ClassID:

222510

H03M3/394 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators; Arrangements for selecting among plural operation modes, e.g. for multi-standard operation among different orders of the loop filter

Recent Application in this class:
#1
20250158635
2025-05-15

SIGMA DELTA MODULATION DEVICE CAPABLE OF SWITCHING ORDER OF LOOP FILTER, AND LOOP FILTER FOR SIGMA DELTA MODULATION DEVICE

#2
20250030429
2025-01-23

ANALOG-TO-DIGITAL CONVERTER WITH INSTABILITY RECOVERY CIRCUIT

#3
20190089368
2019-03-21

Apparatus for reducing wandering spurs in a fractional-N frequency synthesizer

#4
20190082258
2019-03-14

Electronic circuit for a microphone and microphone

#5
20160141327
2016-05-19

CMOS image sensor with sigma-delta type analog-to-digital conversion

#6
20160056837
2016-02-25

System, circuit and method for converting a differential voltage signal including a high common mode voltage component to a ground referenced signal for battery voltage managment

#7
20150311914
2015-10-29

Reconfigurable analog-to-digital converter, image sensor and mobile device including the same

#8
20140368368
2014-12-18

Continuous-time mash sigma-delta analogue to digital conversion

#9
20140321515
2014-10-30

Phase interpolator

#10
20140133600
2014-05-15

Analog/digital modulation apparatus and method for controlling the same

#11
20130117790
2013-05-09

Multi-mode analog-to-digital converter

#12
20110148679
2011-06-23

Reconfigurable bandpass delta-sigma modulator

#13
20080297388
2008-12-04

Programmable sigma-delta analog-to-digital converter

#14
20080297385
2008-12-04

Sigma-delta analog-digital converter for an xDSL multistandard input stage

#15
20080218392
2008-09-11

Signal receiver and mobile communication device for isolating a desired signal that is susceptible to variations in signal power

#16
20080198050
2008-08-21

Delta-sigma modulator and DA converter apparatus including delta-sigma modulator changing order of filter

#17
20080117087
2008-05-22

Signal processor with a signal strength detection circuit that is coupled to a loop of an analog to digital converter

#18
20060164274
2006-07-27

Cascade-type variable-order delta-sigma modulator

#19
20060049970
2006-03-09

Sigma-delta modulation

#20
20050163232
2005-07-28

Variable coder apparatus for resonant power conversion and method