H03F 3/45641
Measuring at the loading circuit of the differential amplifier
Official title: {Measuring at the loading circuit of the differential amplifier}
H03F3/45641 (Measuring at the loading circuit of the differential amplifier) appears on 584 US grants and 445 published applications in this corpus.
Search patents in H03F- Granted patents
- 584
- Published applications
- 445
- Assignees
- 263
- Inventors
- 1,059
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 17 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 21 | 27 |
| 2003 | 33 | 16 |
| 2004 | 21 | 10 |
| 2005 | 14 | 28 |
| 2006 | 28 | 18 |
| 2007 | 16 | 12 |
| 2008 | 20 | 22 |
| 2009 | 17 | 18 |
| 2010 | 17 | 14 |
| 2011 | 18 | 13 |
| 2012 | 16 | 18 |
| 2013 | 19 | 17 |
| 2014 | 15 | 11 |
| 2015 | 10 | 9 |
| 2016 | 21 | 22 |
| 2017 | 17 | 12 |
| 2018 | 16 | 18 |
| 2019 | 21 | 18 |
| 2020 | 20 | 22 |
| 2021 | 13 | 19 |
| 2022 | 27 | 20 |
| 2023 | 20 | 24 |
| 2024 | 7 | 23 |
| 2025 | 15 | 13 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03F 3/45659Controlling the loading circuit of the differential amplifier306
- H03F 3/4565Controlling the common source circuit of the differential amplifier192
- H03F 3/45654Controlling the active amplifying circuit of the differential amplifier104
- H03F 3/45645Controlling the input circuit of the differential amplifier56
Recent patents
- Method for performing common mode voltage re-biasing in analog front-end circuit of receiver, associated common mode voltage re-biasing circuit, associated receiver and associated integrated circuit29 Sep 2026US 12,750,025 B2Realtek Semiconductor Corp.
- Voltage and current sense circuits for measuring a load connected to a power amplifier25 Aug 2026US 12,716,920 B2Goodix Technology (Hk) Company Limited
- Comparator with reduced power consumption30 Jun 2026US 12,671,377 B2Nordic Semiconductor ASA
- Differential amplifier arrangement and converter arrangement16 Jun 2026US 12,658,868 B2ams International AG
- Continuous time operation amplifier and operating method16 Jun 2026US 12,658,869 B2Korea Advanced Institute of Science and Technology
- Differential charge pump1 Oct 2026US 2026/0303103 A1International Business Machines Corporation
- Operational transconductance amplifier (ota) with separate cascode paths for reconfigurable input pairs23 Jul 2026US 2026/0213718 A1QUALCOMM Incorporated
- System and methods for efficient common mode suppression for transmission systems16 Jul 2026US 2026/0205068 A1Avago Technologies International Sales Pte. Limited
- Self-bias signal generating circuit using differential signal and receiver including the same16 Jul 2026US 2026/0205077 A1Samsung Electronics Co., Ltd.
- Operational amplifier16 Jul 2026US 2026/0205080 A1Rohm Co., Ltd.
Most cited
By later US patents
- Operational amplifier apparatus211US 5,777,515 AMatsushita Electric Industrial Co., Ltd. · 1998
- Method and apparatus for controlling the common-mode output voltage of a differential buffer131US 5,939,904 ALucent Technologies Inc. · 1999
- Amplifier having improved common mode voltage range123US 6,107,882 ALucent Technologies Inc. · 2000
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- CMOS complementary self-biased differential amplifier with rail-to-rail common-mode input-voltage range66US 4,958,133 AIntel Corporation · 1990