SE368125B - - Google Patents
Info
- Publication number
- SE368125B SE368125B SE01096/72A SE109672A SE368125B SE 368125 B SE368125 B SE 368125B SE 01096/72 A SE01096/72 A SE 01096/72A SE 109672 A SE109672 A SE 109672A SE 368125 B SE368125 B SE 368125B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- 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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
-
- 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
- H03F1/38—Positive-feedback circuit arrangements without negative feedback
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/36—Networks for connecting several sources or loads, working on the same frequency band, to a common load or source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/537—A transformer being used as coupling element between two amplifying stages
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11321371A | 1971-02-08 | 1971-02-08 | |
| US11320171A | 1971-02-08 | 1971-02-08 | |
| US113200A US3868584A (en) | 1971-02-08 | 1971-02-08 | Amplifier with input and output match |
| US12668371A | 1971-03-22 | 1971-03-22 | |
| US204804A US3911372A (en) | 1971-02-08 | 1971-12-06 | Amplifier with input and output impedance match |
| US204865A US3919660A (en) | 1971-02-08 | 1971-12-06 | Amplifiers with impedance-matched inputs and outputs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE368125B true SE368125B (it) | 1974-06-17 |
Family
ID=27557837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE01096/72A SE368125B (it) | 1971-02-08 | 1972-01-31 |
Country Status (11)
| Country | Link |
|---|---|
| US (5) | US3694765A (it) |
| AU (1) | AU459908B2 (it) |
| BE (1) | BE779029A (it) |
| CA (5) | CA957030A (it) |
| CH (1) | CH537120A (it) |
| DE (1) | DE2205345A1 (it) |
| FR (1) | FR2126758A5 (it) |
| GB (1) | GB1376462A (it) |
| IT (1) | IT949031B (it) |
| NL (1) | NL7201639A (it) |
| SE (1) | SE368125B (it) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3583446A (en) * | 1968-06-24 | 1971-06-08 | Frank E Rush Jr | Process and apparatus for loading containers |
| US3928806A (en) * | 1974-11-08 | 1975-12-23 | Us Army | Power dividing and combining techniques for microwave amplifiers |
| US4197431A (en) * | 1978-10-02 | 1980-04-08 | Digital Telephone Systems, Inc. | Subscriber loop feed apparatus |
| US4277655A (en) * | 1978-10-16 | 1981-07-07 | Lear Siegler, Inc. | Automatic gain repeater |
| US4305043A (en) * | 1980-03-03 | 1981-12-08 | Ford Aerospace & Communications Corporation | Coupler having arbitrary impedance transformation ratio and arbitrary coubling ratio |
| SE450677B (sv) * | 1982-04-01 | 1987-07-13 | Ericsson Telefon Ab L M | Matningskrets ingaende i en likstromsmagnetiserad gaffeltransformator |
| US5546083A (en) * | 1981-07-14 | 1996-08-13 | The United States Of America As Represented By The Secretary Of The Air Force | Bidirectional repeater amplifier |
| US4455536A (en) * | 1982-01-21 | 1984-06-19 | International Telecommunications Satellite Organization (Intelsat) | Push-pull microwave amplifier |
| US4656434A (en) * | 1986-02-03 | 1987-04-07 | Raytheon Company | RF power amplifier with load mismatch compensation |
| US4797628A (en) * | 1988-03-23 | 1989-01-10 | Gruchalla Michael E | Distributed push-pull amplifier |
| US5282157A (en) * | 1990-09-13 | 1994-01-25 | Telecom Analysis Systems, Inc. | Input impedance derived from a transfer network |
| US5471527A (en) | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
