Distributed programmable gain amplifier
US-2025141418-A1 · May 1, 2025 · US
of aperiodic amplifiers
of aperiodic amplifiers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F1/48 |
| Official title | of aperiodic amplifiers |
| Display label | of aperiodic amplifiers |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power amplifier circuit
US-2025096749-A1 · Mar 20, 2025 · US
Amplification circuit, multi-stage amplifier and amplifier
US-2025023522-A1 · Jan 16, 2025 · US
Multiband repeater architecture
US-12191972-B2 · Jan 7, 2025 · US
DML driver
US-12095225-B2 · Sep 17, 2024 · US
Transimpedance amplifier
US-11569785-B2 · Jan 31, 2023 · US
DML Driver
US-2022059987-A1 · Feb 24, 2022 · US
Multiband repeater architecture
US-2022045741-A1 · Feb 10, 2022 · US
Transimpedance Amplifier
US-2021408973-A1 · Dec 30, 2021 · US
Power amplifying apparatus with wideband linearity
US-10693424-B2 · Jun 23, 2020 · US
High speed receivers circuits and methods
US-10536178-B2 · Jan 14, 2020 · US
Power amplifying apparatus with wideband linearity
US-2019199293-A1 · Jun 27, 2019 · US
Transimpedance amplifier with bandwidth extender
US-2018351519-A1 · Dec 6, 2018 · US
Wideband adaptive bias circuits for power amplifiers
US-10079574-B2 · Sep 18, 2018 · US
Transimpedance amplifier with bandwidth extender
US-10044328-B2 · Aug 7, 2018 · US
Amplifier
US-9825602-B2 · Nov 21, 2017 · US
Multi-port amplifier utilizing an adjustable delay function
US-9735742-B2 · Aug 15, 2017 · US
Wideband adaptive bias circuits for power amplifiers
US-2017230006-A1 · Aug 10, 2017 · US
High speed receivers circuits and methods
US-2017207805-A1 · Jul 20, 2017 · US
Amplifier
US-2017117860-A1 · Apr 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F1/48?
- CPC H03F1/48 is the Cooperative Patent Classification code for “of aperiodic amplifiers.”
- How many patents are filed under CPC H03F1/48 (of aperiodic amplifiers)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC H03F1/48 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).