Source switched split LNA
US-12483194-B2 · Nov 25, 2025 · US
A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage
A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/243 |
| Official title | A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage |
| Display label | A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amplifier With Second Harmonic Termination
US-2025158574-A1 · May 15, 2025 · US
Cascode amplifier bias circuits
US-12255588-B2 · Mar 18, 2025 · US
Voltage dividing capacitor circuits and supply modulators including the same
US-12143008-B2 · Nov 12, 2024 · US
Source Switched Split LNA
US-2024364269-A1 · Oct 31, 2024 · US
Cascode Amplifier Bias Circuits
US-2024348211-A1 · Oct 17, 2024 · US
Amplifier circuit
US-12107548-B2 · Oct 1, 2024 · US
Compact architecture for multipath low noise amplifier
US-12101066-B2 · Sep 24, 2024 · US
Source switched split LNA
US-11984855-B2 · May 14, 2024 · US
Amplifier device with phase slope adjustment circuitry
US-2024120887-A1 · Apr 11, 2024 · US
Cascode amplifier bias circuits
US-11955932-B2 · Apr 9, 2024 · US
Cascode Amplifier Bias Circuits
US-2023387864-A1 · Nov 30, 2023 · US
Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (IC) packages and fabrication methods
US-11770115-B2 · Sep 26, 2023 · US
Compact Architecture for Multipath Low Noise Amplifier
US-2023208365-A1 · Jun 29, 2023 · US
Cascode amplifier bias circuits
US-11664769-B2 · May 30, 2023 · US
Voltage dividing capacitor circuits and supply modulators including the same
US-2023050531-A1 · Feb 16, 2023 · US
Compact architecture for multipath low noise amplifier
US-11539334-B2 · Dec 27, 2022 · US
Cascode amplifier bias circuits
US-2022368287-A1 · Nov 17, 2022 · US
Radio frequency amplifier circuit
US-11405005-B2 · Aug 2, 2022 · US
Cascode amplifier bias circuits
US-11374540-B2 · Jun 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/243?
- CPC H03F2200/243 is the Cooperative Patent Classification code for “A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage.”
- How many patents are filed under CPC H03F2200/243 (A series resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/243 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).