| US5420551A (en) * | 1994-06-29 | 1995-05-30 | At&T Corp. | Circuit for broadband video transmission over unshielded twisted wire pairs |
| JPH08130428A (ja) * | 1994-10-28 | 1996-05-21 | Sony Corp | 可変利得増幅器 |
| JPH1065467A (ja) * | 1996-08-22 | 1998-03-06 | Matsushita Electric Ind Co Ltd | フィルタ付き低雑音増幅器 |
| US6127887A (en) * | 1998-07-23 | 2000-10-03 | Level One Communications, Inc. | High gain, impedance matching low noise RF amplifier circuit |
| US6160448A (en) * | 1999-07-12 | 2000-12-12 | Aphex Systems | Digitally-controlled low noise variable-gain amplifier |
| WO2001056171A2 (en) | 2000-01-25 | 2001-08-02 | Paradigm Wireless Communications, Llc | Switch assembly with a multi-pole switch for combining amplified rf signals to a single rf signal |
| KR100403972B1 (ko) * | 2000-07-25 | 2003-11-01 | 한국과학기술원 | 초고주파 쌍자극-쌍투 스위치와 초고주파 분배/전송스위치 및 이를 이용한 고효율 전력 증폭기 |
| JP2004506368A (ja) * | 2000-08-07 | 2004-02-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ノイズ及び入力インピーダンス整合増幅器 |
| US6856199B2 (en) | 2000-10-10 | 2005-02-15 | California Institute Of Technology | Reconfigurable distributed active transformers |
| JP2005503679A (ja) | 2000-10-10 | 2005-02-03 | カリフォルニア・インスティテュート・オブ・テクノロジー | 分布型環状電力増幅器の構造 |
| AU2002218307A1 (en) * | 2000-11-28 | 2002-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | A radio frequency amplifying circuit |
| JP2003017951A (ja) * | 2001-06-29 | 2003-01-17 | Harada Ind Co Ltd | Ｆｍアンテナ用増幅器 |
| US6522196B1 (en) * | 2001-08-20 | 2003-02-18 | Harris Corporation | System and method for improving input return loss in RF amplifiers |
| JP4130317B2 (ja) * | 2002-01-31 | 2008-08-06 | 三菱電機株式会社 | 高周波増幅器 |
| TWI326967B (en) | 2002-03-11 | 2010-07-01 | California Inst Of Techn | Differential amplifier |
| US7161433B2 (en) | 2003-06-11 | 2007-01-09 | Mitsubishi Denki Kabushiki Kaisha | High-frequency amplifier |
| US7095283B2 (en) * | 2003-10-28 | 2006-08-22 | Axiom Microdevices, Inc. | Supply circuit for power amplifier drivers |
| US7342754B2 (en) * | 2004-03-02 | 2008-03-11 | Eaton Corporation | Bypass circuit to prevent arcing in a switching device |
| KR101092509B1 (ko) * | 2004-10-25 | 2011-12-13 | 가부시키가이샤 하쿠쥬세이 가가쿠겡큐쇼 | 세라믹형 스피커 |
| US7138861B2 (en) * | 2004-12-29 | 2006-11-21 | Telefonaktiebolaget L M Ericsson (Publ) | Load mismatch adaptation in coupler-based amplifiers |
| US7358815B2 (en) * | 2005-07-02 | 2008-04-15 | Avago Technologies Wireless Ip Pte Ltd | Monolithic transformer based amplifier for integrated circuits |
| US7486141B2 (en) * | 2005-12-21 | 2009-02-03 | Trex Enterprises Corp. | Wide bandwidth, high power amplifier |
| DE102006052611A1 (de) * | 2006-11-08 | 2008-05-15 | Eads Deutschland Gmbh | Leistungsbreitbandverstärker |
| US7612612B2 (en) * | 2007-06-22 | 2009-11-03 | Texas Instruments Incorporated | Calibration circuitry and delay cells in rectilinear RF power amplifier |
| US7710197B2 (en) | 2007-07-11 | 2010-05-04 | Axiom Microdevices, Inc. | Low offset envelope detector and method of use |
| DE102011002238A1 (de) * | 2011-04-21 | 2012-10-25 | Rheinisch-Westfälische Technische Hochschule Aachen | Lineare Verstärkeranordnung für hochfrequente Signale |
| GB2496390B (en) * | 2011-11-08 | 2017-06-28 | Filtronic Wireless Ltd | A filter block and a signal transceiver comprising such a filter block |
| EP2770634B1 (en) * | 2013-02-25 | 2018-09-19 | Telefonaktiebolaget LM Ericsson (publ) | Distributed power amplifier circuit |
