Adaptive temperature peaking control for wideband amplifiers
US-2024235501-A9 · Jul 11, 2024 · US
in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence)
in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F1/302 |
| Official title | {in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence)} |
| Display label | in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence) |
| Total patents | 567 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 26 |
| 2017 | 47 |
| 2018 | 59 |
| 2019 | 60 |
| 2020 | 89 |
| 2021 | 82 |
| 2022 | 62 |
| 2023 | 31 |
| 2024 | 45 |
| 2025 | 39 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power amplification module
US-9825594-B2 · Nov 21, 2017 · US
Apparatus and methods for radio frequency amplifiers
US-9806680-B2 · Oct 31, 2017 · US
Methods, modules and devices for detecting a saturation condition of a power amplifier
US-2017302231-A1 · Oct 19, 2017 · US
Power amplification circuit
US-9742358-B2 · Aug 22, 2017 · US
Compression control through amplitude adjustment of a radio frequency input signal
US-9722547-B2 · Aug 1, 2017 · US
Amplifier with base current reuse
US-2017207752-A1 · Jul 20, 2017 · US
Compression control through power amplifier load adjustment
US-9698736-B2 · Jul 4, 2017 · US
Power amplification system with adaptive bias control
US-2017187334-A1 · Jun 29, 2017 · US
Power controllable wireless communication device
US-9680419-B2 · Jun 13, 2017 · US
Apparatus and methods for radio frequency amplifiers
US-2017070198-A1 · Mar 9, 2017 · US
Apparatus and methods for radio frequency amplifiers
US-9584078-B2 · Feb 28, 2017 · US
Internally matched active single-to-differential RF converter
US-9584073-B1 · Feb 28, 2017 · US
Apparatus and methods for envelope trackers
US-9584070-B2 · Feb 28, 2017 · US
Bias circuit for low quiescent current amplifier
US-2017033748-A1 · Feb 2, 2017 · US
Hybrid power amplifier having electrical and thermal conduction path
US-9553549-B2 · Jan 24, 2017 · US
Power amplification module
US-9548711-B1 · Jan 17, 2017 · US
Bias circuit for a transistor amplifier
US-9548701-B2 · Jan 17, 2017 · US
Multistage amplifier
US-2016352288-A1 · Dec 1, 2016 · US
Power control method of amplifying module
US-2016344357-A1 · Nov 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F1/302?
- CPC H03F1/302 is the Cooperative Patent Classification code for “in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence).”
- How many patents are filed under CPC H03F1/302 (in bipolar transistor amplifiers (H03F1/303, H03F1/305, H03F1/307 take precedence))?
- Our database includes 567 publications tagged with this CPC code.
- Is patent activity under CPC H03F1/302 growing?
- Publication counts under this code: 45 in 2024 vs 39 in 2025 (latest complete years).