H03F 2203/45024
The differential amplifier amplifying transistors are cascode coupled transistors
Official title: the differential amplifier amplifying transistors are cascode coupled transistors
H03F2203/45024 (The differential amplifier amplifying transistors are cascode coupled transistors) appears on 92 US grants and 72 published applications in this corpus.
Search patents in H03F- Granted patents
- 92
- Published applications
- 72
- Assignees
- 64
- Inventors
- 167
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 5 |
| 2009 | 2 | 1 |
| 2010 | 3 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 3 |
| 2013 | 5 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 7 | 3 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 5 | 5 |
| 2020 | 4 | 7 |
| 2021 | 5 | 2 |
| 2022 | 3 | 5 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analog front end of receiver for high baud-rate communications29 Sep 2026US 12,750,015 B1Marvell Asia Pte Ltd
- Apparatus and methods for radio frequency amplifiers14 Apr 2026US 12,603,622 B2Analog Devices International Unlimited Company
- RF amplifier of accurate bias and healthy headroom and method thereof20 Jan 2026US 12,531,532 B2Realtek Semiconductor Corp.
- Current conditioning apparatus with NFET current mirror18 Nov 2025US 12,476,600 B2Skyworks Solutions, Inc.
- Amplifier circuit with an envelope enhancement27 May 2025US 12,316,279 B2Intel Corporation
- Low-noise amplifier30 Jul 2026US 2026/0221945 A1
- Amplifier circuit25 Jun 2026US 2026/0180530 A1Realtek Semiconductor Corp.
- Variable gain amplification and phase shifting device and method11 Jun 2026US 2026/0163542 A1
- Differential amplification system4 Jun 2026US 2026/0155796 A1Renesas Electronics America Inc.
- Operational amplifier with built-in capacitor multiplier16 Apr 2026US 2026/0106582 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Coupling circuit35US 5,770,972 AZero Impedance Systems, Inc. · 1998
- Amplifiers and related biasing methods and devices31US 8,350,624 B2Peregrine Semiconductor Corporation · 2013
- Amplifiers and related biasing methods and devices30US 9,509,263 B2Peregrine Semiconductor Corporation · 2016
- Overdrive thermal distortion compensation for a Quinn cascomp amplifier25US 4,528,517 ATektronix, Inc. · 1985
- Radio frequency low noise amplifier with automatic gain control18US 7,081,796 B2Silicon Laboratories Inc. · 2006