ClassID:

222492

H03M3/358 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Continuously compensating for, or preventing, undesired influence of physical parameters of non-linear distortion, e.g. instability

Sub-classes:
Recent Application in this class:
#1
20250323661
2025-10-16

REDUCING NON-LINEARITY IN A DIGITAL-TO-TIME CONVERTER (DTC) DUE TO UNEQUAL SUCCESSIVE INPUT CODES SPECIFYING RESPECTIVE DELAYS

#2
20250300671
2025-09-25

SYSTEM AND METHOD OF DIGITAL TO ANALOG CONVERSION WITH IMPROVED LINEARITY AND ACCURACY

#3
20250226837
2025-07-10

METHOD AND APPARATUS FOR STOCHASTIC ANALOG TO DIGITAL CONVERSION

#4
20230198544
2023-06-22

Delta-sigmal modulator-based multi-rate digital-to-analog converter with digital pre-distortion

#5
20220094369
2022-03-24

Digital pre-distortion compensation of digital-to-analog converter non-linearity

#6
20220057207
2022-02-24

Minimizing a delay of a capacitance-to-voltage converter of a gyroscope by including such converter within a bandpass sigma-delta analog-to-digital converter of the gyroscope

#7
20220052706
2022-02-17

Sigma-delta modulation device and sigma-delta modulation method

#8
20210026309
2021-01-28

Mixed-domain circuit with differential domain-converters

#9
20200343904
2020-10-29

Power reduction and performance enhancement techniques for delta sigma modulator

#10
20200328759
2020-10-15

DA conversion device

#11
20200280320
2020-09-03

Background calibration of non-linearity of samplers and amplifiers in ADCs

#12
20200212918
2020-07-02

Adaptive non-linearity identification and compensation using orthogonal functions in a mixed signal circuit

#13
20200186156
2020-06-11

Adaptive non-linearity identification and compensation using orthogonal functions in a mixed signal circuit

#14
20190245550
2019-08-08

Background calibration of non-linearity of samplers and amplifiers in ADCs

#15
20190238152
2019-08-01

Apparatuses and methods for sample rate conversion

#16
20190158110
2019-05-23

Analog to digital conversion using differential dither

#17
20190094340
2019-03-28

High speed illumination driver for TOF applications

#18
20180034471
2018-02-01

High-linearity sigma-delta converter

#19
20170222657
2017-08-03

Hybrid digital/analog noise shaping in the sigma-delta conversion

#20
20170170841
2017-06-15

Signal transfer function equalization in multi-stage delta-sigma analog-to-digital converters

#21
20170077944
2017-03-16

Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal

#22
20170063391
2017-03-02

Method of manufacturing distortion compensation apparatus

#23
20160365867
2016-12-15

Apparatus for correcting linearity of a digital-to-analog converter

#24
20160341819
2016-11-24

High speed illumination driver for TOF applications

#25
20160112053
2016-04-21

Fractional-N phase-locked loop

#26
20160072520
2016-03-10

Sampling/quantization converters

#27
20160020781
2016-01-21

Interleaved Δ-Σ modulator

#28
20150207519
2015-07-23

Signal modulation circuit

#29
20150145571
2015-05-28

Cancellation of delta-sigma quantization noise within a fractional-N PLL with a nonlinear time-to-digital converter

#30
20150145567
2015-05-28

Cancellation of spurious tones within a phase-locked loop with a time-to-digital converter

#31
20140055676
2014-02-27

Delta-sigma A/D converter, limiter circuit and television receiver

#32
20130234872
2013-09-12

Delta-sigma D/A converter

#33
20130207821
2013-08-15

Method and apparatus for separating the reference current from the input signal in sigma-delta converter

#34
20110140942
2011-06-16

Conversion of a discrete time quantized signal into a continuous time, continuously variable signal

#35
20090326692
2009-12-31

Digital-to-analog converter for reducing pop noise and harmonic tone and related converting method

#36
20090066552
2009-03-12

Digital to analog converter circuits and methods of operation thereof

#37
20080316073
2008-12-25

Digital-to-analog converter and distortion correction circuit

#38
20080278360
2008-11-13

Performance of A/D converter and receiver

#39
20080180293
2008-07-31

Pulse width modulation method and digital analogue converter using the same

#40
20070291833
2007-12-20

Method of and apparatus to generate pulse width modulated signal from sampled digital signal by chaotic modulation

#41
20060279355
2006-12-14

Digital-to-analog converter

#42
20060087463
2006-04-27

Error feedback structure for delta-sigma modulators with improved stability

#43
20050078023
2005-04-14

Analog signal outputting circuit and multi-level delta-sigma modulator employing the analog signal outputting circuit

#44
20050046601
2005-03-03

PCM-to-PWM converter

#45
20050001749
2005-01-06

Sigma-delta modulation

#46
17061939
2022-01-11

Inter-channel crosstalk and non-linearity reduction in double-sampled switched-capacitor delta-sigma data converters

#47
16213598
2020-03-17

Adaptive non-linearity identification and compensation using orthogonal functions in a mixed signal circuit

#48
16203738
2019-09-24

Extremely-fine resolution sub-ranging current mode Digital-Analog-Converter using Sigma-Delta modulators

#49
15096910
2016-09-13

Signal modulation circuit

#50
14997504
2016-11-29

Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal

#51
14946684
2016-08-23

High order correction for pulse width modulation (PWM) digital/analog converters with reduced computation