H03F 1/26
Modifications of amplifiers to reduce influence of noise generated by amplifying elements
H03F1/26 (Modifications of amplifiers to reduce influence of noise generated by amplifying elements) appears on 1,290 US grants and 1,379 published applications in this corpus.
Search patents in H03F- Granted patents
- 1,290
- Published applications
- 1,379
- Assignees
- 556
- Inventors
- 2,422
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 5 |
| 2002 | 7 | 7 |
| 2003 | 12 | 15 |
| 2004 | 12 | 24 |
| 2005 | 18 | 44 |
| 2006 | 39 | 50 |
| 2007 | 37 | 75 |
| 2008 | 69 | 57 |
| 2009 | 65 | 47 |
| 2010 | 43 | 46 |
| 2011 | 49 | 24 |
| 2012 | 34 | 23 |
| 2013 | 31 | 41 |
| 2014 | 25 | 38 |
| 2015 | 42 | 55 |
| 2016 | 60 | 45 |
| 2017 | 64 | 61 |
| 2018 | 62 | 77 |
| 2019 | 96 | 83 |
| 2020 | 78 | 90 |
| 2021 | 75 | 63 |
| 2022 | 72 | 73 |
| 2023 | 41 | 71 |
| 2024 | 56 | 130 |
| 2025 | 92 | 63 |
| 2026 | 53 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Power control apparatus for improving harmonic wave, and power amplifier and device1 Sep 2026US 12,726,157 B2Smarter Microelectronics (Guang Zhou) Co., Ltd.
- Radio frequency (rf) circuit including power stage with rf noise blocking or attenuation for increased dynamic power range8 Oct 2026US 2026/0312558 A1GLOBALFOUNDRIES U. S. Inc.
- Low noise low current bias amplifier topology1 Oct 2026US 2026/0303024 A1Analog Devices, Inc.
- Differential power amplifier1 Oct 2026US 2026/0303031 A1Murata Manufacturing Co., Ltd.
- Low-noise amplifier circuit1 Oct 2026US 2026/0303038 A1Murata Manufacturing Co., Ltd.
- Amplifier circuits with guarding for mitigation of dielectric absorption10 Sep 2026US 2026/0269790 A1Avago Technologies International Sales Pte. Limited
Most cited
By later US patents
- Notch filter for ripple reduction in chopper stabilized amplifiers120US 7,292,095 B2Texas Instruments Incorporated · 2007
- System and method for providing a low power receiver design114US 6,377,315 B1Broadcom Corporation · 2002
- Integrated tunable inductance network and method109US 5,872,489 ARockwell Science Center, Inc. · 1999
- Multiple mode RF power converter103US 9,041,365 B2RF Micro Devices, Inc. · 2015
- Delay mismatched feed forward amplifier system using penalties and floors for control102US 7,126,418 B2Powerwave Technologies, Inc. · 2006