CA2374794A1 - Divided-voltage fet power amplifiers - Google Patents
Divided-voltage fet power amplifiers Download PDFInfo
- Publication number
- CA2374794A1 CA2374794A1 CA 2374794 CA2374794A CA2374794A1 CA 2374794 A1 CA2374794 A1 CA 2374794A1 CA 2374794 CA2374794 CA 2374794 CA 2374794 A CA2374794 A CA 2374794A CA 2374794 A1 CA2374794 A1 CA 2374794A1
- Authority
- CA
- Canada
- Prior art keywords
- outputs
- esrs
- resonant frequencies
- divided
- series
- 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.)
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Abstract
Divided-voltage FET amplifiers (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 130, 140, 150, 160, 170, 180, 200, or 220) include two or more solid-state current devices, preferably gallium arsenide FETs, (Q1, Q2, Q4, Q5 and/or Q6), connected in series or series-parallel for do operation, and connected in parallel for rf operation, thereby improving power efficiency by using the same current two or more times to develop rf power. Various ones of the embodiments produce separate rf outputs, separately amplify two rf outputs and subsequently combine them into a single rf output, and/or selectively phase shift rf outputs. Isolation between rf frequencies and do voltages includes using decoupling capacitors with selected resonant frequencies and low effective series resistances (ESRs) and using inductors with selected self-resonant frequencies for rf chokes. Preferably, providing low ESRs includes paralleling two or more decoupling capacitors (Ca-n) with low ESRs, whose resonant frequencies can be distributed for wide-band operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2420710 CA2420710C (en) | 2002-03-04 | 2003-03-03 | Power-shifting rf amplifiers |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/028,844 | 2001-12-20 | ||
| US10/028,844 US6683499B2 (en) | 2000-12-27 | 2001-12-20 | Divided-voltage fet power amplifiers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2374794A1 true CA2374794A1 (en) | 2003-06-20 |
| CA2374794C CA2374794C (en) | 2005-05-17 |
Family
ID=21845776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2374794 Expired - Fee Related CA2374794C (en) | 2001-12-20 | 2002-03-06 | Divided-voltage fet power amplifiers |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2374794C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8179196B2 (en) | 2009-05-28 | 2012-05-15 | Analog Devices, Inc. | High voltage amplification using low breakdown voltage devices |
| US8324966B2 (en) | 2011-03-28 | 2012-12-04 | Analog Devices, Inc. | Apparatus and methods for electronic amplification |
| US8571511B2 (en) | 2011-06-10 | 2013-10-29 | Analog Devices, Inc. | Apparatus and method for a wideband RF mixer |
| US8594583B2 (en) | 2010-12-09 | 2013-11-26 | Analog Devices, Inc. | Apparatus and method for radio frequency reception with temperature and frequency independent gain |
-
2002
- 2002-03-06 CA CA 2374794 patent/CA2374794C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8179196B2 (en) | 2009-05-28 | 2012-05-15 | Analog Devices, Inc. | High voltage amplification using low breakdown voltage devices |
| US8594583B2 (en) | 2010-12-09 | 2013-11-26 | Analog Devices, Inc. | Apparatus and method for radio frequency reception with temperature and frequency independent gain |
| US8324966B2 (en) | 2011-03-28 | 2012-12-04 | Analog Devices, Inc. | Apparatus and methods for electronic amplification |
| US8571511B2 (en) | 2011-06-10 | 2013-10-29 | Analog Devices, Inc. | Apparatus and method for a wideband RF mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2374794C (en) | 2005-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |