H03F 3/3028
With symmetrical driving of the end stage
Official title: {with symmetrical driving of the end stage}
H03F3/3028 (With symmetrical driving of the end stage) appears on 316 US grants and 257 published applications in this corpus.
Search patents in H03F- Granted patents
- 316
- Published applications
- 257
- Assignees
- 162
- Inventors
- 523
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 17 | 4 |
| 2002 | 13 | 10 |
| 2003 | 14 | 10 |
| 2004 | 15 | 6 |
| 2005 | 4 | 7 |
| 2006 | 5 | 3 |
| 2007 | 7 | 6 |
| 2008 | 3 | 0 |
| 2009 | 3 | 11 |
| 2010 | 12 | 8 |
| 2011 | 8 | 8 |
| 2012 | 9 | 12 |
| 2013 | 12 | 9 |
| 2014 | 9 | 6 |
| 2015 | 8 | 14 |
| 2016 | 13 | 12 |
| 2017 | 11 | 11 |
| 2018 | 11 | 9 |
| 2019 | 6 | 11 |
| 2020 | 11 | 10 |
| 2021 | 15 | 12 |
| 2022 | 10 | 22 |
| 2023 | 19 | 25 |
| 2024 | 13 | 11 |
| 2025 | 13 | 11 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for low voltage and low power transimpedance amplifier (TIA) design12 May 2026US 12,627,263 B1Cisco Technology, Inc.
- Efficient common mode suppression for transmission systems31 Mar 2026US 12,592,670 B2Avago Technologies International Sales Pte. Limited
- Interpolation amplifier and source driver comprising the same24 Mar 2026US 12,586,503 B2Anapass Inc.
- Transimpedance amplifier circuit17 Mar 2026US 12,580,539 B2Sumitomo Electric Industries, Ltd.
- Input buffer and a method for reducing a signal amplitude dependency of said input buffer3 Feb 2026US 12,542,562 B2Imec Vzw
- Differential amplifier and data driving device6 Aug 2026US 2026/0230050 A1Lx Semicon Co., Ltd.
- System and methods for efficient common mode suppression for transmission systems16 Jul 2026US 2026/0205068 A1Avago Technologies International Sales Pte. Limited
- Source driver including 1-bit extended interpolation amplifier11 Jun 2026US 2026/0163539 A1Samsung Electronics Co., Ltd.
- Class ab quiescent current optimization4 Jun 2026US 2026/0155786 A1STMicroelectronics International N. V.
- Current mirror operational transconductance amplifier9 Apr 2026US 2026/0100685 A1Semiconductor Components Industries, LLC
Most cited
By later US patents
- Control circuit having multiple functions set by a single programmable terminal82US 6,286,127 B1Texas Instruments Incorporated · 2001
- Amplifying apparatus80US 8,164,388 B2Yamaha Corporation · 2012
- Combination driver-summing circuit for rail-to-rail differential amplifier71US 5,311,145 ANorth American Philips Corporation · 1994
- Fully differential self-biased signal receiver40US 5,703,532 AInternational Business Machines Corporation · 1997
- CMOS assisted output stage40US 6,608,526 B1National Semiconductor Corporation · 2003