H03F 2203/45116
Feedback coupled to the input of the differential amplifier
H03F2203/45116 (Feedback coupled to the input of the differential amplifier) appears on 460 US grants and 472 published applications in this corpus.
Search patents in H03F- Granted patents
- 460
- Published applications
- 472
- Assignees
- 216
- Inventors
- 841
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 6 |
| 2008 | 5 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 3 | 7 |
| 2015 | 12 | 35 |
| 2016 | 39 | 59 |
| 2017 | 58 | 38 |
| 2018 | 36 | 36 |
| 2019 | 54 | 86 |
| 2020 | 84 | 70 |
| 2021 | 51 | 37 |
| 2022 | 39 | 29 |
| 2023 | 28 | 16 |
| 2024 | 12 | 13 |
| 2025 | 15 | 11 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Apparatus and methods for removing a large-signal voltage offset from a biomedical signal16 Jul 2026US 2026/0198835 A1BioSig Technologies, Inc.
- Self-bias signal generating circuit using differential signal and receiver including the same16 Jul 2026US 2026/0205077 A1Samsung Electronics Co., Ltd.
- Feedback topologies for amplifier gain reduction18 Jun 2026US 2026/0171973 A1pSemi Corporation
Most cited
By later US patents
- Systems and methods to visually align signals using delay22US 10,356,001 B1BioSig Technologies, Inc. · 2019
- Method and system for generating a modulated signal in a transmitter19US 10,491,436 B1Xilinx, Inc. · 2019
- Amplifier with gain stages coupled for differential error correction19US 5,376,899 APass Laboratories, Inc. · 1994
- Systems and methods for signal acquisition and visualization15US 10,485,485 B1BioSig Technologies, Inc. · 2019
- Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier13US 9,166,541 B2Renesas Electronics Corporation · 2015