Push-pull buffer circuit
US-2024322825-A1 · Sep 26, 2024 · US
with field-effect devices
with field-effect devices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/505 |
| Official title | {with field-effect devices} |
| Display label | with field-effect devices |
| Total patents | 273 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 21 |
| 2017 | 23 |
| 2018 | 25 |
| 2019 | 26 |
| 2020 | 30 |
| 2021 | 22 |
| 2022 | 17 |
| 2023 | 30 |
| 2024 | 28 |
| 2025 | 27 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switched capacitor gain stage
US-9847760-B1 · Dec 19, 2017 · US
Switched capacitor gain stage
US-2017359035-A1 · Dec 14, 2017 · US
Amplifier circuit and voltage regulator
US-9800156-B2 · Oct 24, 2017 · US
Apparatus for performing capacitor amplification in an electronic device
US-9800219-B2 · Oct 24, 2017 · US
Fast transient low drop-out voltage regulator for a voltage-mode driver
US-9746864-B1 · Aug 29, 2017 · US
System and Method for Signal Read-Out Using Source Follower Feedback
US-2017245034-A1 · Aug 24, 2017 · US
Telescopic amplifier with improved common mode settling
US-2017230054-A1 · Aug 10, 2017 · US
Low noise amplifier for MEMS capacitive transducers
US-9729114-B2 · Aug 8, 2017 · US
Self-biasing output booster amplifier and use thereof
US-2017215006-A1 · Jul 27, 2017 · US
Memory effect reduction using low impedance biasing
US-9705454-B2 · Jul 11, 2017 · US
Amplifier circuit and voltage regulator
US-2017170730-A1 · Jun 15, 2017 · US
Concurrent dual-band signal amplifier
US-9673765-B2 · Jun 6, 2017 · US
Slew-rate enhanced energy efficient source follower circuit
US-9667234-B1 · May 30, 2017 · US
Source or emitter follower buffer circuit and method
US-9654057-B2 · May 16, 2017 · US
High linearity structure for amplifier
US-9641128-B2 · May 2, 2017 · US
Telescopic amplifier with improved common mode settling
US-9634685-B2 · Apr 25, 2017 · US
Charge-pump power supply with voltage-headroom-dependent supply voltage
US-9634621-B1 · Apr 25, 2017 · US
Bias circuit having reduced power consumption
US-9634613-B1 · Apr 25, 2017 · US
Input stage of chip and method for controlling source driver of chip
US-2017093395-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/505?
- CPC H03F3/505 is the Cooperative Patent Classification code for “with field-effect devices.”
- How many patents are filed under CPC H03F3/505 (with field-effect devices)?
- Our database includes 273 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/505 growing?
- Publication counts under this code: 28 in 2024 vs 27 in 2025 (latest complete years).