H03F 2203/45158
One or more diodes coupled at the inputs of a dif amp
Official title: One or more diodes coupled at the inputs of a dif amp as clamping elements
H03F2203/45158 (One or more diodes coupled at the inputs of a dif amp) appears on 7 US grants and 5 published applications in this corpus.
Search patents in H03F- Granted patents
- 7
- Published applications
- 5
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
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| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical circuit5 May 2026US 12,620,945 B2Gottfried Wilhelm Leibniz Universitat Hannover
- Switchable clamps across attenuators5 Jul 2022US 11,381,268 B1pSemi Corporation
- Rail to rail operational amplifier input stage9 May 1995US 5,414,388 ANational Semiconductor Corporation
- Amplifier with actively clamped load4 Apr 1995US 5,404,333 ATexas Instruments Incorporated
- Folded cascode operational amplifier with gain enhancing base current compensation21 Jun 1994US 5,323,121 AAnalog Devices, Inc.
- High-voltage input stage circuit without bias current23 Oct 2025US 2025/0330125 A1Sg Micro Corp
- Switchable clamps across attenuators11 Jul 2024US 2024/0235596 A9pSemi Corporation
- Switchable clamps across attenuators25 Apr 2024US 2024/0137059 A1pSemi Corporation
- Electrical circuit24 Nov 2022US 2022/0376660 A1Gottfried Wilhelm Leibniz Universitat Hannover
- High voltage regulated power supply21 Jul 2011US 2011/0175583 A1
Most cited
By later US patents
- Amplifier with actively clamped load19US 5,206,550 ATexas Instruments Incorporated · 1993
- Folded cascode operational amplifier with gain enhancing base current compensation17US 5,323,121 AAnalog Devices, Inc. · 1994
- Rail to rail operational amplifier input stage8US 5,414,388 ANational Semiconductor Corporation · 1995
- Amplifier with actively clamped load6US 5,404,333 ATexas Instruments Incorporated · 1995
- Switchable clamps across attenuators1US 11,381,268 B1pSemi Corporation · 2022