H03F 3/45896
By using a feedback circuit
Official title: {by using a feedback circuit}
H03F3/45896 (By using a feedback circuit) appears on 6 US grants and 4 published applications in this corpus.
Search patents in H03F- Granted patents
- 6
- Published applications
- 4
- Assignees
- 7
- Inventors
- 10
- Latest grant
- 19 Apr 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Operational amplifier input offset correction with transistor threshold voltage adjustment19 Apr 2016US 9,319,013 B2Mie Fujitsu Semiconductor Limited
- Driving amplifier circuit with digital control and DC offset equalization31 Aug 2010US 7,786,804 B2MediaTek Singapore Pte. Ltd.
- Class AB folded cascode stage and method for low noise, low power, low-offset operational amplifier12 Aug 2008US 7,411,451 B2Texas Instruments Incorporated
- Circuit and method for compensating for offset voltage5 Jun 2007US 7,227,389 B2Samsung Electro-Mechanics Co., Ltd.
- Input to output stage interface with virtual ground circuitry for rail to rail comparator5 Oct 1999US 5,963,085 ANational Semiconductor Corporation
- Operational amplifier input offset correction with transistor threshold voltage adjustment25 Feb 2016US 2016/0056780 A1Mie Fujitsu Semiconductor Limited
- Driving amplifier circuit with digital control and dc offset equalization18 Feb 2010US 2010/0039175 A1MediaTek Singapore Pte. Ltd.
- Class ab folded cascode stage and method for low noise, low power, low-offset operational amplilier4 Oct 2007US 2007/0229156 A1Texas Instruments Incorporated
- Circuit and method for compensating for offset voltage24 Aug 2006US 2006/0186953 A1Samsung Electro-Mechanics Co., Ltd.
Most cited
By later US patents
- Circuit and method for compensating for offset voltage52US 7,227,389 B2Samsung Electro-Mechanics Co., Ltd. · 2007
- Direct-coupled amplifier with output offset regulation14US 4,301,421 ANippon Gakki Seizo Kabushiki Kaisha · 1981
- Input to output stage interface with virtual ground circuitry for rail to rail comparator5US 5,963,085 ANational Semiconductor Corporation · 1999
- Class AB folded cascode stage and method for low noise, low power, low-offset operational amplifier5US 7,411,451 B2Texas Instruments Incorporated · 2008
- Driving amplifier circuit with digital control and DC offset equalization1US 7,786,804 B2MediaTek Singapore Pte. Ltd. · 2010