222476 ⎘
Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
Sub-classes:LOW-LATENCY DELTA-SIGMA MODULATOR
#2SIGMA DELTA MODULATION DEVICE CAPABLE OF SWITCHING ORDER OF LOOP FILTER, AND LOOP FILTER FOR SIGMA DELTA MODULATION DEVICE
#3Low-Latency, Average Input Current Cancellation For Differential Input, Voltage-Sensing, Switched-Capacitor, Sigma-Delta Modulators
#4DIGITAL-TO-ANALOG CONVERTER CIRCUITRY
#5Error cancellation delta-sigma DAC with an inverting amplifier-based filter
#6Analog-to-digital converting device and control system
#7Optimizable analog-to-digital converter for unipolar or bipolar pulse signals based on multi-bit sigma-delta modulation
#8High-speed digital-to-analog converter
#9Signal transmission device for pulse density modulated signals
#10Sensor circuit, corresponding system and method
#11Apparatus for reducing wandering spurs in a fractional-N frequency synthesizer
#12Modified delta-sigma modulator for phase coherent frequency synthesis applications
#13Modulation circuit and modulation method with digital ELD compensation
#14Sigma-delta modulator and analog-to-digital converter
#15Signal modulation circuit
#16Image sensors and image processing systems
#17Control apparatus for a load supply device
#18Methods and systems for reducing a sign-bit pulse at a voltage output of a sigma-delta digital-to-analog converter
#19Delta sigma modulator and delta sigma A/D converter
#20Continuous time ΔΣ modulator system with automatic timing adjustment
#21Column-parallel sigma-delta analog-to-digital conversion for imagers
#22Self-tuning output digital filter for direct conversion delta-sigma transmitter
#23PWM driver and class D amplifier using same
#24High-resolution sigma-delta converter
#25Beamformed ultrasonic imager with delta-sigma feedback control
#26Plural channel analog-to-digital converter, method and meter employing an input channel with a predetermined direct current bias
#27Sigma-delta modulator having a clocked delay line
#28Parameterizable bandpass delta-sigma modulator