H03F 3/45717
Controlling the loading circuit of the differential amplifier
Official title: {Controlling the loading circuit of the differential amplifier}
H03F3/45717 (Controlling the loading circuit of the differential amplifier) appears on 41 US grants and 26 published applications in this corpus.
Search patents in H03F- Granted patents
- 41
- Published applications
- 26
- Assignees
- 36
- Inventors
- 64
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 1 | 0 |
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| 1981 | 1 | 0 |
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| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 5 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 4 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
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| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Differential signal amplification circuit, digital isolator, and digital receiver2 Sep 2025US 12,407,300 B2Suzhou Novosense Microelectronics Co., Ltd.
- Transconductor circuitry with adaptive biasing19 Nov 2024US 12,149,219 B2Ams AG
- 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.
- Pole-splitting and feedforward capacitors in common mode feedback of fully differential amplifier17 Mar 2020US 10,594,278 B2Samsung Electronics Co., Ltd.
- Voltage-to-current conversion4 Feb 2020US 10,554,212 B2Socionext Inc.
- Differential signal amplification circuit, digital isolator, and digital receiver15 Jun 2023US 2023/0188097 A1Suzhou Novosense Microelectronics Co., Ltd.
- Frequency-selective common-mode control and output stage biasing in an operational amplifier for a class-d amplifier loop filter8 Sep 2022US 2022/0286098 A1Cirrus Logic International Semiconductor Ltd.
- Transconductor circuitry with adaptive biasing17 Feb 2022US 2022/0052660 A1Ams AG
- Voltage-to-current conversion25 Jul 2019US 2019/0229738 A1Socionext Inc.
- Pole-splitting and feedforward capacitors in common mode feedback of fully differential amplifier7 Mar 2019US 2019/0074804 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Operational amplifier apparatus211US 5,777,515 AMatsushita Electric Industrial Co., Ltd. · 1998
- Line receiver circuit with large common mode range for differential input signals61US 6,236,242 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- Operational amplifier26US 5,515,003 AMatsushita Electric Industrial Co., Ltd. · 1996
- Operational amplifier24US 4,267,517 ATokyo Shibaura Denki Kabushiki Kaisha · 1981
- Fully differential line driver circuit having common-mode feedback23US 5,381,112 AMotorola, Inc. · 1995