H03F 2203/45172
A transformer being added at the input of the dif amp
H03F2203/45172 (A transformer being added at the input of the dif amp) appears on 29 US grants and 32 published applications in this corpus.
Search patents in H03F- Granted patents
- 29
- Published applications
- 32
- Assignees
- 23
- Inventors
- 71
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 6 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 4 | 5 |
| 2023 | 1 | 0 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bias circuit and power amplifier circuit22 Apr 2025US 12,283,925 B2Telefonaktiebolaget LM Ericsson (publ)
- Bias circuit and power amplifier circuit21 May 2024US 11,990,875 B2Telefonaktiebolaget LM Ericsson (publ)
- Transmitter having harmonic impedance adjustment circuit26 Mar 2024US 11,942,906 B2Realtek Semiconductor Corp.
- Dual mode notch filter20 Feb 2024US 11,909,368 B2QUALCOMM Incorporated
- Millimeter-wave power amplifier28 Nov 2023US 11,831,279 B2Infineon Technologies AG
- Input network for doherty power amplifier26 Mar 2026US 2026/0088769 A1QUALCOMM Incorporated
- Amplifier with harmonic cancellation feedback circuit to improve linearity18 Sep 2025US 2025/0293646 A1QUALCOMM Incorporated
- Power amplifier system18 Sep 2025US 2025/0293650 A1Etra Semiconductor (Suzhou) Co., Ltd.
- Bias circuit and power amplifier circuit8 Aug 2024US 2024/0267011 A1Telefonaktiebolaget LM Ericsson (publ)
- Millimeter-wave power amplifier13 Oct 2022US 2022/0329206 A1Infineon Technologies AG
Most cited
By later US patents
- Compensation device for transistors11US 10,763,228 B2Infineon Technologies AG · 2020
- Power amplifier input structure having a differential output9US 7,446,613 B2Black Sand Technologies, Inc. · 2008
- Matching network and power amplifier circuit4US 10,797,657 B2Murata Manufacturing Co., Ltd. · 2020
- Power amplifier input structure having a differential output4US 7,113,045 B2Silicon Laboratories Inc. · 2006
- Differential amplifier with complementary unit structure3US 10,374,554 B2QUALCOMM Incorporated · 2019