H03F 3/4556
Controlling the common emitter circuit of the differential amplifier
Official title: {Controlling the common emitter circuit of the differential amplifier}
H03F3/4556 (Controlling the common emitter circuit of the differential amplifier) appears on 30 US grants and 10 published applications in this corpus.
Search patents in H03F- Granted patents
- 30
- Published applications
- 10
- Assignees
- 22
- Inventors
- 33
- Latest grant
- 6 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 3 |
| 2003 | 5 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Differential amplifier with rail-to-rail input capability and controlled transconductance84US 4,555,673 ASignetics Corporation · 1985
- Low voltage differential signal (LVDS) input circuit64US 6,504,403 B2Telefonaktiebolaget LM Ericsson · 2003
- Bootstrapped, AC-coupled differential amplifier55US 5,300,896 A1994
- Method and circuit for trimming an operational amplifier having dual input stages36US 5,610,557 ALinear Technology Corporation · 1997
- Rail-to-rail input stage of an operational amplifier22US 5,153,529 AMotorola, Inc. · 1992