Digital pre-distortion coefficient estimating device and operating method thereof
US-2026045919-A1 · Feb 12, 2026 · US
Adaptive predistortion using phase feedback from the output of the main amplifier
Adaptive predistortion using phase feedback from the output of the main amplifier · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2201/3231 |
| Official title | Adaptive predistortion using phase feedback from the output of the main amplifier |
| Display label | Adaptive predistortion using phase feedback from the output of the main amplifier |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 6 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and methods for biasing of power amplifiers
US-12500550-B2 · Dec 16, 2025 · US
ACLR adjustable electronic device and operation method therefor
US-12308870-B2 · May 20, 2025 · US
Rf circuit for predistortion and method of operating the same
US-2025125825-A1 · Apr 17, 2025 · US
Power amplifier with analog predistortion
US-2025105797-A1 · Mar 27, 2025 · US
Aclr adjustable electronic device and operation method therefor
US-2024080052-A1 · Mar 7, 2024 · US
Apparatus and methods for biasing of power amplifiers
US-2024048101-A1 · Feb 8, 2024 · US
Digital predistortion of signals
US-11817892-B2 · Nov 14, 2023 · US
High efficiency power amplifier
US-2023361732-A1 · Nov 9, 2023 · US
Apparatus and methods for biasing of power amplifiers
US-11750151-B2 · Sep 5, 2023 · US
Device for linearising a power amplifier of a communication system by digital predistortion
US-11736130-B2 · Aug 22, 2023 · US
Digital predistortion of signals
US-2023034540-A1 · Feb 2, 2023 · US
Configurable non-linear filter for digital pre-distortion
US-11563409-B2 · Jan 24, 2023 · US
Device for linearising a power amplifier of a communication system by digital predistortion
US-2023020369-A1 · Jan 19, 2023 · US
Digital predistortion of signals
US-11502707-B2 · Nov 15, 2022 · US
Machine learning based digital pre-distortion for power amplifiers
US-11431300-B2 · Aug 30, 2022 · US
Digital communications circuits and systems
US-11356066-B1 · Jun 7, 2022 · US
Configurable non-linear filter for digital pre-distortion
US-2022131506-A1 · Apr 28, 2022 · US
Power amplifier linearization circuit and related apparatus
US-11233485-B2 · Jan 25, 2022 · US
Apparatus and methods for biasing of power amplifiers
US-2022006426-A1 · Jan 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2201/3231?
- CPC H03F2201/3231 is the Cooperative Patent Classification code for “Adaptive predistortion using phase feedback from the output of the main amplifier.”
- How many patents are filed under CPC H03F2201/3231 (Adaptive predistortion using phase feedback from the output of the main amplifier)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC H03F2201/3231 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).