H03B 5/1209
The amplifier having two current paths operating in a differential manner and
Official title: {the amplifier having two current paths operating in a differential manner and a current source or degeneration circuit in common to both paths, e.g. a long-tailed pair. (H03B5/1215 takes precedence)}
H03B5/1209 (The amplifier having two current paths operating in a differential manner and) appears on 124 US grants and 73 published applications in this corpus.
Search patents in H03B- Granted patents
- 124
- Published applications
- 73
- Assignees
- 77
- Inventors
- 232
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 7 |
| 2004 | 3 | 9 |
| 2005 | 10 | 6 |
| 2006 | 3 | 11 |
| 2007 | 8 | 2 |
| 2008 | 6 | 6 |
| 2009 | 0 | 1 |
| 2010 | 7 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 0 |
| 2019 | 3 | 2 |
| 2020 | 5 | 3 |
| 2021 | 5 | 0 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated oscillator of low noise28 Jul 2026US 12,695,421 B1Realtek Semiconductor Corp.
- Feedforward cancellation circuit1 Jul 2025US 12,348,188 B2Apple Inc.
- Soft handover in a coupled dual-oscillator system10 Sep 2024US 12,088,289 B2Texas Instruments Incorporated
- LO leakage suppression in frequency conversion circuits12 Dec 2023US 11,843,361 B2International Business Machines Corporation
- Powering clock tree circuitry using internal voltages25 Jul 2023US 11,709,523 B2
- Balance Restoring Phase Noise Filter for Complementary Oscillator Circuitry19 Feb 2026US 2026/0051847 A1Apple Inc.
- Voltage-controlled oscillator (lc vco) and method of operation thereof30 Oct 2025US 2025/0337359 A1Indian Institute of Technology Ropar
- Frequency-based compensation for power controllers and converters20 Feb 2025US 2025/0062722 A1
- Feedforward cancellation circuit30 Jan 2025US 2025/0038706 A1Apple Inc.
- Soft handover in a coupled dual-oscillator system22 Dec 2022US 2022/0407516 A1Texas Instruments Incorporated
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
- Voltage controlled oscillator band switching technique107US 5,739,730 AMicrotune, Inc. · 1998
- System and method for narrow band PLL tuning91US 6,426,680 B1Broadcom Corporation · 2002
- Integrated VCO having an improved tuning range over process and temperature variations59US 6,803,829 B2Broadcom Corporation · 2004