H03F 3/45506
Controlling the active amplifying circuit of the differential amplifier
Official title: {Controlling the active amplifying circuit of the differential amplifier}
H03F3/45506 (Controlling the active amplifying circuit of the differential amplifier) appears on 15 US grants and 6 published applications in this corpus.
Search patents in H03F- Granted patents
- 15
- Published applications
- 6
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 19 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fully differential operational amplifier common mode current sensing feedback19 Jan 2021US 10,897,234 B2STMicroelectronics S,r.l.
- Method for biasing outputs of a folded cascode stage in a comparator and corresponding comparator21 Apr 2020US 10,630,274 B2STMicroelectronics (Rousset) SAS
- Voltage-current conversion circuit15 Oct 2019US 10,444,776 B2Kabushiki Kaisha Toshiba
- Low-power voltage mode high speed driver11 Nov 2014US 8,884,655 B2Texas Instruments Incorporated
- Common base circuit with output compensation, current-to-voltage circuit configured with common base amplifier, and optical receiver implemented with the same20 May 2014US 8,731,412 B2Sumitomo Electric Industries, Ltd.
- Fully differential operational amplifier common mode current sensing feedback24 Sep 2020US 2020/0304085 A1STMicroelectronics S,r.l.
- Method for Biasing Outputs of a Folded Cascode Stage in a Comparator and Corresponding Comparator9 Jan 2020US 2020/0014376 A1STMicroelectronics (Rousset) SAS
- Voltage-current conversion circuit1 Aug 2019US 2019/0235544 A1Kabushiki Kaisha Toshiba
- Low-power voltage mode high speed driver16 Oct 2014US 2014/0306737 A1Texas Instruments Incorporated
- Common base circuit with output compensation, current-to-voltage circuit configured with common base amplifier, and optical receiver implemented with the same17 May 2012US 2012/0121273 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Floating, balanced output circuit19US 6,316,970 B1THAT Corporation · 2001
- Accurate, wide-band, low-noise variable-gain amplifier structures and gain control methods16US 6,753,732 B1Analog Devices, Inc. · 2004
- Method to control the output common mode in a differential OPAMP with rail-to-rail input stage8US 7,532,072 B1Linear Technology Corporation · 2009
- Differential amplifier input stage capable of operating in excess of power supply voltage7US 4,378,529 ANational Semiconductor Corporation · 1983
- Saturation limit circuit for junction isolated PNP transistor and method6US 6,384,687 B1National Semiconductor Corporation · 2002