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Matches 1 - 50 out of 5,260

Document Document Title
WO/2018/220353A1
This application relates to audio circuits, such as audio driving circuits, with improved audio performance. An audio arrangement (200) has an audio circuit (201) with a forward signal path between an input (102) for an input digital aud...  
WO/2018/215141A1
Amulti-level capacitive digital-to-analog converter, comprises at least one capacitor switch circuit (100) including a differential operational amplifier (130) having a first input node (E130a) and a second input node (E130b). A first cu...  
WO/2018/215266A1
An integrator circuit (10) for usein a sigma-delta modulator (1)comprises a differential operational amplifier (130) with a first input node (E130a) and a second input node (E130b). The first input node (E130a) of the differential operat...  
WO/2018/217786A1
Methods and systems are described for obtaining, at an input stage of a sampler, a continuous-time analog differential voltage, and responsively generating an integrated analog differential voltage by discharging a pair of pre-charged ou...  
WO/2018/207150A1
Various examples are directed to isolated analog-to-digital converter (ADC) circuits comprising a first side that is separated from a second side by an isolator. A first ADC positioned on the first side may be configured to convert a fir...  
WO/2018/206438A1
An analog-to-digital converter (10) comprises a first and a second sampling capacitor (24, 25), a first integrator (26), a first and a second input switch (31, 32) coupling a first input terminal (11) and a common mode terminal (39) to a...  
WO/2018/199526A1
An analog/digital conversion device according to the present technology comprises: an analog/digital converter; a digital/analog converter for converting an output of the analog/digital converter into an analog signal; a first calculatio...  
WO/2018/199525A1
An analog/digital converter according to the present technology comprises: a first comparator for comparing an input voltage and a reference voltage; a second comparator for comparing a voltage of a first node and a common voltage; a cap...  
WO/2018/195337A1
A multibit flash quantizer circuit, such as included as a portion of delta-sigma conversion circuit, can be operated in a dynamic or configurable manner. Information indicative of at least one of an ADC input slew rate or a prior quantiz...  
WO/2018/194231A1
The present invention relates to a differential mode converting device and a measuring device using the same, and can comprise: a target resistor for measuring a resistance value; an input mode converting unit, which receives, in a singl...  
WO/2018/182660A1
A mapping circuit (300) for selecting cells of a multi core hybrid I/Q digital to analog converter includes a first sub-mapping circuit (310a) configured to define a first group of cores for each data symbol to be transmitted and to sele...  
WO/2018/172326A1
An analog-to-digital converter comprises a first integrator (40), a first converter input (19), a first reference voltage input (34),a capacitor array (68) comprising capacitor elements (171), and a rotation frequency control unit (37) p...  
WO/2018/163679A1
This analog-digital converter is provided with a loop filter, a quantization circuit unit for converting the output of the loop filter into a digital value, and a current steering digital-analog conversion unit provided in a loop for fee...  
WO/2018/159948A1
An analog to digital converter according to the present technology comprises: a modulator which over-samples and outputs an input signal; and a filter which conducts, on the output of the modulator, a decimation operation together with a...  
WO/2018/159131A1
An analog-digital converter according to the present disclosure is provided with: a ΔΣ modulator having a quantization circuit unit; a splitter for splitting a digital output from the quantization circuit unit into an even-numbered dig...  
WO/2018/156015A1
The present invention relates to an analog-to-digital converter and electronic device comprising the same. According to the invention, the ADC comprises a comparator comprising a first input for receiving an input signal and a second inp...  
WO/2018/156259A1
Certain aspects of the present disclosure provide methods and apparatus for implementing sampling rate scaling of an excess loop delay (ELD)-compensated continuous-time delta-sigma modulator (CTDSM) analog-to-digital converter (ADC). One...  
WO/2018/149728A1
The invention relates to a signal transmission device for pulse-density-modulated signals comprising a signal input (1) for an input signal (UE) having a defined signal maximum value (UEmax'), an input-side modulation stage (3) for produ...  
WO/2018/150920A1
A ΔΣ modulator provided with: an integrator (10, 11) including an operational amplifier (OP, OP1) and an integral capacitance (Cf, Cf1); a quantizer (20) which outputs a quantization result (Qout) obtained by quantizing an output signa...  
WO/2018/151886A1
A system and method for pulse-width modulation (PWM) mismatch shaping. The method includes receiving a multi-bit pulse-code modulated (PCM) signal and generating a voltage ramp signal. The method includes generating a first corrected sig...  
WO/2018/142770A1
[Problem] To provide a signal processing device capable of suppressing external noise without degrading audio characteristics. [Solution] Provided is a signal processing device comprising: an A/D converter that includes a first delta sig...  
WO/2018/139807A1
Disclosed are an apparatus and a method for converting an output current of a current buffer into a digital code. According to one embodiment of the present invention, an apparatus for converting an output current of a current buffer int...  
WO/2018/135125A1
The present invention is provided with an integration circuit unit that integrates the difference between the value of an analog input signal and a feedback value, a quantization circuit unit that converts the output of the integration c...  
WO/2018/131725A4
A digital-to-analog conversion device which performs integration processing for integrating a difference between an input signal and a first return signal generated based on the input signal, and outputting an integration result, first q...  
WO/2018/131725A1
A digital-to-analog conversion device which performs integration processing for integrating a difference between an input signal and a first return signal generated based on the input signal, and outputting an integration result, first q...  
