H03F 3/45932
By using feedback means
Official title: {by using feedback means (H03F3/45968 takes precedence)}
H03F3/45932 (By using feedback means) appears on 230 US grants and 202 published applications in this corpus.
Search patents in H03F- Granted patents
- 230
- Published applications
- 202
- Assignees
- 141
- Inventors
- 488
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 13 | 8 |
| 2003 | 8 | 3 |
| 2004 | 5 | 13 |
| 2005 | 10 | 11 |
| 2006 | 12 | 1 |
| 2007 | 4 | 5 |
| 2008 | 5 | 6 |
| 2009 | 4 | 2 |
| 2010 | 4 | 7 |
| 2011 | 8 | 5 |
| 2012 | 8 | 11 |
| 2013 | 6 | 5 |
| 2014 | 6 | 7 |
| 2015 | 8 | 11 |
| 2016 | 12 | 4 |
| 2017 | 5 | 13 |
| 2018 | 17 | 12 |
| 2019 | 12 | 12 |
| 2020 | 16 | 14 |
| 2021 | 17 | 11 |
| 2022 | 6 | 6 |
| 2023 | 7 | 8 |
| 2024 | 3 | 11 |
| 2025 | 4 | 3 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Input common-mode compensation circuit and method and pipelined analog-to-digital converter18 Aug 2026US 12,712,557 B2Chongqing GigaChip Technology Co., Ltd.
- Differential amplifier arrangement and converter arrangement16 Jun 2026US 12,658,868 B2ams International AG
- Four-phase generation circuit with feedback28 Apr 2026US 12,615,023 B2NXP B. V.
- Device and procedure for current measurement with temperature-based frequency response correction in an analog signal path17 Feb 2026US 12,553,960 B2Infineon Technologies AG
- Output common-mode control loop for fast and smooth transition in multi-mode amplifiers30 Dec 2025US 12,512,790 B2Cirrus Logic, Inc.
- Systems and methods for low power circuits10 Sep 2026US 2026/0269796 A1National University of Singapore
- Systems and methods for analog front-end (afe) amplification with a complementary bias-stage circuit30 Jul 2026US 2026/0221951 A1Samsung Electronics Co., Ltd.
- Low-noise amplifier for micro-electro-mechanical systems (mems) microphones11 Jun 2026US 2026/0163531 A1Cirrus Logic International Semiconductor Ltd.
- Overload-protected amplifier for micro-electro-mechanical systems (mems) microphones11 Jun 2026US 2026/0163534 A1Cirrus Logic International Semiconductor Ltd.
- Audio input circuit capable of preventing deterioration of total harmonic distortion28 May 2026US 2026/0149424 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Offset cancelling amplifier circuit having Miller integrator as offset detector76US 5,798,664 ANEC Corporation · 1998
- Biomedical amplifier circuit55US 5,206,602 AHewlett-Packard Company · 1993
- Voltage sensing system with input impedance balancing for electrocardiogram (ECG) sensing applications53US 6,208,888 B1Cardiac Pacemakers, Inc. · 2001
- Wide dynamic range transimpedance amplifier51US 6,404,281 B1Sirenza Microdevices, Inc. · 2002
- Balanced amplifier using single-ended output operational amplifiers45US 5,990,737 AKabushiki Kaisha Toshiba · 1999