H03B 5/1215
The current source or degeneration circuit being in common to both transistors
Official title: {the current source or degeneration circuit being in common to both transistors of the pair, e.g. a cross-coupled long-tailed pair}
H03B5/1215 (The current source or degeneration circuit being in common to both transistors) appears on 760 US grants and 736 published applications in this corpus.
Search patents in H03B- Granted patents
- 760
- Published applications
- 736
- Assignees
- 298
- Inventors
- 1,272
- Latest grant
- 18 Aug 2026
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 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 13 |
| 2003 | 15 | 31 |
| 2004 | 25 | 38 |
| 2005 | 34 | 59 |
| 2006 | 44 | 41 |
| 2007 | 40 | 39 |
| 2008 | 38 | 55 |
| 2009 | 44 | 60 |
| 2010 | 33 | 37 |
| 2011 | 41 | 28 |
| 2012 | 41 | 28 |
| 2013 | 22 | 22 |
| 2014 | 19 | 28 |
| 2015 | 36 | 22 |
| 2016 | 52 | 37 |
| 2017 | 25 | 29 |
| 2018 | 20 | 27 |
| 2019 | 38 | 30 |
| 2020 | 41 | 31 |
| 2021 | 27 | 23 |
| 2022 | 23 | 12 |
| 2023 | 14 | 9 |
| 2024 | 8 | 6 |
| 2025 | 16 | 17 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Inductor-capacitor voltage-controlled oscillator with common-mode noise suppression16 Jun 2026US 12,658,851 B2Apple Inc.
- Voltage-controlled oscillator (VCO) having cascode transistors with improved signal quality and gain2 Jun 2026US 12,647,072 B2QUALCOMM Incorporated
- Isolated power supply chip based on symmetrical class-D oscillator with dead zone control12 May 2026US 12,627,259 B2University of Science and Technology of China
- Quadrature oscillator14 Apr 2026US 12,603,609 B2STMicroelectronics International N. V.
- Cartridge case annealer with data analysis20 Aug 2026US 2026/0242885 A1Knowledgeable Holdings LLC
- Methods, apparatus, and systems for a multi-band hybrid inductor-capacitor voltage-controlled oscillator30 Jul 2026US 2026/0221937 A1Texas Instruments Incorporated
- Implicit frequency multiplier2 Jul 2026US 2026/0189222 A1NXP USA, Inc.
- Calibration circuit25 Jun 2026US 2026/0180586 A1Sony Semiconductor Solutions Corporation
- Oscillation Circuit and Buffer Thereof21 May 2026US 2026/0142616 A1RichWave Technology Corp.
Most cited
By later US patents
- Dual-band coupled VCO148US 8,125,282 B2Telefonaktiebolaget LM Ericsson (publ) · 2012
- RF circuits including transistors having strained material layers131US 7,709,828 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2010
- Digitally tunable capacitor87US 7,825,715 B1Marvell International Ltd. · 2010
- Apparatus and method for phase lock loop gain control using unit current sources81US 6,583,675 B2Broadcom Corporation · 2003
- Low power cordless magnetic field digitizer with differential grid sensing and synchronous position demodulation69US 5,218,174 AKurta Corporation · 1993