H03F 2203/45246
The dif amp being biased in the subthreshold region
Official title: the dif amp being biased in the subthreshold region
H03F2203/45246 (The dif amp being biased in the subthreshold region) appears on 23 US grants and 26 published applications in this corpus.
Search patents in H03F- Granted patents
- 23
- Published applications
- 26
- Assignees
- 11
- Inventors
- 23
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 7 | 3 |
| 2020 | 0 | 5 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
By publication year.
Recent patents
- Variable gain amplifier with subthreshold biasing25 Nov 2025US 12,483,217 B2Apple Inc.
- Amplifier circuit20 May 2025US 12,308,806 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Hybrid analog-to-digital converter with inverter-based residue amplifier18 Feb 2025US 12,231,137 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Amplifier circuit2 Apr 2024US 11,949,391 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Hybrid analog-to-digital converter with inverter-based residue amplifier26 Sep 2023US 11,770,125 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Amplifier circuit14 Aug 2025US 2025/0260375 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Amplifier circuit6 Jun 2024US 2024/0186967 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Variable gain amplifier with subthreshold biasing18 Jan 2024US 2024/0022223 A1Apple Inc.
- Variable gain amplifier with subthreshold biasing21 Dec 2023US 2023/0412135 A1Apple Inc.
- Hybrid analog-to-digital converter with inverter-based residue amplifier21 Dec 2023US 2023/0412179 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Variable gain amplifier device20US 7,065,334 B1Kabushiki Kaisha Toshiba · 2006
- LNA having a post-distortion mode and a high-gain mode13US 7,746,169 B2QUALCOMM Incorporated · 2010
- Low noise trans-impedance amplifiers based on complementary current field-effect transistor devices12US 10,476,457 B2Circuit Seed, LLC · 2019
- System and method for inductor isolation11US 9,813,033 B2Innophase, Inc. · 2017
- Hybrid analog-to-digital converter with inverter-based residue amplifier4US 11,329,659 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2022