H03F 1/48
Of aperiodic amplifiers
Official title: of aperiodic amplifiers
H03F1/48 (Of aperiodic amplifiers) appears on 265 US grants and 146 published applications in this corpus.
Search patents in H03F- Granted patents
- 265
- Published applications
- 146
- Assignees
- 155
- Inventors
- 483
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 4 |
| 2003 | 5 | 3 |
| 2004 | 7 | 9 |
| 2005 | 3 | 5 |
| 2006 | 7 | 9 |
| 2007 | 12 | 7 |
| 2008 | 5 | 7 |
| 2009 | 9 | 5 |
| 2010 | 11 | 8 |
| 2011 | 4 | 4 |
| 2012 | 6 | 2 |
| 2013 | 1 | 8 |
| 2014 | 7 | 7 |
| 2015 | 4 | 9 |
| 2016 | 11 | 4 |
| 2017 | 10 | 11 |
| 2018 | 9 | 10 |
| 2019 | 10 | 6 |
| 2020 | 4 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 7 |
| 2024 | 1 | 3 |
| 2025 | 5 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circuit having an amplifier stage and a current mirror loop or stability network14 Jul 2026US 12,683,566 B2STMicroelectronics S,r.l.
- Bandwidth adjustment circuit and bandwidth adjustment method of operational amplifier9 Jun 2026US 12,652,002 B2Sg Micro Corp
- Power amplifier systems with balun and shunt capacitor17 Mar 2026US 12,580,536 B2Skyworks Solutions, Inc.
- Power amplifiers with broadband matching networks13 Jan 2026US 12,525,934 B2Skyworks Solutions, Inc.
- Wideband coupled input impedance matching LNA architecture16 Sep 2025US 12,418,266 B2Murata Manufacturing Co., Ltd.
- Power amplifier systems with balun and shunt capacitor2 Jul 2026US 2026/0189203 A1Skyworks Solutions, Inc.
- Common source and source follower buffer to interface up-converter and driver amplifier25 Jun 2026US 2026/0180529 A1QUALCOMM Incorporated
- Charge amplifier circuit for a capacitive sensing arrangement11 Jun 2026US 2026/0163541 A1EM Microelectronic-Marin SA
- Transimpedance amplifier adaptive to input current variation and output voltage level shift16 Apr 2026US 2026/0106584 A1Raytheon Company
- Wideband Coupled Input Impedance Matching LNA Architecture27 Nov 2025US 2025/0364958 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Current-controlled CMOS wideband data amplifier circuits128US 6,624,699 B2Broadcom Corporation · 2003
- Amplifier architecture for multi-carrier wide-band communications70US 6,529,715 B1Lucent Technologies Inc. · 2003
- Folded-cascode amplifier with adjustable continuous time equalizer45US 7,683,720 B1Integrated Device Technology, Inc. · 2010
- Multi-channel audio power amplifier44US 4,346,349 ANippon Gakki Seizo Kabushiki Kaisha · 1982
- Settling time reduction in wide-band direct-coupled transistor amplifiers40US 4,502,020 AComlinear Corporation · 1985