H03F 2203/45146
At least one op amp being added at the input of a
Official title: At least one op amp being added at the input of a dif amp
H03F2203/45146 (At least one op amp being added at the input of a) appears on 13 US grants and 9 published applications in this corpus.
Search patents in H03F- Granted patents
- 13
- Published applications
- 9
- Assignees
- 14
- Inventors
- 28
- Latest grant
- 26 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Amplification circuit with read/write circuit26 May 2020US 10,666,213 B2Ihp GmbH—Innovations for High Performance Microelectronics/Leibniz-Institut Fur Innovative Mikroelektronik
- Amplifier18 Jun 2019US 10,326,416 B2Sumitomo Electric Industries, Ltd.
- Self-biased operational transconductance amplifier-based reference circuit26 Mar 2019US 10,243,526 B1Xilinx, Inc.
- Compensation circuit of power amplifier and associated compensation method1 May 2018US 9,960,947 B2Mediatek Inc.
- Transconductance amplifier having low distortion27 Mar 2018US 9,929,705 B2Fluke Corporation
- Phase compensation circuit and amplifier including the same2 Oct 2025US 2025/0309846 A1Ablic Inc.
- Amplification circuit with read/write circuit28 Feb 2019US 2019/0068151 A1IHP GmbH - Innovations for High Performance Microelectronics/Leibniz-Institut Fur Innovative M
- Amplifier1 Nov 2018US 2018/0316323 A1Sumitomo Electric Industries, Ltd.
- Compensation circuit of power amplifier and associated compensation method8 Mar 2018US 2018/0069742 A1Mediatek Inc.
- Transconductance amplifier having low distortion30 Nov 2017US 2017/0346454 A1Fluke Corporation
Most cited
By later US patents
- Fast recovery amplifier5US 4,691,174 ATektronix, Inc. · 1987
- Apparatus and method for correcting baseline wander and offset insertion in AC coupling circuits5US 9,800,218 B1QUALCOMM Incorporated · 2017
- Voltage-controlled push-pull current source4US 4,667,146 ATektronix, Inc. · 1987
- Amplifier circuit and integrated circuit therefor4US 8,115,544 B2Freescale Semiconductor, Inc. · 2012
- Amplification systems3US 9,793,861 B1QUALCOMM Incorporated · 2017