WO/2018/123145A1
A ΔΣ modulator that comprises: a loop filter to which a baseband signal is applied; a first frequency converter that performs a frequency conversion on output from the loop filter; a first quantizer that quantizes output from the first...  
WO/2018/123250A1
This ΔΣ modulator comprises: a first adder that adds a plurality of input signals that have different frequencies; a loop filter to which output from the first adder is applied; and a quantizer that quantizes output from the loop filte...  
WO/2018/115066A1
A digital encoder (10) for generating, from a digital input signal (15) of N bits, with a carrier frequency f 0, an encoded digital signal (20) quantified on M < N bits, comprising a delta differentiator (25) for determining a differenti...  
WO/2018/108260A1
A hearing assistive device including an audio processing circuit comprising an analog-to- digital converter having an integrator integrating a voltage present in the summation point; a comparator comparing an output from the integrator w...  
WO/2018/109992A1
The present invention effectively suppresses idle tones in a delta-sigma modulator that generates a feedback signal using a digital-to-analog converter. A filter integrates a difference between an input analog signal and a feedback signa...  
WO/2018/103866A1
The disclosure relates to a digital-to-analog converter, DAC (100) for converting a digital input signal (x[n], 110) to an analog output signal (y), the DAC (100) comprising: an encoder (102), configured to generate a pair of ternary sig...  
WO/2018/102807A1
In described examples, a voltage-controlled oscillator-based delta-sigma analog-to-digital converter (VCO-based ΔΣ ADC) (1) includes a VCO-based quantizer (3) that includes delay elements to provide VCO outputs (5) based on an analog i...  
WO/2018/098234A1
Described are a system and technique to mitigate the impacts of clutter in a radar system. The system and technique require only linear co-polarized measurements can be incorporated into the standard radar signal processing chain without...  
WO/2018/094380A1
A parallel delta sigma modulator architecture is disclosed. The parallel delta sigma modulator architecture includes a signal demultiplexer configured to receive an input signal and to demultiplex the input signal to output a plurality o...  
WO/2018/077391A1
A receiver (100) is described, the receiver comprising an analog baseband, ABB, filter stage (101), an analog-to-digital converter, ADC, stage (103), a first feedback path (123), and a second feedback path (125). The ABB filter stage (10...  
WO/2018/063568A1
Examples provide a delta sigma analog-to-digital converter, a radio front-end, a radio receiver, a mobile terminal and a base station. The delta sigma analog-to-digital converter (100) is suitable for a differential radio frequency curre...  
WO/2018/052955A1
An apparatus comprises a digital to analog converter (DAC) circuit configured to receive a time-varying a digital input signal and convert the digital input signal to an analog output signal, an output amplifier circuit operatively coupl...  
WO/2018/033624A1
The invention relates to a method for generating a digital signal (D(i)) from an analog signal (UM), having the following steps: - generating a pulse width-modulated actuation signal (UA) using a frequency converter (1), said pulse width...  
WO/2018/026461A1
An integrated circuit includes a control circuit, a first-in first-out circuit, and a serializer circuit. The control circuit generates parallel pulse-width modulation data in first parallel pulse-width modulation signals. The first-in f...  
WO/2018/024316A1
A device, system and method for improvement of analog/digital conversion. An improved delta sigma - converter including a phase or frequency modulation and demodulation, is used. The improved delta sigma - converter obtains higher gains ...  
WO/2018/010572A1
An apparatus, system, and method are provided for affording digital to analog converter (DAC) quantization noise that is independent of an input signal. In operation, an input signal for a DAC is received. Further, a particular signal is...  
WO/2018/009054A1
The present invention is related to an auxiliary device that is configured for exchanging data with a main device, preferably a mobile device such as a telephone, laptop, or tablet computer, using the audio jack of the main device. The p...  
WO/2018/009306A1
A microphone assembly includes a transducer element and a processing circuit. The processing circuit includes an analog-to-digital converter (ADC) configured to receive, sample and quantize a microphone signal generated by the transducer...  
WO/2018/004617A1
In accordance with embodiments of the present disclosure, a method of neutralizing voltage kickback associated with a reference buffer of a switched capacitor based data converter having a first switched capacitor coupled to an output no...  
WO/2018/004826A1
A processing system, and associated input device and method are disclosed suitable for reducing a receiver size within the input device. The processing system comprises a delta-sigma modulator comprising one or more input nodes configure...  
WO/2017/220720A1
A Sigma-Delta (ΣΔ) modulator for converting an analog input signal having a frequency bandwidth around a variable center frequency f 0 to a digital output signal at a sampling frequency f s . The ΣΔ modulator comprises a quantizer (4...  
WO/2017/211615A1
Examples relate to a concept generating at least one RF signal based on at least one digital baseband signal at a first clock rate. At least one digital pulse sequence at a second clock rate corresponding to a center frequency of the RF ...  
WO/2017/208635A1
Provided is an A/D converter that comprises: integration circuits (10, 12, 14) for executing ΔΣ modulation for which an analog signal (Vin) to be converted is used as an input signal; adders (30, 32) for outputting an addition result o...  
WO/2017/209690A1
Various embodiments may provide a delta sigma modulator for generating a digital output voltage. The delta sigma modulator may include a capacitance-to-voltage converter for converting a sensed continuous-in-time applied capacitance sign...  
WO/2017/203976A1
The present disclosure pertains to a compression encoding device and method, a decoding device and method, and a program, which enable provision of lossless compression technique at a higher compression rate. According to the present inv...  

Matches 1 - 50 out of 5,260