H03F 2203/45051
Two or more differential amplifiers cascade coupled
H03F2203/45051 (Two or more differential amplifiers cascade coupled) appears on 72 US grants and 71 published applications in this corpus.
Search patents in H03F- Granted patents
- 72
- Published applications
- 71
- Assignees
- 65
- Inventors
- 155
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 3 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 5 | 9 |
| 2016 | 6 | 6 |
| 2017 | 5 | 5 |
| 2018 | 5 | 7 |
| 2019 | 10 | 5 |
| 2020 | 4 | 8 |
| 2021 | 3 | 0 |
| 2022 | 3 | 7 |
| 2023 | 4 | 6 |
| 2024 | 3 | 2 |
| 2025 | 6 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Radio-frequency differential amplifying circuit and radio-frequency module30 Sep 2025US 12,431,849 B2RadRock (Chongqing) Tech Co., Ltd.
- Differential signal amplification circuit, digital isolator, and digital receiver2 Sep 2025US 12,407,300 B2Suzhou Novosense Microelectronics Co., Ltd.
- Semiconductor device and semiconductor module20 May 2025US 12,308,355 B2Murata Manufacturing Co., Ltd.
- Semiconductor device and communication device including the same20 May 2025US 12,308,808 B2Samsung Electronics Co., Ltd.
- Two-domain two-stage sensing front-end circuits and systems14 Jan 2025US 12,196,801 B2Samsung Display Co., Ltd.
- Radio-frequency differential amplifying circuit and radio-frequency module18 Dec 2025US 2025/0385653 A1RadRock (Chongqing) Tech Co., Ltd.
- Variable gain differentiator for analog signal differentiation20 Mar 2025US 2025/0096760 A1King Fahd University of Petroleum and Minerals
- Amplifier, amplification circuit, and current detection device19 Dec 2024US 2024/0421778 A1Rohm Co., Ltd.
- Precision operational amplifier using floating input stage15 Feb 2024US 2024/0056044 A1Semiconductor Components Industries, LLC
- Analog implementation of variable-gain differentiators based on voltage-controlled amplifiers27 Jul 2023US 2023/0238931 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Wideband active balun LNA topology with narrow-band filtering and noise cancelling38US 9,054,648 B1Montage Technology (Shanghai) Co., Ltd. · 2015
- Differential-to-single ended translator that generates an output signal with very small signal distortion20US 5,491,455 ANational Semiconductor Corporation · 1996
- Method for offset voltage trim for automatic gain controls19US 5,550,512 ASilicon Systems, Inc. · 1996
- Cascaded amplifier having temperature compensation18US 5,471,173 AU. S. Philips Corporation · 1995
- Method of offset voltage trim for automatic gain controls15US 5,432,475 ASilicon Systems, Inc. · 1995