H03F 2203/45188
The differential amplifier contains one or more current sources in the load
Official title: the differential amplifier contains one or more current sources in the load
H03F2203/45188 (The differential amplifier contains one or more current sources in the load) appears on 57 US grants and 15 published applications in this corpus.
Search patents in H03F- Granted patents
- 57
- Published applications
- 15
- Assignees
- 41
- Inventors
- 78
- Latest grant
- 23 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 5 |
| 2017 | 3 | 2 |
| 2018 | 3 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Output reference voltage23 Aug 2022US 11,422,577 B1Micron Technology, Inc.
- Magnetic operational amplifier29 Dec 2020US 10,879,860 B2Centre National de la Recherche Scientifique (CNRS)
- Differential amplifier with complementary unit structure6 Aug 2019US 10,374,554 B2QUALCOMM Incorporated
- High gain load circuit for a differential pair using depletion mode transistors7 May 2019US 10,284,194 B2Analog Devices, Inc.
- Operational amplifier based circuit with compensation circuit block used for stability compensation22 May 2018US 9,979,350 B2Mediatek Inc.
- Differential amplifier with complementary unit structure27 Jun 2019US 2019/0199290 A1QUALCOMM Incorporated
- Magnetic operational amplifier13 Jun 2019US 2019/0181818 A1Centre National de la Recherche Scientifique (CNRS)
- Amplifying circuit16 Nov 2017US 2017/0331432 A1Shenzhen Goodix Technology Co., Ltd.
- Telescopic amplifier with improved common mode settling10 Aug 2017US 2017/0230054 A1Texas Instruments Incorporated
- Telescopic amplifier with improved common mode settling29 Dec 2016US 2016/0380644 A1Texas Instruments Incorporated
Most cited
By later US patents
- CMOS Operational amplifier225US 4,554,515 AAT&T Laboratories · 1985
- Current amplifiers51US 5,412,309 ANational Semiconductor Corporation · 1995
- Differential charge pump circuit with high differential and low common mode impedance43US 5,422,529 ARambus Inc. · 1995
- Operational amplifier employing complementary field-effect transistors38US 4,333,058 ARCA Corporation · 1982
- Amplifier offset cancellation using current copier35US 6,049,246 AVivid Semiconductor, Inc. · 2000