Nothing Special   »   [go: up one dir, main page]

Enz et al., 2000 - Google Patents

A CMOS delta-sigma true RMS converter

Enz et al., 2000

View PDF
Document ID
59531776540811916
Author
Enz C
Cheng Y
Publication year
Publication venue
IEEE Journal of Solid-State Circuits

External Links

Snippet

Conventionally, monolithic electronics true rms converters are constructed by bipolar circuitry. This paper describes a new architecture based on delta-sigma (/spl Delta//spl Sigma/) modulation to realize a low-cost rms converter in CMOS technologies, especially …
Continue reading at ir.lib.nycu.edu.tw (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0626—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by filtering
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/462—Details relating to the decimation process
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/494—Sampling or signal conditioning arrangements specially adapted for delta-sigma type analogue/digital conversion systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters

Similar Documents

Publication Publication Date Title
US9727118B2 (en) Measuring circuit and measuring method for a capacitive touch-sensitive panel
Brandt et al. Second-order sigma-delta modulation for digital-audio signal acquisition
US8633843B2 (en) System and method for chopping oversampled data converters
Ribner et al. A third-order multistage sigma-delta modulator with reduced sensitivity to nonidealities
Enz et al. A CMOS delta-sigma true RMS converter
US6111529A (en) Accurate gain calibration of analog to digital converters
US9787320B1 (en) Methods and apparatus for an analog-to-digital converter
US6781361B2 (en) Apparatus and system for electrical power metering using digital integration
Markus et al. Incremental delta-sigma structures for DC measurement: An overview
Singh et al. A 20bit continuous-time ΣΔ modulator with a Gm-C integrator, 120dB CMRR and 15 ppm INL
Kerth et al. An oversampling converter for strain gauge transducers
CN115276661A (en) Ultrahigh resolution analog-to-digital converter
Sen et al. Linearized sigma–delta-based direct digital converter for GMR sensors
Xie Practical filter design challenges and considerations for precision ADCs
Schoeneberg et al. A CMOS readout amplifier for instrumentation applications
Morais et al. A wireless RF CMOS mixed-signal interface for soil moisture measurements
US12085423B2 (en) Sensor interface circuit, sensor system, and method of signal measurement
Tan et al. The design of ΔΣ-ADC in MEMS gyro interface ASIC
US8395418B2 (en) Voltage sensing circuit with reduced susceptibility to gain drift
EP2783368B1 (en) Voltage sensing circuit with reduced susceptibility to gain drift
Choi et al. A bufferless interface for single-ended ECM sensors
CN218041371U (en) Ultrahigh resolution analog-to-digital converter
CN110967565A (en) Noise detection circuit and method of capacitive screen and mobile terminal
van der Zwan et al. A 13 mW 500 kHz data acquisition IC with 4.5 digit DC and 0.02% accurate true-RMS extraction
Kawahito et al. Delta-sigma modulation sensor interface circuits with improved conversion gain for capacitive readout chemical sensors