H03D 7/1491
Arrangements to linearise a transconductance stage of a mixer arrangement
Official title: {Arrangements to linearise a transconductance stage of a mixer arrangement}
H03D7/1491 (Arrangements to linearise a transconductance stage of a mixer arrangement) appears on 301 US grants and 196 published applications in this corpus.
Search patents in H03D- Granted patents
- 301
- Published applications
- 196
- Assignees
- 167
- Inventors
- 536
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 4 |
| 2002 | 15 | 7 |
| 2003 | 13 | 16 |
| 2004 | 12 | 14 |
| 2005 | 10 | 11 |
| 2006 | 18 | 13 |
| 2007 | 8 | 11 |
| 2008 | 12 | 15 |
| 2009 | 16 | 15 |
| 2010 | 15 | 10 |
| 2011 | 12 | 7 |
| 2012 | 8 | 11 |
| 2013 | 15 | 5 |
| 2014 | 14 | 19 |
| 2015 | 11 | 8 |
| 2016 | 11 | 2 |
| 2017 | 5 | 4 |
| 2018 | 3 | 2 |
| 2019 | 2 | 3 |
| 2020 | 7 | 4 |
| 2021 | 3 | 2 |
| 2022 | 5 | 2 |
| 2023 | 0 | 3 |
| 2024 | 3 | 5 |
| 2025 | 4 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixer with reduced local oscillator (LO) leakage5 May 2026US 12,620,936 B2QUALCOMM Incorporated
- Power mixer, radio frequency circuit, device and equipment30 Sep 2025US 12,431,930 B2Changqing Barrot Technology Limited
- Methods and circuitry for reducing mixer harmonics conversion gain and local oscillator fundamental and harmonics feedthrough19 Aug 2025US 12,395,126 B2Apple Inc.
- Oscillator feedthrough calibration18 Mar 2025US 12,255,586 B2QUALCOMM Incorporated
- Radio-frequency mixer with stabilized biasing21 Jan 2025US 12,206,362 B2Apple Inc.
- Methods and Circuitry for Reducing Mixer Harmonics Conversion Gain and Local Oscillator Fundamental and Harmonics Feedthrough13 Nov 2025US 2025/0350244 A1Apple Inc.
- Mixer with reduced local oscillator (lo) leakage19 Jun 2025US 2025/0202429 A1QUALCOMM Incorporated
- Radio-frequency Mixer with Stabilized Biasing10 Apr 2025US 2025/0119099 A1Apple Inc.
- Radio-frequency Mixer with Stabilized Biasing19 Dec 2024US 2024/0421768 A1Apple Inc.
- Methods and Circuitry for Reducing Mixer Harmonics Conversion Gain and Local Oscillator Fundamental and Harmonics Feedthrough19 Dec 2024US 2024/0421769 A1Apple Inc.
Most cited
By later US patents
- RF amplifier, RF mixer and RF receiver265US 6,026,286 ACarleton University · 2000
- Narrowband LC folded cascode structure126US 6,094,084 ANortel Networks Limited · 2000
- Transit mixer with current mode input122US 5,642,071 AAlcatel · 1997
- Dual mode tuner for co-existing digital and analog television signals122US 6,725,463 B1Microtune (Texas), L.P. · 2004
- Mixer with improved linear range121US 6,054,889 ATRW Inc. · 2000