H03F 3/45183
Long tailed pairs
Official title: {Long tailed pairs (H03F3/4521, H03F3/45237 take precedence)}
H03F3/45183 (Long tailed pairs) appears on 3,435 US grants and 3,160 published applications in this corpus.
Search patents in H03F- Granted patents
- 3,435
- Published applications
- 3,160
- Assignees
- 829
- Inventors
- 5,017
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 15 | 0 |
| 1995 | 27 | 0 |
| 1996 | 15 | 0 |
| 1997 | 18 | 0 |
| 1998 | 34 | 0 |
| 1999 | 30 | 0 |
| 2000 | 31 | 0 |
| 2001 | 48 | 18 |
| 2002 | 68 | 64 |
| 2003 | 99 | 82 |
| 2004 | 91 | 86 |
| 2005 | 77 | 141 |
| 2006 | 134 | 160 |
| 2007 | 156 | 174 |
| 2008 | 157 | 169 |
| 2009 | 164 | 184 |
| 2010 | 182 | 150 |
| 2011 | 140 | 121 |
| 2012 | 140 | 123 |
| 2013 | 148 | 121 |
| 2014 | 146 | 125 |
| 2015 | 93 | 102 |
| 2016 | 141 | 103 |
| 2017 | 111 | 82 |
| 2018 | 120 | 112 |
| 2019 | 148 | 125 |
| 2020 | 148 | 164 |
| 2021 | 125 | 138 |
| 2022 | 141 | 144 |
| 2023 | 120 | 143 |
| 2024 | 106 | 129 |
| 2025 | 106 | 126 |
| 2026 | 63 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fast settling voltage regulator circuitry with pole frequency tracking6 Oct 2026US 12,754,580 B2Advanced Micro Devices, Inc.
- Reduction of charge injection noise in sense amplifiers of high-speed data interfaces25 Aug 2026US 12,719,413 B2Parade Technologies, Ltd.
- Intermodulation distortion mitigation25 Aug 2026US 12,719,425 B2Apple Inc.
- Field effect transistor (FET) transconductance device with varying gate lengths25 Aug 2026US 12,719,426 B2Qorvo US, Inc.
- Control circuit and voltage output circuit25 Aug 2026US 12,719,427 B2Fuji Electric Co., Ltd.
- Self-protected high-transconductance input stage for comparators and amplifiers8 Oct 2026US 2026/0312554 A1Analog Devices International Unlimited Company
- High linearity transconductance amplifier17 Sep 2026US 2026/0280496 A1Realtek Semiconductor Corp.
- Methods, systems, and apparatus for coupling power amplifier input signals17 Sep 2026US 2026/0280507 A1Texas Instruments Incorporated
- Bias voltage generation circuit and electronic circuit27 Aug 2026US 2026/0252135 A1Nisshinbo Micro Devices Inc.
- Grounded positive and negative capacitance multiplier27 Aug 2026US 2026/0254415 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Operational amplifier apparatus211US 5,777,515 AMatsushita Electric Industrial Co., Ltd. · 1998
- Capacitor compensation in miller compensated circuits200US 6,788,146 B2Texas Instruments Incorporated · 2004
- RFIC with high power PA138US 7,853,234 B2Broadcom Corporation · 2010
- Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy131US 7,605,650 B2Micron Technology, Inc. · 2009
- Narrowband LC folded cascode structure126US 6,094,084 ANortel Networks Limited · 2000