H03F 2203/45034
One or more added reactive elements, capacitive or inductive elements, to the
Official title: One or more added reactive elements, capacitive or inductive elements, to the amplifying transistors in the differential amplifier
H03F2203/45034 (One or more added reactive elements, capacitive or inductive elements, to the) appears on 27 US grants and 24 published applications in this corpus.
Search patents in H03F- Granted patents
- 27
- Published applications
- 24
- Assignees
- 25
- Inventors
- 64
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 5 | 4 |
| 2019 | 4 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Variable inductance systems and methods for high frequency gain control18 Sep 2025US 2025/0293652 A1Maxim Integrated Products, Inc.
- Systems and methods for front-end module filtering9 Nov 2023US 2023/0361724 A1
- Electrical amplifier17 Jun 2021US 2021/0184639 A1Sicoya GmbH
- Wideband Amplifier Circuit4 Mar 2021US 2021/0067117 A1Apple Inc.
Most cited
By later US patents
- Positive feedback low input capacitance differential amplifier15US 5,345,346 AVTC Inc. · 1994
- Amplifier with integrated filter11US 8,237,509 B2QUALCOMM Incorporated · 2012
- Charge transfer device for processing video-frequency signals10US 4,159,430 AU. S. Philips Corporation · 1979
- Wideband closed loop amplifier8US 4,757,275 AComlinear Corporation · 1988
- Wideband distributed differential power amplifier utilizing metamaterial transmission line conception with impedance transformation6US 10,439,575 B1Speedlink Technology Inc. · 2019