222531 ⎘
Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
Sub-classes:MICRO-POWER CONTINUOUS-TIME DELTA-SIGMA ANALOG-TO-DIGITAL CONVERTER FOR AUDIO APPLICATIONS
#2DIGITAL TEMPERATURE SENSOR, CORRESPONDING DEVICE AND METHOD
#3COMPENSATION DEVICE AND METHOD FOR EXCESS LOOP DELAY USING TIME DIVISION SWITCHING TECHNIQUE
#4ANALOG-TO-DIGITAL CONVERTER CIRCUIT, DIGITAL FILTER CIRCUIT, AND CONTROL METHOD THEREOF
#5DELTA SIGMA MODULATION CIRCUIT, DIGITAL TRANSMISSION CIRCUIT, AND DIGITAL TRANSMITTER
#6AUDIO AMPLIFICATION METHOD AND DEVICE
#7CALL CONTENT MANAGEMENT FOR MOBILE DEVICES
#8CALL CONTENT MANAGEMENT FOR MOBILE DEVICES
#9DELTA-SIGMA MODULATOR WITH ANTI-WINDUP CIRCUIT
#10AUDIO D/A CONVERTER
#11Excess loop delay compensation for a delta-sigma modulator
#12Call content management for mobile devices
#13Pulse width modulation generated by a sigma delta loop
#14Self-calibration circuit for delta-sigma modulators, corresponding device and method
#15Analog-to-digital converter, phase sampler, time-to-digital converter, and flip-flop
#16Pulse width modulation generated by a sigma delta loop
#17SYSTEM AND METHOD TO COMPENSATE FOR FEEDBACK DELAYS IN DIGITAL CLASS-D MODULATORS
#18Integrated circuit, electronic device including the same, and operating method thereof
#19Apparatus for mitigating wandering spurs in a fractional-N frequency synthesizer
#20Second-order ΔΣ modulator, radio, and signal processing method performed by second-order ΔΣ modulator
#21Call content management for mobile devices
#22Ring oscillator-based analog-to-digital converter
#23Sigma-delta analog-to-digital converter circuit with correction for mismatch error introduced by the feedback digital-to-analog converter
#24Sigma-delta analog-to-digital converter capable of reducing idle tones while alternately conducting signal conversion and comparator offset calibration
#25Delta-sigma modulator and associated signal processing method
#26Methods and circuits for suppressing quantization noise in digital-to-analog converters
#27Continuous-time delta-sigma modulator
#28Apparatuses and methods for sample rate conversion
#29Analog-to-digital converter capable of generate digital output signal having different bits
#30Interleaving quantizer in continuous-time delta-sigma modulator for quantization level increment
#31A/D converter and sensor apparatus including the same
#32Delta modulator with variable feedback gain, analog-to-digital converter including the delta modulator, and communication device including the delta modulator
#33Delta modulator with variable feedback gain, analog-to-digital converter including the delta modulator, and communication device including the delta modulator
#34Delta-sigma modulator
#35Feed-forward operational amplifier noise cancellation technique and associated filter and delta-sigma modulator
#36Techniques for improving mismatch shaping of dynamic element matching circuit within delta-sigma modulator
#37High-linearity sigma-delta converter
#38Digital controller for a MEMS gyroscope
#39Analog to digital converter including differential VCO
#40Dither injection for continuous-time MASH ADCS
#41Delta-sigma modulator and method for signal conversion
#42Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal
#43Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods
#44Multi-mode sampling/quantization converters
#45Noise-shaping circuit, digital-to-time converter, analog-to-digital converter, digital-to-analog converter frequency synthesizer, transmitter, receiver, transceiver, method for shaping noise in an input signal
#46Dither-less error feedback fractional-n frequency synthesizer systems and methods
#47Delta-sigma modulator with reduced integrator requirements
#48Sampling/quantization converters
#49Asynchronous sample rate converter
#50Sampling/quantization converters
#51Analog-to-digital converter
#52Dither-less error feedback fractional-N frequency synthesizer systems and methods
#53Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods
#54Continuous-time mash sigma-delta analogue to digital conversion
#55Low-power sigma-delta converter
#56Sampling/quantization converters
#57Low-power sigma-delta converter
#58Sampling/quantization converters
#59Signal processing apparatus with sigma-delta modulating block collaborating with notch filtering block and related signal processing method thereof
#60Sigma-delta modulator
#61Multimode sampling/quantization converters
#62Sampling/quantization converters
#63Image sensing system
#64Sampling/quantization converters
#65Image sensing system
#66Low cost analog to digital converter and a method for converting an analog signal to a digital signal
#67Quantization method and apparatus
#68Methods and systems for implementing a Digital-to-Analog Converter
#69Dynamic comparator system
#70System for analog-to-digital conversion
#71Error feedback structure for delta-sigma modulators with improved stability
#72Analog-to-digital conversion system with second order noise shaping and a single amplifier
#73Tracking analog-to-digital converter with adaptive slew rate boosting
#74Amplifiers
#75Increased noise performance using quantizer code suppression
#76Signal processor
#77Modified pi-sigma-delta-modulator based digital signal processing system for wide-band applications
#78Loop filter initialization technique
#79Programmable digital sigma delta modulator
#80Arbitrary noise shaping transmitter with receive band notches
#81Delta-sigma modulator with delta-sigma truncator and associated method for reducing leakage errors of delta-sigma modulator
#82Digital-to-analog converter and method of operating
#83Systems and methods for fast delta sigma modulation using parallel path feedback loops
#84Sigma-delta analog-to-digital converter with auto tunable loop filter
#85Continuous-time cascaded sigma-delta analog-to-digital converter
#86Delta-sigma modulator having multiple dynamic element matching shufflers
#87Delta-sigma analog-digital converter and method