H03G 1/04
Modifications of control circuit to reduce distortion caused by control
Official title: Modifications of control circuit to reduce distortion caused by control (modifications to reduce influence of variations of internal impedance of amplifying elements caused by control H03F1/08)
H03G1/04 (Modifications of control circuit to reduce distortion caused by control) appears on 190 US grants and 82 published applications in this corpus.
Search patents in H03G- Granted patents
- 190
- Published applications
- 82
- Assignees
- 132
- Inventors
- 308
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 6 |
| 2003 | 1 | 4 |
| 2004 | 3 | 7 |
| 2005 | 7 | 2 |
| 2006 | 3 | 6 |
| 2007 | 4 | 6 |
| 2008 | 6 | 5 |
| 2009 | 4 | 3 |
| 2010 | 6 | 5 |
| 2011 | 3 | 1 |
| 2012 | 6 | 1 |
| 2013 | 1 | 11 |
| 2014 | 7 | 3 |
| 2015 | 4 | 2 |
| 2016 | 2 | 0 |
| 2017 | 3 | 4 |
| 2018 | 0 | 0 |
| 2019 | 3 | 5 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gain compensation circuit26 Mar 2024US 11,942,901 B2Skyworks Solutions, Inc.
- Deglitching circuit and method in a class-D amplifier5 Sep 2023US 11,750,163 B2STMicroelectronics (Shenzhen) R&D Co. Ltd
- Gain compensation circuit16 Aug 2022US 11,418,150 B2Skyworks Solutions, Inc.
- Gain-control stage for a variable gain amplifier23 Nov 2021US 11,183,979 B2Ihp GmbH—Innovations for High Performance Microelectronics/Leibniz-Institut Fur Innovative Mikroelektronik
- Deglitching circuit and method in class-D amplifier30 Mar 2021US 10,965,263 B2STMicroelectronics (Shenzhen) R&D Co. Ltd
- Semi-parametric digital pre-distortion18 Jun 2026US 2026/0171994 A1Avago Technologies International Sales Pte. Limited
- Amplifiers19 Sep 2024US 2024/0313728 A1Nordic Semiconductor ASA
- Level-shifting amplifier with gain error reduction23 May 2024US 2024/0171131 A1National Cheng Kung University
- Gain compensation circuit9 Feb 2023US 2023/0037298 A1Skyworks Solutions, Inc.
- Device with a noise shaping function in gain control9 Dec 2021US 2021/0382442 A1BlueX Microelectronics ( Hefei ) Co., Ltd.
Most cited
By later US patents
- Wide dynamic range control amplifier with offset correction230US 4,354,162 ANational Semiconductor Corporation · 1982
- System for improving the dynamic range of transmitter power measurement in a cellular telephone119US 6,128,477 AEricsson Inc. · 2000
- Linear gain control amplifier50US 5,099,204 AQUALCOMM Incorporated · 1992
- Transmitter having a temperature adjusted power amplifier47US 5,192,919 AMotorola, Inc. · 1993
- Monotonic conversion of RF power amplifier calibration data45US 8,975,959 B2RF Micro Devices, Inc. · 2015