H03M 7/3031
Characterised by the order of the loop filter
Official title: {characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path}
H03M7/3031 (Characterised by the order of the loop filter) appears on 288 US grants and 173 published applications in this corpus.
Search patents in H03M- Granted patents
- 288
- Published applications
- 173
- Assignees
- 156
- Inventors
- 441
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 5 | 6 |
| 2003 | 8 | 5 |
| 2004 | 15 | 26 |
| 2005 | 20 | 23 |
| 2006 | 23 | 16 |
| 2007 | 25 | 15 |
| 2008 | 22 | 9 |
| 2009 | 11 | 8 |
| 2010 | 13 | 10 |
| 2011 | 11 | 7 |
| 2012 | 3 | 4 |
| 2013 | 7 | 6 |
| 2014 | 7 | 2 |
| 2015 | 6 | 4 |
| 2016 | 4 | 4 |
| 2017 | 7 | 5 |
| 2018 | 6 | 2 |
| 2019 | 7 | 7 |
| 2020 | 9 | 2 |
| 2021 | 3 | 1 |
| 2022 | 4 | 4 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Digital-to-time converter mismatch compensation17 Mar 2026US 12,580,582 B2Texas Instruments Incorporated
- Delta-sigma modulator with anti-windup circuit9 Dec 2025US 12,494,798 B2Politecnico Di Torino
- System and method to enhance noise performance in a delta sigma converter23 May 2023US 11,658,678 B2Analog Devices, Inc.
- System and method to enhance noise performance in a delta sigma converter22 Nov 2022US 11,509,327 B2Analog Devices, Inc.
- Digital pulse-width modulation (PWM) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (THDN)15 Nov 2022US 11,502,671 B2Cirrus Logic, Inc.
- Digital-to-time converter mismatch compensation16 Jul 2026US 2026/0205137 A1Texas Instruments Incorporated
- Coefficient feathering using delta sigma modulation2 Apr 2026US 2026/0095195 A1Skyworks Solutions, Inc.
- Noise transfer function synthesis for higher-order modulators5 Mar 2026US 2026/0066921 A1NXP B. V.
- Delta-sigma modulator with anti-windup circuit3 Oct 2024US 2024/0333302 A1Politecnico Di Torino
- Digital-to-time converter mismatch compensation29 Feb 2024US 2024/0072821 A1Texas Instruments Incorporated
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Low-delay signal processing based on highly oversampled digital processing100US 7,365,669 B1Cirrus Logic, Inc. · 2008
- Delta sigma pwm dac to reduce switching74US 5,815,102 AAudioLogic, Inc. · 1998
- Sigma delta modulator66US 5,311,181 AAnalog Devices, Inc. · 1994
- Variable-order delta sigma modulator and DA converter62US 7,129,873 B2Rohm Co., Ltd. · 2006