H03F 3/72
Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means
Official title: Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
H03F3/72 (Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means) appears on 2,596 US grants and 2,462 published applications in this corpus.
Search patents in H03F- Granted patents
- 2,596
- Published applications
- 2,462
- Assignees
- 688
- Inventors
- 3,960
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 16 | 0 |
| 1996 | 27 | 0 |
| 1997 | 21 | 0 |
| 1998 | 29 | 0 |
| 1999 | 30 | 0 |
| 2000 | 45 | 0 |
| 2001 | 55 | 15 |
| 2002 | 53 | 39 |
| 2003 | 44 | 46 |
| 2004 | 47 | 57 |
| 2005 | 53 | 67 |
| 2006 | 68 | 62 |
| 2007 | 58 | 75 |
| 2008 | 61 | 82 |
| 2009 | 65 | 72 |
| 2010 | 77 | 76 |
| 2011 | 76 | 75 |
| 2012 | 80 | 114 |
| 2013 | 95 | 90 |
| 2014 | 107 | 95 |
| 2015 | 99 | 88 |
| 2016 | 83 | 103 |
| 2017 | 117 | 94 |
| 2018 | 117 | 148 |
| 2019 | 156 | 125 |
| 2020 | 120 | 159 |
| 2021 | 112 | 179 |
| 2022 | 147 | 125 |
| 2023 | 103 | 146 |
| 2024 | 116 | 147 |
| 2025 | 102 | 114 |
| 2026 | 73 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tunable effective inductance for multi-gain LNA with inductive source degeneration29 Sep 2026US 12,750,026 B2pSemi Corporation
- Power amplifier22 Sep 2026US 12,744,500 B2Samsung Electro-Mechanics Co., Ltd.
- Two-stage circuit with power supply rejection filter22 Sep 2026US 12,744,502 B2QUALCOMM Incorporated
- Scalable periphery tunable matching power amplifier25 Aug 2026US 12,719,415 B2pSemi Corporation
- Signal modulation based on duty-cycle control for radio frequency (RF) power amplifiers25 Aug 2026US 12,720,441 B2Synaptics Incorporated
- 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.
- Methods, systems, and apparatus for coupling power amplifier input signals17 Sep 2026US 2026/0280507 A1Texas Instruments Incorporated
- Apparatus and techniques for jammer signal filtering27 Aug 2026US 2026/0254440 A1QUALCOMM Incorporated
- Cross-segment power management system in a wireless communication device20 Aug 2026US 2026/0246503 A1Qorvo US, Inc.
- Amplifier circuit and related method13 Aug 2026US 2026/0237879 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Programmable mixed-mode integrated circuit architecture313US 5,563,526 ATexas Instruments Incorporated · 1996
- Bypassing amplification301US 8,063,698 B2Bose Corporation · 2011
- Efficient parallel-stage power amplifier252US 5,872,481 AQUALCOMM Incorporated · 1999
- Power waveform synthesis using bilateral devices243US 5,930,128 AEricsson Inc. · 1999
- Dual mode amplifier with bias control205US 5,432,473 ANokia Mobile Phones Ltd. · 1995