Push-pull rf power amplifier circuit and push-pull rf power amplifier
US-2024429886-A1 · Dec 26, 2024 · US
with field-effect transistors only
with field-effect transistors only · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/265 |
| Official title | {with field-effect transistors only} |
| Display label | with field-effect transistors only |
| Total patents | 317 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 31 |
| 2016 | 22 |
| 2017 | 37 |
| 2018 | 36 |
| 2019 | 32 |
| 2020 | 18 |
| 2021 | 30 |
| 2022 | 20 |
| 2023 | 32 |
| 2024 | 23 |
| 2025 | 27 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Push-pull buffer circuit
US-2024322825-A1 · Sep 26, 2024 · US
Calibration of push-pull amplifier to a low second order distortion
US-2017324383-A1 · Nov 9, 2017 · US
Circuit for amplifying radio signal using high frequency
US-2017302234-A1 · Oct 19, 2017 · US
Low-noise amplifier having high linearity for multi-band
US-9692369-B2 · Jun 27, 2017 · US
Low noise amplifier circuit
US-2017070197-A1 · Mar 9, 2017 · US
Control of cross-over point
US-9548700-B2 · Jan 17, 2017 · US
Low-noise amplifier having high linearity for multi-band
US-2016373065-A1 · Dec 22, 2016 · US
Active balun for wideband applications
US-9503053-B1 · Nov 22, 2016 · US
Active balun for wideband applications
US-2016336921-A1 · Nov 17, 2016 · US
Performance of off-chip connection for power amplifier
US-9496832-B2 · Nov 15, 2016 · US
Memory effect reduction using low impedance biasing
US-2016320781-A1 · Nov 3, 2016 · US
Multistage differential power amplifier having interstage power limiter
US-2016261235-A1 · Sep 8, 2016 · US
Differential power amplifier for mobile cellular envelope tracking
US-2016261242-A1 · Sep 8, 2016 · US
Output matching network for differential power amplifier
US-2016261238-A1 · Sep 8, 2016 · US
High Linearity Push-Pull Common-Gate Amplifier
US-2016248390-A1 · Aug 25, 2016 · US
DC-DC converter incorporating trim cell
US-9425749-B2 · Aug 23, 2016 · US
Memory effect reduction using low impedance biasing
US-9417641-B2 · Aug 16, 2016 · US
Efficient linear integrated power amplifier incorporating low and high power operating modes
US-9413303-B2 · Aug 9, 2016 · US
Gain control in complementary common gate and common source amplifiers
US-9407226-B2 · Aug 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/265?
- CPC H03F3/265 is the Cooperative Patent Classification code for “with field-effect transistors only.”
- How many patents are filed under CPC H03F3/265 (with field-effect transistors only)?
- Our database includes 317 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/265 growing?
- Publication counts under this code: 23 in 2024 vs 27 in 2025 (latest complete years).