H03F 3/45582
Measuring at the common emitter circuit of the differential amplifier
Official title: {Measuring at the common emitter circuit of the differential amplifier}
H03F3/45582 (Measuring at the common emitter circuit of the differential amplifier) appears on 11 US grants and 2 published applications in this corpus.
Search patents in H03F- Granted patents
- 11
- Published applications
- 2
- Assignees
- 11
- Inventors
- 17
- Latest grant
- 10 Oct 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electronic amplifier circuit10 Oct 2006US 7,119,615 B2Koninklijke Philips Electronics N. V.
- Low-voltage high dynamic range variable-gain amplifier6 Dec 2005US 6,972,624 B1Linear Technology Corporation
- Amplifier with suppression of harmonics4 Mar 2003US 6,529,075 B2International Business Machines Corporation
- Rail-to-rail input stage19 Jun 2001US 6,249,184 B1Texas Instruments Incorporated
- Amplifier having ultra-low distortion6 Apr 1999US 5,892,398 ABHC Consulting Pty., Ltd.
Most cited
By later US patents
- Rail-to-rail input stages with constant g.sub.m and constant common-mode output currents31US 5,734,297 APhilips Electronics North America Corporation · 1998
- Overdrive thermal distortion compensation for a Quinn cascomp amplifier25US 4,528,517 ATektronix, Inc. · 1985
- Rail-to-rail input stage of an operational amplifier22US 5,153,529 AMotorola, Inc. · 1992
- Amplifier with suppression of harmonics11US 6,529,075 B2International Business Machines Corporation · 2003
- Low-voltage high dynamic range variable-gain amplifier11US 6,972,624 B1Linear Technology Corporation · 2005