H03F 3/45708
Controlling the common source circuit of the differential amplifier
Official title: {Controlling the common source circuit of the differential amplifier}
H03F3/45708 (Controlling the common source circuit of the differential amplifier) appears on 74 US grants and 38 published applications in this corpus.
Search patents in H03F- Granted patents
- 74
- Published applications
- 38
- Assignees
- 50
- Inventors
- 91
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 5 | 3 |
| 2004 | 3 | 1 |
| 2005 | 4 | 5 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Differential signal amplification circuit, digital isolator, and digital receiver2 Sep 2025US 12,407,300 B2Suzhou Novosense Microelectronics Co., Ltd.
- Transconductor circuitry with adaptive biasing19 Nov 2024US 12,149,219 B2Ams AG
- Input stage for an LVDS receiver circuit14 Jun 2022US 11,362,628 B2Robert Bosch GmbH
- Method of and apparatus for reducing the influence of a common mode signal on a differential signal and to systems including such an apparatus12 Jan 2021US 10,892,722 B2Analog Devices International Unlimited Company
- CMOS input stage circuits and related methods15 Dec 2020US 10,868,505 B1Silicon Laboratories Inc.
- Self-biased low leakage unity gain analog buffer11 Jun 2026US 2026/0163532 A1NXP USA, Inc.
- Differential signal amplification circuit, digital isolator, and digital receiver15 Jun 2023US 2023/0188097 A1Suzhou Novosense Microelectronics Co., Ltd.
- Transconductor circuitry with adaptive biasing17 Feb 2022US 2022/0052660 A1Ams AG
- Input stage for an lvds receiver circuit23 Dec 2021US 2021/0399723 A1Robert Bosch GmbH
- CMOS Input Stage Circuits And Related Methods10 Dec 2020US 2020/0389140 A1Silicon Laboratories Inc.
Most cited
By later US patents
- Operational amplifier apparatus211US 5,777,515 AMatsushita Electric Industrial Co., Ltd. · 1998
- Differential amplifier with rail-to-rail input capability and controlled transconductance84US 4,555,673 ASignetics Corporation · 1985
- Combination driver-summing circuit for rail-to-rail differential amplifier71US 5,311,145 ANorth American Philips Corporation · 1994
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- Line receiver circuit with large common mode range for differential input signals61US 6,236,242 B1Telefonaktiebolaget LM Ericsson (publ) · 2001