H03F 3/45112
Complementary long tailed pairs having parallel inputs and being supplied in parallel
Official title: {Complementary long tailed pairs having parallel inputs and being supplied in parallel}
H03F3/45112 (Complementary long tailed pairs having parallel inputs and being supplied in parallel) appears on 59 US grants and 21 published applications in this corpus.
Search patents in H03F- Granted patents
- 59
- Published applications
- 21
- Assignees
- 36
- Inventors
- 92
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 3 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-voltage high-speed programmable equalization circuit18 Aug 2026US 12,712,512 B2Xiamen Ux Ic Co., Ltd.
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities14 Jul 2026US 12,683,567 B2Zjw Microelectronics North America Inc.
- High-performance audio amplifier27 May 2025US 12,316,287 B1Focal Jmlab
- Differential amplifier and a data driving device7 Jan 2025US 12,191,829 B2Lx Semicon Co., Ltd.
- Multipath programmable gain instrumentation amplifier frontend3 Oct 2023US 11,777,463 B2Texas Instruments Incorporated
- High-performance audio amplifier15 May 2025US 2025/0158584 A1Focal Jmlab
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities13 Mar 2025US 2025/0088158 A1Zjw Microelectronics North America Inc.
- Buffer circuit having enhanced slew rate19 Sep 2024US 2024/0313705 A1Magnachip Mixed-Signal, Ltd.
- Differential amplifier and a data driving device2 May 2024US 2024/0146263 A1Lx Semicon Co., Ltd.
- Low-voltage high-speed programmable equalization circuit16 Nov 2023US 2023/0370038 A1Xiamen Ux High-Speed Ic Co., Ltd.
Most cited
By later US patents
- Differential amplifier with rail-to-rail input capability and controlled transconductance84US 4,555,673 ASignetics Corporation · 1985
- Constant transductance input stage and integrated circuit implementations thereof40US 5,714,906 A1998
- Method and circuit for trimming an operational amplifier having dual input stages36US 5,610,557 ALinear Technology Corporation · 1997
- Rail-to-rail input stages with constant g.sub.m and constant common-mode output currents31US 5,734,297 APhilips Electronics North America Corporation · 1998
- Differential amplifier circuit with rail-to-rail capability26US 4,532,479 ASignetics Corporation · 1985