H03F 3/45515
Measuring at the active amplifying circuit of the differential amplifier
Official title: {Measuring at the active amplifying circuit of the differential amplifier}
H03F3/45515 (Measuring at the active amplifying circuit of the differential amplifier) appears on 12 US grants and 5 published applications in this corpus.
Search patents in H03F- Granted patents
- 12
- Published applications
- 5
- Assignees
- 13
- Inventors
- 19
- Latest grant
- 28 Nov 2023
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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Millimeter-wave power amplifier28 Nov 2023US 11,831,279 B2Infineon Technologies AG
- Continuous-time linear equalizer of compact layout and high immunity to common-mode noise5 Jul 2022US 11,381,427 B1Realtek Semiconductor Corp.
- Wideband passive buffer with DC level shift for wired data communication8 Feb 2022US 11,245,555 B1NXP B. V.
- Fully differential operational amplifier common mode current sensing feedback19 Jan 2021US 10,897,234 B2STMicroelectronics S,r.l.
- Amplifier18 Jun 2019US 10,326,416 B2Sumitomo Electric Industries, Ltd.
- Millimeter-wave power amplifier13 Oct 2022US 2022/0329206 A1Infineon Technologies AG
- Fully differential operational amplifier common mode current sensing feedback24 Sep 2020US 2020/0304085 A1STMicroelectronics S,r.l.
- Amplifier1 Nov 2018US 2018/0316323 A1Sumitomo Electric Industries, Ltd.
- Wide input common mode for input bias current cancellation20 Mar 2008US 2008/0068085 A1National Semiconductor Corporation
- Bipolar differential input stage with input bias current cancellation circuit1 Sep 2005US 2005/0189992 A1Analog Devices, Inc.
Most cited
By later US patents
- Rail-to-rail input/output operational amplifier and method36US 6,150,883 ABurr-Brown Corporation · 2000
- Rail-to-rail input/output operational amplifier and method24US 6,356,153 B1Texas Instruments Incorporated · 2002
- Filter arrangement having a transconductance circuit11US 4,780,690 AU. S. Philips Corporation · 1988
- Differential output amplifier input stage with rail-to-rail common mode input range11US 5,294,893 ASGS-Thomson Microelectronics S.A. · 1994
- Bipolar differential input stage with input bias current cancellation circuit10US 6,965,267 B2Analog Devices, Inc. · 2005