FR2881298B1 - Dispositif amplificateur radiofrequence, en particulier pour telephone mobile cellulaire - Google Patents
Dispositif amplificateur radiofrequence, en particulier pour telephone mobile cellulaireInfo
- Publication number
- FR2881298B1 FR2881298B1 FR0500797A FR0500797A FR2881298B1 FR 2881298 B1 FR2881298 B1 FR 2881298B1 FR 0500797 A FR0500797 A FR 0500797A FR 0500797 A FR0500797 A FR 0500797A FR 2881298 B1 FR2881298 B1 FR 2881298B1
- Authority
- FR
- France
- Prior art keywords
- mobile telephone
- cellular mobile
- amplifier device
- radiofrequency amplifier
- radiofrequency
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- 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
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
- H03F3/45085—Long tailed pairs
- H03F3/45089—Non-folded cascode stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in 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
- H03F2203/45511—Indexing scheme relating to differential amplifiers the feedback circuit [FBC] comprising one or more transistor stages, e.g. cascaded stages of the dif amp, and being coupled between the loading circuit [LC] and the input circuit [IC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0500797A FR2881298B1 (fr) | 2005-01-26 | 2005-01-26 | Dispositif amplificateur radiofrequence, en particulier pour telephone mobile cellulaire |
US11/338,618 US7345548B2 (en) | 2005-01-26 | 2006-01-24 | Radiofrequency amplifier device, in particular for cellular mobile telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0500797A FR2881298B1 (fr) | 2005-01-26 | 2005-01-26 | Dispositif amplificateur radiofrequence, en particulier pour telephone mobile cellulaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2881298A1 FR2881298A1 (fr) | 2006-07-28 |
FR2881298B1 true FR2881298B1 (fr) | 2007-05-11 |
Family
ID=34953871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0500797A Expired - Fee Related FR2881298B1 (fr) | 2005-01-26 | 2005-01-26 | Dispositif amplificateur radiofrequence, en particulier pour telephone mobile cellulaire |
Country Status (2)
Country | Link |
---|---|
US (1) | US7345548B2 (fr) |
FR (1) | FR2881298B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7489201B2 (en) * | 2006-05-10 | 2009-02-10 | Georgia Tech Research Corp. | Millimeter-wave cascode amplifier gain boosting technique |
US8604879B2 (en) * | 2012-03-30 | 2013-12-10 | Integrated Device Technology Inc. | Matched feedback amplifier with improved linearity |
CN114900142B (zh) * | 2022-06-10 | 2023-04-25 | 成都旋极星源信息技术有限公司 | 一种放大器与无线电子设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69215492T2 (de) * | 1991-12-23 | 1997-05-22 | Philips Electronics Nv | Halbleiteranordnung mit zweistufigen Differenzverstärker |
US5661437A (en) * | 1994-08-15 | 1997-08-26 | Nippon Telegraph And Telephone Corporation | Negative feedback variable gain amplifier circuit |
JP4785243B2 (ja) * | 2000-11-24 | 2011-10-05 | セイコーNpc株式会社 | カスコード増幅回路及びフォールデッド・カスコード増幅回路 |
US6977553B1 (en) * | 2002-09-11 | 2005-12-20 | Marvell International Ltd. | Method and apparatus for an LNA with high linearity and improved gain control |
US6965270B1 (en) * | 2003-12-18 | 2005-11-15 | Xilinx, Inc. | Regulated cascode amplifier with controlled saturation |
-
2005
- 2005-01-26 FR FR0500797A patent/FR2881298B1/fr not_active Expired - Fee Related
-
2006
- 2006-01-24 US US11/338,618 patent/US7345548B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2881298A1 (fr) | 2006-07-28 |
US20060164172A1 (en) | 2006-07-27 |
US7345548B2 (en) | 2008-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
ST | Notification of lapse |
Effective date: 20180928 |