Driver circuit
US-10511274-B2 · Dec 17, 2019 · US
Distributed amplifiers
Distributed 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 | H03F3/605 |
| Official title | {Distributed amplifiers} |
| Display label | Distributed amplifiers |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 18 |
| 2019 | 18 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amplifier circuit for compensating an output signal from a circuit
US-10469034-B2 · Nov 5, 2019 · US
Amplifier circuit and method
US-10389309-B2 · Aug 20, 2019 · US
Variable gain distributed amplifier systems and methods
US-10367463-B2 · Jul 30, 2019 · US
Driving circuit for optical modulator
US-10345627-B2 · Jul 9, 2019 · US
Amplifier Circuit and Method for Compensating an Output Signal Provided at an Output of the Amplifier Circuit
US-2019165746-A1 · May 30, 2019 · US
Integrated cmos transmit/receive switch in a radio frequency device
US-2019158043-A1 · May 23, 2019 · US
Current mode logic driver with level shifter
US-10291228-B1 · May 14, 2019 · US
Amplifier devices with input line termination circuits
US-10270397-B2 · Apr 23, 2019 · US
Variable gain amplifier
US-10263583-B2 · Apr 16, 2019 · US
Driver with distributed architecture
US-10263573-B2 · Apr 16, 2019 · US
Amplifier architecture reconfiguration
US-10211784-B2 · Feb 19, 2019 · US
Waveguide to microstrip line N-port power splitter/combiner
US-10177726-B1 · Jan 8, 2019 · US
Transmit-receive isolation in a transformer-based radio frequency power amplifier
US-10148233-B2 · Dec 4, 2018 · US
Dynamic tuning of a transformer-based radio frequency power amplifier
US-10135405-B2 · Nov 20, 2018 · US
Modular and scalable power amplifier system
US-10116265-B2 · Oct 30, 2018 · US
Distributed Power Amplifiers
US-2018302040-A1 · Oct 18, 2018 · US
An Amplifier Circuit For Compensating An Output Signal From A Circuit
US-2018302041-A1 · Oct 18, 2018 · US
Integrated CMOS transmit/receive switch in a radio frequency device
US-10103695-B2 · Oct 16, 2018 · US
Driver circuit
US-2018287575-A1 · Oct 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/605?
- CPC H03F3/605 is the Cooperative Patent Classification code for “Distributed amplifiers.”
- How many patents are filed under CPC H03F3/605 (Distributed amplifiers)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/605 growing?
- Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).