H03F 3/45529
Controlling the active amplifying circuit of the differential amplifier
Official title: {Controlling the active amplifying circuit of the differential amplifier}
H03F3/45529 (Controlling the active amplifying circuit of the differential amplifier) appears on 7 US grants and 2 published applications in this corpus.
Search patents in H03F- Granted patents
- 7
- Published applications
- 2
- Assignees
- 7
- Inventors
- 7
- Latest grant
- 18 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
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| 1988 | 1 | 0 |
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| 2002 | 1 | 0 |
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| 2008 | 0 | 1 |
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| 2012 | 0 | 0 |
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| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Amplifier18 Jun 2019US 10,326,416 B2Sumitomo Electric Industries, Ltd.
- Wide input common mode for input bias current cancellation21 Jul 2009US 7,564,309 B2National Semiconductor Corporation
- Rail-to-rail input/output operational amplifier and method12 Mar 2002US 6,356,153 B1Texas Instruments Incorporated
- Rail-to-rail input/output operational amplifier and method21 Nov 2000US 6,150,883 ABurr-Brown Corporation
- Wideband constant impedance amplifiers17 Jan 1995US 5,382,919 APlessey Semiconductors Limited
Most cited
By later US patents
- Rail-to-rail input/output operational amplifier and method36US 6,150,883 ABurr-Brown Corporation · 2000
- Rail-to-rail input/output operational amplifier and method24US 6,356,153 B1Texas Instruments Incorporated · 2002
- Filter arrangement having a transconductance circuit11US 4,780,690 AU. S. Philips Corporation · 1988
- Differential output amplifier input stage with rail-to-rail common mode input range11US 5,294,893 ASGS-Thomson Microelectronics S.A. · 1994
- Wideband constant impedance amplifiers6US 5,382,919 APlessey Semiconductors Limited · 1995