H03F 1/30
Modifications of amplifiers to reduce influence of variations of temperature or supply
Official title: Modifications of amplifiers to reduce influence of variations of temperature or supply voltage {or other physical parameters (in differential amplifiers H03F3/45479)}
H03F1/30 (Modifications of amplifiers to reduce influence of variations of temperature or supply) appears on 3,291 US grants and 2,619 published applications in this corpus.
Search patents in H03F- Granted patents
- 3,291
- Published applications
- 2,619
- Assignees
- 989
- Inventors
- 5,244
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 28 | 0 |
| 1978 | 13 | 0 |
| 1979 | 8 | 0 |
| 1980 | 20 | 0 |
| 1981 | 23 | 0 |
| 1982 | 22 | 0 |
| 1983 | 16 | 0 |
| 1984 | 37 | 0 |
| 1985 | 25 | 0 |
| 1986 | 35 | 0 |
| 1987 | 18 | 0 |
| 1988 | 26 | 0 |
| 1989 | 28 | 0 |
| 1990 | 34 | 0 |
| 1991 | 36 | 0 |
| 1992 | 24 | 0 |
| 1993 | 26 | 0 |
| 1994 | 32 | 0 |
| 1995 | 41 | 0 |
| 1996 | 31 | 0 |
| 1997 | 50 | 0 |
| 1998 | 52 | 0 |
| 1999 | 60 | 0 |
| 2000 | 58 | 0 |
| 2001 | 55 | 20 |
| 2002 | 88 | 74 |
| 2003 | 91 | 89 |
| 2004 | 104 | 114 |
| 2005 | 88 | 121 |
| 2006 | 112 | 119 |
| 2007 | 107 | 112 |
| 2008 | 91 | 106 |
| 2009 | 97 | 79 |
| 2010 | 69 | 88 |
| 2011 | 75 | 72 |
| 2012 | 99 | 96 |
| 2013 | 83 | 70 |
| 2014 | 90 | 77 |
| 2015 | 83 | 94 |
| 2016 | 111 | 95 |
| 2017 | 105 | 110 |
| 2018 | 127 | 135 |
| 2019 | 144 | 126 |
| 2020 | 129 | 178 |
| 2021 | 140 | 121 |
| 2022 | 112 | 112 |
| 2023 | 73 | 115 |
| 2024 | 83 | 120 |
| 2025 | 97 | 86 |
| 2026 | 65 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amplifier with temperature dependent gain and temperature compensated bandwidth29 Sep 2026US 12,750,011 B2STMicroelectronics International N. V.
- RF circuit for preventing damage to power amplifier29 Sep 2026US 12,750,014 B2Samsung Electronics Co., Ltd.
- Thermal droop compensation in power amplifiers22 Sep 2026US 12,744,496 B2Qorvo US, Inc.
- High voltage amplifier15 Sep 2026US 12,738,896 B2Hitachi High-Tech Corporation
- Bias circuit and power amplifier circuit15 Sep 2026US 12,738,897 B2Murata Manufacturing Co., Ltd.
- Low noise low current bias amplifier topology1 Oct 2026US 2026/0303024 A1Analog Devices, Inc.
- Ring amplifier1 Oct 2026US 2026/0303032 A1NXP USA, Inc.
- Semiconductor device1 Oct 2026US 2026/0303033 A1Mitsumi Electric Co., Ltd.
- Wideband amplifier with one-bit step attenuation1 Oct 2026US 2026/0303036 A1Northrop Grumman Systems Corporation
- Voltage regulator with saturation prevention24 Sep 2026US 2026/0288181 A1
Most cited
By later US patents
- Electronic device having sound output module1,021US 7,046,082 B2Rohm Co., Ltd. · 2006
- Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier338US 6,043,707 AMotorola, Inc. · 2000
- Subthreshold CMOS amplifier with offset adaptation214US 4,935,702 ASynaptics Incorporated · 1990
- Dual mode amplifier with bias control205US 5,432,473 ANokia Mobile Phones Ltd. · 1995
- Apparatus and methods for envelope tracking202US 8,718,188 B2Skyworks Solutions, Inc. · 2014