H03F 2203/45484
The csc comprising one or more op-amps
Official title: the CSC comprising one or more op-amps
H03F2203/45484 (The csc comprising one or more op-amps) appears on 14 US grants and 12 published applications in this corpus.
Search patents in H03F- Granted patents
- 14
- Published applications
- 12
- Assignees
- 16
- Inventors
- 27
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 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 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transconductance amplifier with an inverse relationship between a control voltage and a transconductance and a switching regulator using the transconductance amplifier in a feedback circuit9 Jun 2026US 12,652,009 B2Allegro MicroSystems, LLC
- Biasing circuit for differential amplifier3 Jul 2012US 8,212,616 B2STMicroelectronics S.r.l.
- Tunable linear operational transconductance amplifier24 May 2011US 7,948,314 B2STMicroelectronics (Shenzhen) R&D Co. Ltd
- Integrated circuit apparatus and method of compensating a current31 Mar 2009US 7,511,565 B2Avago Technologies General IP (Singapore) Pte. Ltd.
- Detecting amplifier out-of-range conditions23 Sep 2008US 7,427,898 B2Texas Instruments Deutschland GmbH
- Transconductance amplifier with an inverse relationship between a control voltage and a transconductance and a switching regulator using the transconductance amplifier in a feedback circuit15 Aug 2024US 2024/0275344 A1Allegro MicroSystems, LLC
- Biasing Circuit for Differential Amplifier30 Jun 2011US 2011/0156816 A1STMicroelectronics S.r.l.
- Tunable linear operational transconductance amplifier31 Dec 2009US 2009/0322428 A1STMicroelectronics (Shenzhen) R&D Co. Ltd
- Detecting amplifier out-of-range conditions23 Aug 2007US 2007/0194843 A1Texas Instruments Incorporated
- Operational amplifier15 Mar 2007US 2007/0057724 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Voltage-to-current converter32US 4,675,594 AHoneywell Inc. · 1987
- MOS differential amplifier circuit having a wide linear input voltage range10US 6,657,486 B2NEC Electronics Corporation · 2003
- Dynamic gain compensation and calibration8US 7,064,602 B2Rambus Inc. · 2006
- Merged differential amplifier and current source7US 5,115,206 ANorth American Philips Corporation, Signetics Division · 1992
- Linear voltage subtractor/adder circuit and MOS differential amplifier circuit therefor6US 6,657,485 B2NEC Electronics Corporation · 2003