GB2490995B - Radio frequency integrated circuit - Google Patents
Radio frequency integrated circuitInfo
- Publication number
- GB2490995B GB2490995B GB1206423.4A GB201206423A GB2490995B GB 2490995 B GB2490995 B GB 2490995B GB 201206423 A GB201206423 A GB 201206423A GB 2490995 B GB2490995 B GB 2490995B
- Authority
- GB
- United Kingdom
- Prior art keywords
- integrated circuit
- radio frequency
- frequency integrated
- radio
- circuit
- 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
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
-
- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
-
- 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
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- 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
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- 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
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/45645—Controlling the input circuit of the differential amplifier
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- 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
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/207—A hybrid coupler being used as power measuring circuit at the output of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
-
- 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
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the 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
- H03F2203/45292—Indexing scheme relating to differential amplifiers the AAC comprising biasing means controlled by the signal
-
- 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
- H03F2203/45301—Indexing scheme relating to differential amplifiers there are multiple cascaded folded or not folded common gate stages of a cascode dif amp
-
- 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
- H03F2203/45316—Indexing scheme relating to differential amplifiers the AAC comprising one or more discrete inductive elements or coils
-
- 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
- H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington coupled 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
- H03F2203/45358—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their sources and drains only, e.g. in a cascode dif amp, only those forming the composite common source transistor
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- 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
- H03F2203/45396—Indexing scheme relating to differential amplifiers the AAC comprising one or more switches
-
- 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
- H03F2203/45424—Indexing scheme relating to differential amplifiers the CMCL comprising a comparator circuit
-
- 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
- H03F2203/45434—Indexing scheme relating to differential amplifiers the CMCL output control signal being a voltage signal
-
- 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
- H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
-
- 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
- H03F2203/45536—Indexing scheme relating to differential amplifiers the FBC comprising a switch and being coupled between the LC and the IC
-
- 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
- H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
-
- 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
- H03F2203/45554—Indexing scheme relating to differential amplifiers the IC comprising one or more coils
-
- 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
- H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
-
- 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
- H03F2203/45596—Indexing scheme relating to differential amplifiers the IC comprising one or more biasing resistors
-
- 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
- H03F2203/45618—Indexing scheme relating to differential amplifiers the IC comprising only one switch
-
- 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
- H03F2203/45704—Indexing scheme relating to differential amplifiers the LC comprising one or more parallel resonance circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/111,423 US8378748B2 (en) | 2011-05-19 | 2011-05-19 | Amplifier |
GB1108444.9A GB2481487B (en) | 2011-05-19 | 2011-05-19 | Amplifier |
GB1115183.4A GB2486515B (en) | 2011-09-02 | 2011-09-02 | Apparatus and method for low noise amplification |
US13/224,430 US8427239B2 (en) | 2011-09-02 | 2011-09-02 | Apparatus and method for low noise amplification |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201206423D0 GB201206423D0 (en) | 2012-05-30 |
GB2490995A GB2490995A (en) | 2012-11-21 |
GB2490995B true GB2490995B (en) | 2013-05-15 |
Family
ID=45091919
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1117606.2A Withdrawn GB2490976A (en) | 2011-05-19 | 2011-10-12 | LNAs adaptable between inductively degenerated and internal impedance matching configurations |
GB1117607.0A Active GB2490977B (en) | 2011-05-19 | 2011-10-12 | Amplifier |
GB1206423.4A Expired - Fee Related GB2490995B (en) | 2011-05-19 | 2011-10-12 | Radio frequency integrated circuit |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1117606.2A Withdrawn GB2490976A (en) | 2011-05-19 | 2011-10-12 | LNAs adaptable between inductively degenerated and internal impedance matching configurations |
GB1117607.0A Active GB2490977B (en) | 2011-05-19 | 2011-10-12 | Amplifier |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB2490976A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9350310B2 (en) * | 2013-05-24 | 2016-05-24 | Qualcomm Incorporated | Receiver front end for carrier aggregation |
GB2545487A (en) * | 2015-12-18 | 2017-06-21 | Nordic Semiconductor Asa | Radio frequency receiver |
CN106234557A (en) * | 2016-10-10 | 2016-12-21 | 成都沃特塞恩电子技术有限公司 | A kind of radio frequency power source and radio frequency thawing apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949979B2 (en) * | 2002-12-05 | 2005-09-27 | Memetics Technology Co. LTD | Designing methods and circuits for multi-band electronic circuits |
US7084707B2 (en) * | 2004-09-24 | 2006-08-01 | Realtek Semiconductor Corp. | Low noise amplifier and related method |
CN101834576A (en) * | 2010-04-08 | 2010-09-15 | 复旦大学 | Multimode tunable CMOS (Complementary Metal Oxide Semiconductor) differential low noise amplifier |
CN101951229A (en) * | 2010-10-15 | 2011-01-19 | 成都国腾电子技术股份有限公司 | Multi-gain mode low-noise amplifier |
KR101019716B1 (en) * | 2008-12-29 | 2011-03-07 | 한국과학기술원 | All band-low noise amplifier |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10132800C1 (en) * | 2001-07-06 | 2003-01-30 | Infineon Technologies Ag | Low noise amplifier circuit |
KR100704568B1 (en) * | 2002-08-05 | 2007-04-06 | 인티그런트 테크놀로지즈(주) | Variable Gain Low Noise Amplifier |
US7843270B2 (en) * | 2006-10-04 | 2010-11-30 | Nanyang Technological University | Low noise amplifier circuit with noise cancellation and increased gain |
US7633345B2 (en) * | 2007-12-26 | 2009-12-15 | Mediatek Inc. | Amplifier and the method thereof |
US8374557B2 (en) * | 2009-07-06 | 2013-02-12 | Rfaxis, Inc. | Radio frequency front end circuit with antenna diversity for multipath mitigation |
-
2011
- 2011-10-12 GB GB1117606.2A patent/GB2490976A/en not_active Withdrawn
- 2011-10-12 GB GB1117607.0A patent/GB2490977B/en active Active
- 2011-10-12 GB GB1206423.4A patent/GB2490995B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949979B2 (en) * | 2002-12-05 | 2005-09-27 | Memetics Technology Co. LTD | Designing methods and circuits for multi-band electronic circuits |
US7084707B2 (en) * | 2004-09-24 | 2006-08-01 | Realtek Semiconductor Corp. | Low noise amplifier and related method |
KR101019716B1 (en) * | 2008-12-29 | 2011-03-07 | 한국과학기술원 | All band-low noise amplifier |
CN101834576A (en) * | 2010-04-08 | 2010-09-15 | 复旦大学 | Multimode tunable CMOS (Complementary Metal Oxide Semiconductor) differential low noise amplifier |
CN101951229A (en) * | 2010-10-15 | 2011-01-19 | 成都国腾电子技术股份有限公司 | Multi-gain mode low-noise amplifier |
Also Published As
Publication number | Publication date |
---|---|
GB2490977A (en) | 2012-11-21 |
GB201206423D0 (en) | 2012-05-30 |
GB201117606D0 (en) | 2011-11-23 |
GB2490995A (en) | 2012-11-21 |
GB201117607D0 (en) | 2011-11-23 |
GB2490976A (en) | 2012-11-21 |
GB2490977B (en) | 2016-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20140102 AND 20140108 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20140109 AND 20140115 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20161012 |