 1986-02-20 | 1987-08-24 | Toshiba Corp | カレントミラ−型センスアンプ |
US4720685A (en) * | 1986-09-02 | 1988-01-19 | Tektronix, Inc. | FET transconductance amplifier with improved linearity and gain |
GB2211044A (en) * | 1987-10-08 | 1989-06-21 | Plessey Co Plc | Linear differential amplifier |
-
1989
- 1989-04-28 IT IT8920317A patent/IT1230187B/it active
-
1990
- 1990-03-30 DE DE69024089T patent/DE69024089T2/de not_active Expired - Fee Related
- 1990-03-30 EP EP90106132A patent/EP0394703B1/de not_active Expired - Lifetime
- 1990-04-25 JP JP2107698A patent/JPH0364109A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH0364109A (ja) | 1991-03-19 |
EP0394703A2 (de) | 1990-10-31 |
EP0394703B1 (de) | 1995-12-13 |
DE69024089T2 (de) | 1996-05-09 |
IT1230187B (it) | 1991-10-18 |
IT8920317A0 (it) | 1989-04-28 |
EP0394703A3 (de) | 1991-02-06 |
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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 |