IT949031B - Circuito amplificatore - Google Patents
Circuito amplificatoreInfo
- Publication number
- IT949031B IT949031B IT67370/72A IT6737072A IT949031B IT 949031 B IT949031 B IT 949031B IT 67370/72 A IT67370/72 A IT 67370/72A IT 6737072 A IT6737072 A IT 6737072A IT 949031 B IT949031 B IT 949031B
- Authority
- IT
- Italy
- Prior art keywords
- amplifier circuit
- amplifier
- circuit
- Prior art date
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 |
---|---|---|---|
US11320171A | 1971-02-08 | 1971-02-08 | |
US11321371A | 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 | |
US204865A US3919660A (en) | 1971-02-08 | 1971-12-06 | Amplifiers with impedance-matched inputs and outputs |
US204804A US3911372A (en) | 1971-02-08 | 1971-12-06 | Amplifier with input and output impedance match |
Publications (1)
Publication Number | Publication Date |
---|---|
IT949031B true IT949031B (it) | 1973-06-11 |
Family
ID=27557837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67370/72A IT949031B (it) | 1971-02-08 | 1972-02-07 | Circuito amplificatore |
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 |
US6587014B2 (en) | 2000-01-25 | 2003-07-01 | 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 |
DE60131542T2 (de) * | 2000-08-07 | 2008-09-25 | Nxp B.V. | Rausch- und eingangsimpedanzangepasster verstärker |
US6856199B2 (en) * | 2000-10-10 | 2005-02-15 | California Institute Of Technology | Reconfigurable distributed active transformers |
ATE522979T1 (de) | 2000-10-10 | 2011-09-15 | California Inst Of Techn | Verteilte leistungsverstärkerarchitektur mit kreisförmiger geometrie |
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 |
US7471153B2 (en) * | 2003-10-28 | 2008-12-30 | Axiom Microdevices, Inc. | Multi-primary distributed active transformer amplifier power supply and control |
US7342754B2 (en) * | 2004-03-02 | 2008-03-11 | Eaton Corporation | Bypass circuit to prevent arcing in a switching device |
US20070230732A1 (en) * | 2004-10-25 | 2007-10-04 | Taiji Matsufuji | Ceramic-Type Loudspeaker |
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 |
---|---|---|---|---|
US2229090A (en) * | 1939-09-28 | 1941-01-21 | Bell Telephone Labor Inc | Switching of spare repeater sections |
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 CA132,355A patent/CA961557A/en not_active Expired
- 1972-01-13 CA CA132,357A patent/CA946946A/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 IT IT67370/72A patent/IT949031B/it active
- 1972-02-07 BE BE779029A patent/BE779029A/xx unknown
- 1972-02-08 GB GB576572A patent/GB1376462A/en not_active Expired
- 1972-02-08 NL NL7201639A patent/NL7201639A/xx unknown
- 1972-02-08 CH CH177472A patent/CH537120A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU459908B2 (en) | 1975-03-24 |
CA957030A (en) | 1974-10-29 |
DE2205345A1 (de) | 1972-08-17 |
BE779029A (fr) | 1972-05-30 |
GB1376462A (en) | 1974-12-04 |
US3868584A (en) | 1975-02-25 |
FR2126758A5 (it) | 1972-10-06 |
AU3855872A (en) | 1975-08-09 |
CA963106A (en) | 1975-02-18 |
US3694765A (en) | 1972-09-26 |
US3675145A (en) | 1972-07-04 |
US3911372A (en) | 1975-10-07 |
SE368125B (it) | 1974-06-17 |
CA1008936A (en) | 1977-04-19 |
US3919660A (en) | 1975-11-11 |
NL7201639A (it) | 1972-08-10 |
CA961557A (en) | 1975-01-21 |
CH537120A (de) | 1973-05-15 |
CA946946A (en) | 1974-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT949031B (it) | Circuito amplificatore | |
AR193989A1 (es) | Circuito integrado | |
AT342328B (de) | Tonbandkassette | |
ATA63272A (de) | Sportschuh | |
IT1015570B (it) | Circuito amplificatore | |
SE385756B (sv) | Forsterkarkrets | |
AT345895B (de) | Differenzverstaerkerschaltung | |
AT354524B (de) | Peilverfahren | |
BR7204641D0 (pt) | Um circuito excitador | |
FI55046B (fi) | Saett att aongreformera kolvaeten | |
FI53912C (fi) | Saett att framstaella en expanderad aetlig proteinprodukt | |
BR7308817D0 (pt) | Circuito amplificador | |
AT328204B (de) | Zielfernrohr | |
TR17206A (tr) | Daktilo seridi kaseti | |
BE783235A (fr) | Kleurenfotografisch veellagenmateriaal | |
NL171217C (nl) | Telefoon - conferentie-versterkerschakeling. | |
NL7503901A (nl) | Versterkerschakeling. | |
AT312687B (de) | Leitungsverstärker | |
BE782714A (fr) | Metselmachine | |
BE780406A (fr) | Tabulatorponsmachine | |
IT954702B (it) | Circuito filtrante attivo | |
AR195967A1 (es) | Circuito electrico | |
AT324158B (de) | Eckumlenkungsvorrichtung | |
BE782997A (fr) | Verbeterd fotografisch kleurenmateriaal | |
BR7303046D0 (pt) | Circuito amplificador simetrico |