GB2301248B - Amplifying circuit and method for determining optimal bias voltages therein - Google Patents
Amplifying circuit and method for determining optimal bias voltages thereinInfo
- Publication number
- GB2301248B GB2301248B GB9510666A GB9510666A GB2301248B GB 2301248 B GB2301248 B GB 2301248B GB 9510666 A GB9510666 A GB 9510666A GB 9510666 A GB9510666 A GB 9510666A GB 2301248 B GB2301248 B GB 2301248B
- Authority
- GB
- United Kingdom
- Prior art keywords
- amplifying circuit
- bias voltages
- determining optimal
- optimal bias
- determining
- 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
- H03F1/02—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
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0003498A GB2345211B (en) | 1995-05-25 | 1995-05-25 | Programming means for setting optimal bias voltages |
GB9510666A GB2301248B (en) | 1995-05-25 | 1995-05-25 | Amplifying circuit and method for determining optimal bias voltages therein |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9510666A GB2301248B (en) | 1995-05-25 | 1995-05-25 | Amplifying circuit and method for determining optimal bias voltages therein |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9510666D0 GB9510666D0 (en) | 1995-07-19 |
GB2301248A GB2301248A (en) | 1996-11-27 |
GB2301248B true GB2301248B (en) | 2000-08-09 |
Family
ID=10775065
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9510666A Expired - Fee Related GB2301248B (en) | 1995-05-25 | 1995-05-25 | Amplifying circuit and method for determining optimal bias voltages therein |
GB0003498A Expired - Fee Related GB2345211B (en) | 1995-05-25 | 1995-05-25 | Programming means for setting optimal bias voltages |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0003498A Expired - Fee Related GB2345211B (en) | 1995-05-25 | 1995-05-25 | Programming means for setting optimal bias voltages |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2301248B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043706A (en) * | 1999-02-05 | 2000-03-28 | Ericsson Inc. | Methods and apparatus for controlling power amplifier quiescent current in a wireless communication device |
US6873044B2 (en) | 2000-09-11 | 2005-03-29 | Xytrans, Inc. | Microwave monolithic integrated circuit package |
US7027789B2 (en) | 2000-09-11 | 2006-04-11 | Xytrans, Inc. | Self-tuned millimeter wave RF transceiver module |
GB0028689D0 (en) * | 2000-11-24 | 2001-01-10 | Qualcomm Uk Ltd | Amplifier circuit |
US6515545B1 (en) * | 2001-08-17 | 2003-02-04 | Harris Corporation | RF power amplifier transistor quiescent current checking and adjusting |
US6573796B2 (en) * | 2001-09-24 | 2003-06-03 | Infineon Technologies Ag | Automatic LDMOS biasing with long term hot carrier compensation |
GB2381681A (en) * | 2001-10-31 | 2003-05-07 | Motorola Inc | Automatic transmitter bias adjustment between TDMA slots |
EP1526636A1 (en) * | 2003-10-23 | 2005-04-27 | Broadcom Corporation | High linearity, high efficiency power amplifier with DSP assisted linearity optimization |
US7421254B2 (en) | 2003-10-23 | 2008-09-02 | Broadcom Corporation | High linearity, high efficiency power amplifier with DSP assisted linearity optimization |
US7355478B2 (en) * | 2006-06-30 | 2008-04-08 | Andrew Corporation | RF amplifier with pulse detection and bias control |
US9166533B2 (en) * | 2009-07-30 | 2015-10-20 | Qualcomm Incorporated | Bias current monitor and control mechanism for amplifiers |
WO2019107264A1 (en) * | 2017-12-01 | 2019-06-06 | 株式会社村田製作所 | Amplifying device, method for manufacturing amplifying device, and method for correcting bias current |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401013A2 (en) * | 1989-05-31 | 1990-12-05 | Nec Corporation | High frequency amplifier circuit capable of optimizing a total power consumption |
-
1995
- 1995-05-25 GB GB9510666A patent/GB2301248B/en not_active Expired - Fee Related
- 1995-05-25 GB GB0003498A patent/GB2345211B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401013A2 (en) * | 1989-05-31 | 1990-12-05 | Nec Corporation | High frequency amplifier circuit capable of optimizing a total power consumption |
Also Published As
Publication number | Publication date |
---|---|
GB9510666D0 (en) | 1995-07-19 |
GB2345211A (en) | 2000-06-28 |
GB0003498D0 (en) | 2000-04-05 |
GB2345211B (en) | 2000-08-09 |
GB2301248A (en) | 1996-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20090525 |