H03F 2203/21103
An impedance adaptation circuit being added at the input of a power
Official title: An impedance adaptation circuit being added at the input of a power amplifier stage
H03F2203/21103 (An impedance adaptation circuit being added at the input of a power) appears on 101 US grants and 103 published applications in this corpus.
Search patents in H03F- Granted patents
- 101
- Published applications
- 103
- Assignees
- 48
- Inventors
- 209
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 3 | 2 |
| 2010 | 3 | 3 |
| 2011 | 6 | 3 |
| 2012 | 4 | 5 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 6 |
| 2016 | 8 | 12 |
| 2017 | 9 | 8 |
| 2018 | 11 | 13 |
| 2019 | 13 | 10 |
| 2020 | 12 | 19 |
| 2021 | 15 | 6 |
| 2022 | 10 | 1 |
| 2023 | 0 | 4 |
| 2024 | 2 | 2 |
| 2025 | 3 | 2 |
By publication year.
Recent patents
- Output array for RF performance improvement26 Aug 2025US 12,401,381 B2Huawei Technologies Co., Ltd.
- Radio-frequency module and communication apparatus24 Jun 2025US 12,341,548 B2Murata Manufacturing Co., Ltd.
- Power amplifier system1 Apr 2025US 12,267,051 B2Qorvo US, Inc.
- Broadband, high-efficiency, non-modulating power amplifier architecture5 Nov 2024US 12,136,901 B2MACOM Technology Solutions Holdings, Inc.
- Transistor with ohmic contacts8 Oct 2024US 12,113,114 B2Wolfspeed, Inc.
- Power amplifier system12 Jun 2025US 2025/0192736 A1Qorvo US, Inc.
- Pseudo-doherty load modulated balanced amplifier15 May 2025US 2025/0158573 A1Ampleon Netherlands B.V.
- Inverted doherty-type amplifier device31 Oct 2024US 2024/0364271 A1Infineon Technologies AG
- Power amplifying device18 Jul 2024US 2024/0243703 A1Murata Manufacturing Co., Ltd.
- Power amplifier system3 Aug 2023US 2023/0246609 A1Qorvo US, Inc.
Most cited
By later US patents
- Solid-state RF power amplifier for radio transmitters74US 8,031,003 B22011
- Power amplifier with transistor input mismatching53US 8,237,501 B2MKS Instruments, Inc. · 2012
- Power amplifiers with discrete power control44US 7,952,433 B2Georgia Tech Research Corporation · 2011
- RF power amplifying device and wireless communication terminal device26US 8,005,445 B2Renesas Electronics Corporation · 2011
- Multi-mode high efficiency linear power amplifier21US 7,876,160 B2Skyworks Solutions, Inc. · 2011