H03F 2203/45318
The aac comprising a cross coupling circuit
Official title: the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
H03F2203/45318 (The aac comprising a cross coupling circuit) appears on 325 US grants and 292 published applications in this corpus.
Search patents in H03F- Granted patents
- 325
- Published applications
- 292
- Assignees
- 190
- Inventors
- 583
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
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| 1987 | 2 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 6 |
| 2003 | 6 | 4 |
| 2004 | 8 | 7 |
| 2005 | 6 | 8 |
| 2006 | 8 | 18 |
| 2007 | 12 | 22 |
| 2008 | 24 | 31 |
| 2009 | 24 | 20 |
| 2010 | 23 | 10 |
| 2011 | 17 | 10 |
| 2012 | 9 | 12 |
| 2013 | 21 | 18 |
| 2014 | 10 | 8 |
| 2015 | 12 | 1 |
| 2016 | 6 | 7 |
| 2017 | 10 | 8 |
| 2018 | 8 | 5 |
| 2019 | 12 | 16 |
| 2020 | 12 | 11 |
| 2021 | 11 | 14 |
| 2022 | 16 | 13 |
| 2023 | 12 | 18 |
| 2024 | 10 | 10 |
| 2025 | 12 | 9 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Amplifier with low-gain architecture for mmwave radio frequency (rf) signals5 Feb 2026US 2026/0039258 A1QUALCOMM Incorporated
- Beta variation insensitive gain control circuit for cross-coupled differential pairs15 Jan 2026US 2026/0019054 A1MACOM Technology Solutions Holdings, Inc.
Most cited
By later US patents
- Gain boosting RF gain stage with cross-coupled capacitors119US 7,697,915 B2QUALCOMM Incorporated · 2010
- Variable gain amplifier79US 6,737,920 B2Atheros Communications, Inc. · 2004
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- Balanced mixer with feedback pre-amplifier67US 6,438,365 B1Philsar Semiconductor Inc. · 2002
- Cascode single-ended to differential converter65US 5,929,710 ANational Semiconductor Corporation · 1999