Push-pull rf power amplifier circuit and push-pull rf power amplifier
US-2024429886-A1 · Dec 26, 2024 · US
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in differential amplifiers with bipolar transistors as the active amplifying circuit (H03F3/4578 takes precedence)
in differential amplifiers with bipolar transistors as the active amplifying circuit (H03F3/4578 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/45484 |
| Official title | {in differential amplifiers with bipolar transistors as the active amplifying circuit (H03F3/4578 takes precedence)} |
| Display label | in differential amplifiers with bipolar transistors as the active amplifying circuit (H03F3/4578 takes precedence) |
| Total patents | 22 |
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 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Push-pull output driver and operational amplifier using same
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Variable gain amplifier with temperature compensated gain
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Detector circuit and system for galvanically isolated transmission of digital signals
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Push-pull output driver and operational amplifier using same
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Push-pull output driver and operational amplifier using same
US-11070181-B2 · Jul 20, 2021 · US
Detector circuit and system for galvanically isolated transmission of digital signals
US-2021119834-A1 · Apr 22, 2021 · US
Power amplifier system
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Broadband power amplifier and matching network for multi-band millimeter-wave 5G communication
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Power amplifier system
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Push-pull output driver and operational amplifier using same
US-2020162043-A1 · May 21, 2020 · US
Integrated circuit device
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Communication cable module and transmission loss compensation circuit
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Semiconductor device, display module, and electronic device
US-10277181-B2 · Apr 30, 2019 · US
Integrated circuit device
US-2018342987-A1 · Nov 29, 2018 · US
Transmitter circuit harvesting power from power supply of a receiver circuit
US-10069637-B2 · Sep 4, 2018 · US
Communication cable module and transmission loss compensation circuit
US-2018167242-A1 · Jun 14, 2018 · US
Transmitter circuit harvesting power from power supply of a receiver circuit
US-2018069712-A1 · Mar 8, 2018 · US
Semiconductor device, display module, and electronic device
US-2018069515-A1 · Mar 8, 2018 · US