H03F 2201/3231
Adaptive predistortion using phase feedback from the output of the main amplifier
H03F2201/3231 (Adaptive predistortion using phase feedback from the output of the main amplifier) appears on 43 US grants and 30 published applications in this corpus.
Search patents in H03F- Granted patents
- 43
- Published applications
- 30
- Assignees
- 27
- Inventors
- 81
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 4 | 5 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 4 |
| 2022 | 4 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High efficiency power amplifier26 May 2026US 12,640,695 B2Skyworks Solutions, Inc.
- Digital predistortion of signals14 Nov 2023US 11,817,892 B2Apple Inc.
- Device for linearising a power amplifier of a communication system by digital predistortion22 Aug 2023US 11,736,130 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Configurable non-linear filter for digital pre-distortion24 Jan 2023US 11,563,409 B2Analog Devices International Unlimited Company
- Digital predistortion of signals15 Nov 2022US 11,502,707 B2Apple Inc.
- Amplifier device with analog and digital predistortion30 Apr 2026US 2026/0121593 A1Prodrive Technologies Innovation Services B.V.
- Power amplifier with analog predistortion27 Mar 2025US 2025/0105797 A1Qorvo US, Inc.
- High efficiency power amplifier9 Nov 2023US 2023/0361732 A1Skyworks Solutions, Inc.
- Digital predistortion of signals2 Feb 2023US 2023/0034540 A1Apple Inc.
- Device for linearising a power amplifier of a communication system by digital predistortion19 Jan 2023US 2023/0020369 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Controller and associated methods for a linc linear power amplifier192US 6,054,896 ADatum Telegraphic Inc. · 2000
- Use of antiphase signals for predistortion training within an amplifier system158US 6,313,703 B1Datum Telegraphic Inc. · 2001
- Process for compensating nonlinearities in an amplifier circuit79US 5,164,678 AAsea Brown Boveri AG · 1992
- Signal extraction circuit and distortion-compensated amplifier incorporating the same39US 7,456,688 B2Fujitsu Limited · 2008
- Adaptive counter measure control thwarting IMD jamming impairments for RF plasma systems38US 10,304,669 B1MKS Instruments, Inc. · 2019