H03F 3/45094
Folded cascode stages
Official title: {Folded cascode stages}
H03F3/45094 (Folded cascode stages) appears on 107 US grants and 71 published applications in this corpus.
Search patents in H03F- Granted patents
- 107
- Published applications
- 71
- Assignees
- 51
- Inventors
- 140
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 4 |
| 2003 | 2 | 4 |
| 2004 | 5 | 4 |
| 2005 | 4 | 3 |
| 2006 | 4 | 6 |
| 2007 | 3 | 5 |
| 2008 | 8 | 2 |
| 2009 | 5 | 2 |
| 2010 | 3 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 2 |
| 2019 | 5 | 7 |
| 2020 | 2 | 12 |
| 2021 | 10 | 3 |
| 2022 | 4 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Amplifiers suitable for mm-wave signal splitting and combining14 Jan 2025US 12,199,578 B2Ay Dee Kay LLC
- Control of input bias current modulation in amplifiers8 Aug 2023US 11,722,104 B2Texas Instruments Incorporated
- Amplifier with input bias current cancellation27 Dec 2022US 11,539,337 B2Texas Instruments Incorporated
- Integrated amplifier devices and methods of use thereof1 Nov 2022US 11,489,504 B2Intrinsix Corporation
- Compact offset drift trim implementation22 Feb 2022US 11,258,414 B2Texas Instruments Incorporated
- Signal generation circuit6 Aug 2026US 2026/0230042 A1The Ritsumeikan Trust
- Voltage comparison circuit, related integrated circuit and method18 Jun 2026US 2026/0171987 A1STMicroelectronics International N. V.
- Cascode Amplifier with Improved High Frequency Linearity23 Jan 2025US 2025/0030390 A1
- Dynamic control of front-end stage transconductance in bipolar amplifiers30 May 2024US 2024/0178800 A1
- Control of input bias current modulation in amplifiers2 Mar 2023US 2023/0060318 A1Texas Instruments Incorporated
Most cited
By later US patents
- Differential amplifier slew rate boosting scheme37US 6,741,129 B1Texas Instruments Incorporated · 2004
- Mirror and bias circuit for class AB output stage with large swing and output drive30US 5,442,320 ANational Semiconductor Corporation · 1995
- Single-ended input, differential output low noise amplifier27US 7,088,179 B2Analog Devices, Inc. · 2006
- Multiple-voltage supply power amplifier with dynamic headroom control25US 6,417,736 B1Lewyn Consulting, Inc. · 2002
- High frequency differential circuit, differential amplifier, differential mixer, differential oscillator, and radio circuit using same20US 7,109,793 B2Matsushita Electric Industrial Co., Ltd. · 2006