H03F 2203/45074
A comparator circuit compares the common mode signal to a reference before
Official title: A comparator circuit compares the common mode signal to a reference before controlling the differential amplifier or related stages
H03F2203/45074 (A comparator circuit compares the common mode signal to a reference before) appears on 64 US grants and 48 published applications in this corpus.
Search patents in H03F- Granted patents
- 64
- Published applications
- 48
- Assignees
- 59
- Inventors
- 128
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 4 |
| 2008 | 5 | 4 |
| 2009 | 5 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 5 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging device and electronic apparatus14 Jan 2025US 12,200,385 B2Sony Semiconductor Solutions Corporation
- Chopper amplifying circuit employing negative impedance compensation technique14 May 2024US 11,984,859 B2South China University of Technology
- Current sensing circuitry4 Apr 2023US 11,621,683 B2Cirrus Logic, Inc.
- Frequency-selective common-mode control and output stage biasing in an operational amplifier for a class-D amplifier loop filter6 Dec 2022US 11,522,509 B2Cirrus Logic, Inc.
- Apparatus and method for an analog to digital converter5 Jul 2022US 11,381,207 B2STMicroelectronics International N. V.
- Systems and methods for signal-to-noise ratio (snr) optimization using bias control30 Apr 2026US 2026/0118391 A1Avago Technologies International Sales Pte. Limited
- Methods and apparatus to regulate an amplifier5 Mar 2026US 2026/0066856 A1Texas Instruments Incorporated
- Precision operational amplifier using floating input stage15 Feb 2024US 2024/0056044 A1Semiconductor Components Industries, LLC
- Operational amplifier, drive circuit, interface chip, and electronic device2 Nov 2023US 2023/0353109 A1
- Imaging device and electronic apparatus19 Oct 2023US 2023/0336894 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- Differential amplifier with common-mode stability enhancement58US 5,187,448 AMotorola, Inc. · 1993
- Common mode stabilizing circuit and method49US 5,668,468 AHarris Corporation · 1997
- High speed fully differential operational amplifier30US 5,128,630 AMotorola, Inc. · 1992
- Differential amplifier circuit using quadritail circuit25US 5,381,113 ANEC Corporation · 1995