| US9166534B2 (en) | 2013-12-17 | 2015-10-20 | Qualcomm Incorporated | Tunable loadline |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2229089A (en) * | 1939-09-28 | 1941-01-21 | Bell Telephone Labor Inc | Switching of spare channel |
| BE510734A (it) * | 1951-04-19 | |||
| US2762870A (en) * | 1953-05-28 | 1956-09-11 | Rca Corp | Push-pull complementary type transistor amplifier |
| US2941154A (en) * | 1957-12-10 | 1960-06-14 | Bell Telephone Labor Inc | Parallel transistor amplifiers |
| BE609595A (it) * | 1960-10-26 | |||
| GB959316A (en) * | 1961-03-14 | 1964-05-27 | Standard Telephones Cables Ltd | Improvements in or relating to signal transmission apparatus |
| US3336540A (en) * | 1965-04-15 | 1967-08-15 | Giannini Scient Corp | Two channel variable cable equalizer having passive amplitude equalization means in only one of the channels |
| US3360739A (en) * | 1965-06-10 | 1967-12-26 | Bell Telephone Labor Inc | Stabilizied dual-channel pulse amplifiers with transient response compensation |
| US3426292A (en) * | 1965-11-18 | 1969-02-04 | Bell Telephone Labor Inc | Phase-coherent band-splitting and recombination network |
| US3403357A (en) * | 1966-04-14 | 1968-09-24 | Hughes Aircraft Co | Switching apparatus for selectively coupling a predetermined number of microwave devices between an input and an output port |
| US3605031A (en) * | 1969-09-04 | 1971-09-14 | Blonder Tongue Lab | Wide-band low-distortion alternating current amplifier |
| US3585516A (en) * | 1969-09-09 | 1971-06-15 | Automatic Elect Lab | All pass network for phase equalizers of wide band communication systems |
-
1971
- 1971-02-08 US US113213A patent/US3694765A/en not_active Expired - Lifetime
- 1971-02-08 US US113200A patent/US3868584A/en not_active Expired - Lifetime
- 1971-03-22 US US126683A patent/US3675145A/en not_active Expired - Lifetime
- 1971-12-06 US US204804A patent/US3911372A/en not_active Expired - Lifetime
- 1971-12-06 US US204865A patent/US3919660A/en not_active Expired - Lifetime
-
1972
- 1972-01-13 CA CA132,356A patent/CA957030A/en not_active Expired
- 1972-01-13 CA CA132,357A patent/CA946946A/en not_active Expired
- 1972-01-13 CA CA132,355A patent/CA961557A/en not_active Expired
- 1972-01-13 CA CA132,354A patent/CA963106A/en not_active Expired
- 1972-01-14 CA CA132,446A patent/CA1008936A/en not_active Expired
- 1972-01-31 SE SE01096/72A patent/SE368125B/xx unknown
- 1972-02-02 AU AU38558/72A patent/AU459908B2/en not_active Expired
- 1972-02-04 DE DE19722205345 patent/DE2205345A1/de active Pending
- 1972-02-07 FR FR7204025A patent/FR2126758A5/fr not_active Expired
- 1972-02-07 BE BE779029A patent/BE779029A/xx unknown
- 1972-02-07 IT IT67370/72A patent/IT949031B/it active
- 1972-02-08 CH CH177472A patent/CH537120A/de not_active IP Right Cessation
- 1972-02-08 GB GB576572A patent/GB1376462A/en not_active Expired
- 1972-02-08 NL NL7201639A patent/NL7201639A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH537120A (de) | 1973-05-15 |
| DE2205345A1 (de) | 1972-08-17 |
| BE779029A (fr) | 1972-05-30 |
| CA961557A (en) | 1975-01-21 |
| IT949031B (it) | 1973-06-11 |
| CA957030A (en) | 1974-10-29 |
| US3868584A (en) | 1975-02-25 |
| CA963106A (en) | 1975-02-18 |
| US3911372A (en) | 1975-10-07 |
| FR2126758A5 (it) | 1972-10-06 |
| GB1376462A (en) | 1974-12-04 |
| US3919660A (en) | 1975-11-11 |
| AU3855872A (en) | 1975-08-09 |
| CA1008936A (en) | 1977-04-19 |
| AU459908B2 (en) | 1975-03-24 |
| US3694765A (en) | 1972-09-26 |
| CA946946A (en) | 1974-05-07 |
| US3675145A (en) | 1972-07-04 |
| NL7201639A (it) | 1972-08-10 |