Radio frequency amplifier
US-2025317111-A1 · Oct 9, 2025 · US
the cross coupling circuit being realised only by MOSFETs
the cross coupling circuit being realised only by MOSFETs · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/87 |
| Official title | the cross coupling circuit being realised only by MOSFETs |
| Display label | the cross coupling circuit being realised only by MOSFETs |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low noise amplifier circuit
US-12375044-B2 · Jul 29, 2025 · US
Operational transconductance amplifier circuit including active inductor
US-12323115-B2 · Jun 3, 2025 · US
Amplifier circuit and display apparatus having the same
US-12119795-B2 · Oct 15, 2024 · US
Miniature ultra-low-power LNA employing current reuse and bias sharing
US-12095424-B1 · Sep 17, 2024 · US
Two-Stage Circuit With Power Supply Rejection Filter
US-2024275348-A1 · Aug 15, 2024 · US
Amplifier Circuit and Display Apparatus Having the Same
US-2024258977-A1 · Aug 1, 2024 · US
Low noise amplifier circuit
US-2023361723-A1 · Nov 9, 2023 · US
Operational transconductance amplifier circuit including active inductor
US-2022209729-A1 · Jun 30, 2022 · US
Reducing supply to ground current
US-11342890-B2 · May 24, 2022 · US
Low noise amplifier circuit
US-2022029587-A1 · Jan 27, 2022 · US
Highly linear input and output rail-to-rail amplifier
US-11082012-B2 · Aug 3, 2021 · US
Low noise amplifier circuit
US-11057005-B2 · Jul 6, 2021 · US
Apparatus and method for integrating self-test oscillator with injection locked buffer
US-10942255-B2 · Mar 9, 2021 · US
Highly linear input and output rail-to-rail amplifier
US-2020358406-A1 · Nov 12, 2020 · US
Reducing supply to ground current
US-2020350871-A1 · Nov 5, 2020 · US
Reducing supply to ground current
US-10756679-B2 · Aug 25, 2020 · US
Receiver circuit
US-10734951-B2 · Aug 4, 2020 · US
Apparatus and method for integrating self-test oscillator with injection locked buffer
US-2020116823-A1 · Apr 16, 2020 · US
Semiconductor device and semiconductor integrated circuit using the same
US-10594265-B2 · Mar 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/87?
- CPC H03F2200/87 is the Cooperative Patent Classification code for “the cross coupling circuit being realised only by MOSFETs.”
- How many patents are filed under CPC H03F2200/87 (the cross coupling circuit being realised only by MOSFETs)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/87 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).