GB9318694D0 - Radio transmitter with power amplifier linearizer - Google Patents
Radio transmitter with power amplifier linearizerInfo
- Publication number
- GB9318694D0 GB9318694D0 GB939318694A GB9318694A GB9318694D0 GB 9318694 D0 GB9318694 D0 GB 9318694D0 GB 939318694 A GB939318694 A GB 939318694A GB 9318694 A GB9318694 A GB 9318694A GB 9318694 D0 GB9318694 D0 GB 9318694D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- power amplifier
- radio transmitter
- amplifier linearizer
- linearizer
- transmitter
- 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.)
- Granted
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
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- 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
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/57—Separate feedback of real and complex signals being present
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9318694A GB2282290B (en) | 1993-09-09 | 1993-09-09 | Radio transmitter with power amplifier linearizer |
EP94927029A EP0665996A1 (en) | 1993-08-20 | 1994-08-11 | Radio transmitter with power amplifier linearizer |
CN94190710A CN1114847A (en) | 1993-08-20 | 1994-08-11 | Radio transmitter with power amplifier linearizer |
PCT/IB1994/000301 WO1995006354A1 (en) | 1993-08-20 | 1994-08-11 | Radio transmitter with power amplifier linearizer |
US08/424,298 US5722056A (en) | 1993-08-20 | 1994-08-11 | Radio transmitter with power amplifier linearizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9318694A GB2282290B (en) | 1993-09-09 | 1993-09-09 | Radio transmitter with power amplifier linearizer |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9318694D0 true GB9318694D0 (en) | 1993-10-27 |
GB2282290A GB2282290A (en) | 1995-03-29 |
GB2282290B GB2282290B (en) | 1997-11-19 |
Family
ID=10741753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9318694A Expired - Fee Related GB2282290B (en) | 1993-08-20 | 1993-09-09 | Radio transmitter with power amplifier linearizer |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2282290B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2301247A (en) | 1995-05-22 | 1996-11-27 | Univ Bristol | A cartesian loop transmitter amplifier |
GB2326297B (en) * | 1997-06-09 | 2002-03-20 | Linear Modulation Tech | Radio frequency signal processing and amplification in cartesian loop amplifiers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2265270B (en) * | 1992-03-02 | 1996-06-12 | Motorola Ltd | Rf power amplifier with linearization |
-
1993
- 1993-09-09 GB GB9318694A patent/GB2282290B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2282290A (en) | 1995-03-29 |
GB2282290B (en) | 1997-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20000909 |