WO2006018784A3 - High accuracy power detector for handset applications - Google Patents
High accuracy power detector for handset applications Download PDFInfo
- Publication number
- WO2006018784A3 WO2006018784A3 PCT/IB2005/052631 IB2005052631W WO2006018784A3 WO 2006018784 A3 WO2006018784 A3 WO 2006018784A3 IB 2005052631 W IB2005052631 W IB 2005052631W WO 2006018784 A3 WO2006018784 A3 WO 2006018784A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplifier
- transistors
- output
- amplifier transistors
- sensing transistor
- Prior art date
Links
Classifications
-
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- 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
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/465—Power sensing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04103921.5 | 2004-08-16 | ||
EP04103921 | 2004-08-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006018784A2 WO2006018784A2 (en) | 2006-02-23 |
WO2006018784A3 true WO2006018784A3 (en) | 2006-04-27 |
Family
ID=35637349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2005/052631 WO2006018784A2 (en) | 2004-08-16 | 2005-08-08 | High accuracy power detector for handset applications |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2006018784A2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030054778A1 (en) * | 2001-09-14 | 2003-03-20 | Hecht James Burr | Amplifier power detection circuitry |
US20040061557A1 (en) * | 2002-09-03 | 2004-04-01 | Triquint Semiconductor, Inc. | Amplifier power control circuit |
US20040113699A1 (en) * | 2002-12-12 | 2004-06-17 | Renesas Technology Corp. | Radio frequency power amplifier and communication system |
-
2005
- 2005-08-08 WO PCT/IB2005/052631 patent/WO2006018784A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030054778A1 (en) * | 2001-09-14 | 2003-03-20 | Hecht James Burr | Amplifier power detection circuitry |
US20040061557A1 (en) * | 2002-09-03 | 2004-04-01 | Triquint Semiconductor, Inc. | Amplifier power control circuit |
US20040113699A1 (en) * | 2002-12-12 | 2004-06-17 | Renesas Technology Corp. | Radio frequency power amplifier and communication system |
Also Published As
Publication number | Publication date |
---|---|
WO2006018784A2 (en) | 2006-02-23 |
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