H03F 2203/45036
The differential amplifier amplifying transistors are single transistors
Official title: the differential amplifier amplifying transistors are single transistors
H03F2203/45036 (The differential amplifier amplifying transistors are single transistors) appears on 22 US grants and 11 published applications in this corpus.
Search patents in H03F- Granted patents
- 22
- Published applications
- 11
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 4 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wideband amplifier circuit19 Oct 2021US 11,152,905 B2Apple Inc.
- Power amplifier with nulling monitor circuit4 May 2021US 10,998,863 B2Analog Devices, Inc.
- Wideband distributed differential power amplifier utilizing metamaterial transmission line conception with impedance transformation8 Oct 2019US 10,439,575 B1Speedlink Technology Inc.
- High gain load circuit for a differential pair using depletion mode transistors7 May 2019US 10,284,194 B2Analog Devices, Inc.
- Ultra-low working voltage rail-to-rail operational amplifier, and differential input amplification-stage circuit and output-stage circuit thereof23 Apr 2019US 10,270,391 B2Huawei Technologies Co., Ltd.
- Operational amplifier, drive circuit, interface chip, and electronic device2 Nov 2023US 2023/0353109 A1
- Wideband Amplifier Circuit4 Mar 2021US 2021/0067117 A1Apple Inc.
- Power amplifier with nulling monitor circuit18 Apr 2019US 2019/0115876 A1Analog Devices, Inc.
- Compensation circuit of power amplifier and associated compensation method8 Mar 2018US 2018/0069742 A1Mediatek Inc.
- Differential amplifiers7 Dec 2017US 2017/0353165 A1Nordic Semiconductor ASA
Most cited
By later US patents
- Coupling circuit35US 5,770,972 AZero Impedance Systems, Inc. · 1998
- Low voltage fully differential operational amplifier with improved common mode circuitry20US 5,844,442 AAdvanced Micro Devices, Inc. · 1998
- Composite differential amplifier17US 5,254,956 ANEC Corporation · 1993
- Balanced output analog differential amplifier circuit13US 4,742,308 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Wideband closed loop amplifier8US 4,757,275 AComlinear Corporation · 1988