H03F 3/45488
By using feedback means
Official title: {by using feedback means (H03F3/4578 takes precedence)}
H03F3/45488 (By using feedback means) appears on 161 US grants and 95 published applications in this corpus.
Search patents in H03F- Granted patents
- 161
- Published applications
- 95
- Assignees
- 92
- Inventors
- 279
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 11 | 3 |
| 2003 | 7 | 5 |
| 2004 | 4 | 3 |
| 2005 | 5 | 6 |
| 2006 | 3 | 1 |
| 2007 | 2 | 2 |
| 2008 | 2 | 4 |
| 2009 | 5 | 4 |
| 2010 | 4 | 6 |
| 2011 | 2 | 0 |
| 2012 | 4 | 4 |
| 2013 | 2 | 1 |
| 2014 | 5 | 4 |
| 2015 | 1 | 2 |
| 2016 | 5 | 2 |
| 2017 | 5 | 4 |
| 2018 | 2 | 4 |
| 2019 | 7 | 7 |
| 2020 | 7 | 8 |
| 2021 | 6 | 3 |
| 2022 | 5 | 6 |
| 2023 | 5 | 5 |
| 2024 | 3 | 5 |
| 2025 | 5 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Common-mode noise detection and calibration system for high-speed SERDES8 Sep 2026US 12,732,224 B1Marvell Asia Pte Ltd
- Reception apparatus to receive signals using circuit current consumption, communication system, and method for controlling reception apparatus10 Feb 2026US 12,549,211 B2Canon Kabushiki Kaisha
- Bandwidth enhanced gain stage with improved common mode rejection ratio24 Jun 2025US 12,341,477 B2Huawei Technologies Co., Ltd.
- Differential amplifier, semiconductor device and offset cancellation method1 Apr 2025US 12,267,053 B2Renesas Electronics Corporation
- Amplifier with a converting circuit with reduced intrinsic time constant18 Mar 2025US 12,255,594 B2Huawei Technologies Co., Ltd.
- Analog front end with compensated open loop stage20 Aug 2026US 2026/0246430 A1STMicroelectronics International N. V.
- Transimpedance amplifier adaptive to input current variation and output voltage level shift16 Apr 2026US 2026/0106585 A1Raytheon Company
- Methods and devices including amplifier circuitry1 Jan 2026US 2026/0005654 A1Intel Corporation
- Biasing circuit with offset correction and high-speed input stage breakdown protection16 Oct 2025US 2025/0323605 A1MACOM Technology Solutions Holdings, Inc.
- Multiple path amplifier circuit and method14 Aug 2025US 2025/0260369 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Differential DC offset compensation circuit181US 5,471,665 AMotorola, Inc. · 1995
- Linear variable gain amplifiers137US 6,563,382 B1International Business Machines Corporation · 2003
- Apparatus with distortion cancelling feedback signal65US 5,613,233 ARockwell International Corporation · 1997
- Low-voltage transconductance amplifier/filters65US 6,704,560 B1Skyworks Solutions, Inc. · 2004
- LVDS driver in bipolar and MOS technology63US 6,791,377 B2Alcatel · 2004