H03F 3/45654
Controlling the active amplifying circuit of the differential amplifier
Official title: {Controlling the active amplifying circuit of the differential amplifier}
H03F3/45654 (Controlling the active amplifying circuit of the differential amplifier) appears on 104 US grants and 69 published applications in this corpus.
Search patents in H03F- Granted patents
- 104
- Published applications
- 69
- Assignees
- 77
- Inventors
- 223
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 4 |
| 2003 | 6 | 3 |
| 2004 | 4 | 1 |
| 2005 | 2 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 5 | 3 |
| 2009 | 3 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 5 |
| 2013 | 6 | 4 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 6 | 4 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 3 |
| 2024 | 0 | 5 |
| 2025 | 3 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Amplification interface, and corresponding measurement system and method for calibrating an amplification interface16 May 2023US 11,652,458 B2STMicroelectronics S,r.l.
- Differential charge pump1 Oct 2026US 2026/0303103 A1International Business Machines Corporation
- System and methods for efficient common mode suppression for transmission systems16 Jul 2026US 2026/0205068 A1Avago Technologies International Sales Pte. Limited
- Amplifying circuit and rf circuit including the same8 Jan 2026US 2026/0012148 A1Samsung Electronics Co., Ltd.
- Fully differential quadrature driver30 Oct 2025US 2025/0337377 A1STMicroelectronics International N. V.
- Power amplifier using multi-path common-mode feedback loop10 Jul 2025US 2025/0226802 A1Qorvo US, Inc.
Most cited
By later US patents
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- CMOS complementary self-biased differential amplifier with rail-to-rail common-mode input-voltage range66US 4,958,133 AIntel Corporation · 1990
- Folded cascode amplifier with rail-to-rail common-mode range59US 4,797,631 ATexas Instruments Incorporated · 1989
- Single pole current mode common-mode feedback circuit55US 5,933,056 AExar Corporation · 1999
- Common mode early voltage compensation subcircuit for current driver50US 5,592,510 AApple Computer, Inc. · 1997