BR9704737A - Sistema amplificador - Google Patents
Sistema amplificadorInfo
- Publication number
- BR9704737A BR9704737A BR9704737A BR9704737A BR9704737A BR 9704737 A BR9704737 A BR 9704737A BR 9704737 A BR9704737 A BR 9704737A BR 9704737 A BR9704737 A BR 9704737A BR 9704737 A BR9704737 A BR 9704737A
- Authority
- BR
- Brazil
- Prior art keywords
- amplifier system
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Microwave Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9619705A GB2317517B (en) | 1996-09-20 | 1996-09-20 | Amplifier system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9704737A true BR9704737A (pt) | 1999-01-19 |
Family
ID=10800282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9704737A BR9704737A (pt) | 1996-09-20 | 1997-09-18 | Sistema amplificador |
Country Status (8)
Country | Link |
---|---|
US (1) | US5929707A (pt) |
EP (1) | EP0831584B1 (pt) |
JP (1) | JP3317883B2 (pt) |
KR (1) | KR19980024758A (pt) |
BR (1) | BR9704737A (pt) |
DE (1) | DE69714166T2 (pt) |
ES (1) | ES2180897T3 (pt) |
GB (1) | GB2317517B (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6013299A (en) * | 1997-11-04 | 2000-01-11 | Nabisco Techology Company | Process for making enzyme-resistant starch for reduced-calorie flour replacer |
US6795690B2 (en) * | 1999-10-12 | 2004-09-21 | Qualcomm, Incorporated | Full-duplex transceiver with distributed duplexing function |
US6268774B1 (en) | 1999-11-05 | 2001-07-31 | Intel Corporation | Self-tuning amplifier |
ATE313873T1 (de) * | 2000-05-16 | 2006-01-15 | Stephen Anthony Gerar Chandler | Rückgekoppelte hochfrequenzverstärker |
US6681103B1 (en) | 2000-08-25 | 2004-01-20 | Sige Semiconductor Inc. | On-chip image reject filter |
US20040196265A1 (en) * | 2001-07-17 | 2004-10-07 | Nohr Steven P. | System and method for finger held hardware device |
JP4176606B2 (ja) * | 2003-09-29 | 2008-11-05 | シャープ株式会社 | エミッタ接地回路を用いた高周波受信機 |
KR20070052782A (ko) | 2004-09-10 | 2007-05-22 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 증폭 방법, 증폭기 및 증폭 회로 |
JPWO2013011903A1 (ja) * | 2011-07-16 | 2015-02-23 | 日本電気株式会社 | 増幅回路及び増幅方法 |
US9985592B2 (en) * | 2015-05-13 | 2018-05-29 | Skyworks Solutions, Inc. | High gain RF power amplifier with negative capacitor |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023369A (en) * | 1959-02-09 | 1962-02-27 | Blonder Tongue Elect | Variable-gain transistor circuit |
NL6803411A (pt) * | 1968-03-09 | 1969-09-11 | ||
US3571721A (en) * | 1968-05-01 | 1971-03-23 | Motorola Inc | Agc with variable capacity to bypass rf stage degenerative feedback |
JPS527304B1 (pt) * | 1969-08-29 | 1977-03-01 | ||
NL162278C (nl) * | 1971-03-27 | 1980-04-15 | Philips Nv | Lijnversterker. |
JPS54120563A (en) * | 1978-03-10 | 1979-09-19 | Nippon Telegr & Teleph Corp <Ntt> | High-frequency feedback ampllfier |
DE2952793C2 (de) * | 1979-12-31 | 1983-04-28 | Flachenecker, Gerhard, Prof. Dr.-Ing., 8012 Ottobrunn | Abstimmbare Empfängereingangsschaltung |
US4409557A (en) * | 1981-04-23 | 1983-10-11 | Rca Corporation | Bandpass filter with an active element |
JPS59195824U (ja) * | 1983-06-15 | 1984-12-26 | 日本電気株式会社 | 利得制御回路 |
US5241284A (en) * | 1990-02-16 | 1993-08-31 | Nokia Mobile Phones Ltd. | Circuit arrangement for connecting RF amplifier and supply voltage filter |
JPH0575357A (ja) * | 1991-09-10 | 1993-03-26 | Mitsubishi Electric Corp | 低雑音増幅器 |
US5339048A (en) * | 1993-05-03 | 1994-08-16 | Motorola, Inc. | Radio frequency amplifier |
JPH0786844A (ja) * | 1993-09-14 | 1995-03-31 | Fujitsu Ltd | 低歪み率増幅器 |
JP3319252B2 (ja) * | 1995-12-13 | 2002-08-26 | 三菱電機株式会社 | 歪補償回路 |
-
1996
- 1996-09-20 GB GB9619705A patent/GB2317517B/en not_active Expired - Fee Related
-
1997
- 1997-08-29 EP EP97306617A patent/EP0831584B1/en not_active Expired - Lifetime
- 1997-08-29 DE DE69714166T patent/DE69714166T2/de not_active Expired - Fee Related
- 1997-08-29 ES ES97306617T patent/ES2180897T3/es not_active Expired - Lifetime
- 1997-09-05 US US08/924,809 patent/US5929707A/en not_active Expired - Fee Related
- 1997-09-18 BR BR9704737A patent/BR9704737A/pt not_active IP Right Cessation
- 1997-09-19 KR KR1019970047704A patent/KR19980024758A/ko not_active Application Discontinuation
- 1997-09-19 JP JP25400097A patent/JP3317883B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2317517B (en) | 2001-03-14 |
DE69714166D1 (de) | 2002-08-29 |
GB9619705D0 (en) | 1996-11-06 |
EP0831584A1 (en) | 1998-03-25 |
JPH10107554A (ja) | 1998-04-24 |
ES2180897T3 (es) | 2003-02-16 |
GB2317517A (en) | 1998-03-25 |
EP0831584B1 (en) | 2002-07-24 |
DE69714166T2 (de) | 2003-02-13 |
JP3317883B2 (ja) | 2002-08-26 |
US5929707A (en) | 1999-07-27 |
KR19980024758A (ko) | 1998-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A, 8A, 9A E 10A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1905 DE 10/07/2007. |