|
Match
|
Document |
Document Title |
|
|
7616139 |
Analog-to-digital conversion (ADC) based on current flow between paired probes and electrodes
An analog-to-digital converter (ADC) is provided to determine a digital output value according to whether electric current flows between a plurality of probes, to which an input voltage is applied,...
|
|
|
7605740 |
Flash analog-to-digital converter
A flash analog-to-digital converter comprises a resistive string powered by a reference voltage source for providing a set of equidistant reference voltages and a set of comparators for comparing...
|
|
|
7605739 |
Differential flash ADC with dual resistance ladder legs receiving amplified inputs
A differential analog to digital converter (ADC) comprises a first resistance ladder leg including two resistances having first ends that communicate with a middle node. A second resistance ladder...
|
|
|
7605738 |
A-D converter and A-D convert method
There is provided an A/D converter that outputs a digital output signal obtained by digitalizing an analog input signal. The A/D converter includes a bit selecting section that selects a conversion...
|
|
|
7561093 |
Analog-to-digital (AD) converter using resonance frequency shifting and voltage detecting device thereof
An analog-to-digital (AD) converter and a voltage detecting device thereof are provided. The AD converter includes at least one voltage detecting device which outputs a signal of a frequency...
|
|
|
7554477 |
Amplifier array circuits and flash analog to digital converters
An amplifier array circuit is provided. An amplifier array includes a main amplifier array comprising a plurality of first amplifiers and a plurality of reference voltages, wherein the first...
|
|
|
7535390 |
Time-interleaved analog-to-digital converter and self-calibration method thereof
The present invention discloses a time-interleaved analog-to-digital converter (ADC), which includes a first and a second sub-ADC and a calibration module. The calibration module includes a switch...
|
|
|
7532147 |
Analog voltage latch
An analog voltage latch for use in a controller for controlling a motor equipped electric bicycle, includes a window comparator for comparing an analog voltage latch output and an analog input...
|
|
|
7528758 |
Flash-type analog to digital conversion circuit for comparing an analog input voltage with a plurality of reference voltages
A plurality of reference voltages are generated by a reference voltage generation circuit. A plurality of comparators is supplied respectively with an analog input voltage and any two reference...
|
|
|
7528757 |
Circuit and method for generating a set of intermediate voltages
A network for generating a set of intermediate voltages comprising two input ports for feeding two reference voltages. The intermediate voltages are generated by a number of self calibration units...
|
|
|
7515085 |
Electronic network circuit with dissymmetrical differential pairs
The invention relates to integrated circuits comprising a set of identical differential pairs of two transistors each (T 1 , T 2 ; T 3 , T 4 ) one receiving a variable voltage (Vinp, Vinn) at its...
|
|
|
7515083 |
Analog-to-digital converting system
A novel analog-to-digital converter (ADC) architecture using subranging successive approximation approach is disclosed. The ADC architecture is capable of achieving high sampling rate, low power...
|
|
|
7479914 |
A-D converter and A-D convert method
An A-D converter includes a plurality of comparators, each of which compares an analog input signal to analog threshold values; an upper field determination section which, during an upper...
|
|
|
7477178 |
Power-optimized analog-to-digital converter (ADC) input circuit
A power-optimized analog-to-digital converter (ADC) input circuit provides for optimized power consumption versus performance. The first amplifier stage of the ADC is provided by a plurality of...
|
|
|
7474246 |
AD converter device, physical quantity distribution detecting unit and imaging apparatus
An AD converter device is provided. In the AD converter device, a plurality of differential comparators operable to compare an analog signal with a slope like reference signal is arranged, and with...
|
|
|
7466258 |
Asynchronous analog-to-digital converter and method
A method and apparatus for converting an analog input signal to a digital output signal, provide for simultaneously comparing the input signal to a sequential multiplicity of reference values...
|
|
|
7446690 |
Apparatus and method for implementing an analog-to-digital converter in programmable logic devices
An apparatus and method for providing an analog-to-digital converter (ADC) in programmable logic devices is disclosed. A plurality of multi-purpose input/output (I/O) blocks is configured to...
|
|
|
7420499 |
Analog-to-digital converter and threshold-value correcting method
An analog-to-digital converter includes a track-and-hold circuit, a constant-voltage source, a threshold voltage selection circuit, a first comparator to a seventh comparator, an encoder, and a...
|
|
|
7420498 |
Signal converter performing a role
A system with signal converter devices, in particular, ADCs (analog-to-digital converters), a device for use in a signal converter system, and a method for operating a signal converter system is...
|
|
|
7405691 |
Analog-to-digital conversion circuit
Disclosed herein is an analog-to-digital conversion circuit configured to convert an input analog signal into a digital signal, said analog-to-digital conversion circuit includes: a first...
|
|
|
7405688 |
Analogue-to-digital converter and method for converting an analogue input signal into a digital information
An analogue-to-digital converter comprises a window comparator. The window comparator comprises an input for an analogue input signal and an output for a comparison result indicating a result of a...
|
|
|
7403150 |
Analog-to-digital converter architecture using a capacitor array structure
An analog-to-digital converter architecture is described. An analog-to-digital converter circuit includes a switched capacitor circuit structure to receive an input voltage signal and one or more...
|
|
|
7403149 |
Folding and interpolating analog-to-digital converter and method of converting analog signal to digital signal
A folding and interpolating analog,-to-digital converter (ADC) includes a preamp unit, a first folding stage, a second folding stage, a comparison unit and an encoder. The preamp unit receives an...
|
|
|
7394421 |
Fast analogue-to-digital converter
The invention relates to fast analogue-to-digital converters having differential inputs and a parallel structure, comprising at least one network of N series resistors with value r and one network...
|
|
|
7394420 |
High-speed analog/digital converter
An analog-to-digital converter comprising a positive input terminal, a negative input terminal, several difference detection means detecting a voltage difference between a positive input port and a...
|
|
|
7391352 |
Comparison circuit for analog/digital converter
The invention pertains to a comparison circuit for an analog/digital converter. In order to reduce the effect of the offset voltages of the various comparators of the comparison circuit, voltage...
|
|
|
7379010 |
Extension of accuracy of a flash ADC by 1-bit through interpolation of comparator outputs
ADC accuracy is increased by 1 bit by interpolation of comparator outputs in a comparator array, thereby increasing accuracy without significantly increasing power consumption and size....
|
|
|
7379007 |
A/D converter, A/D converter apparatus, and sampling clock skew control method
A parallel A/D converter includes a plurality of comparators for comparing an input signal in parallel, an input signal line for distributing the input signal to the plurality of comparators, and a...
|
|
|
7372390 |
Analog-digital converter circuit
The present invention provides a multi-input A/D converter circuit capable of shorting a conversion time without increasing its layout area and current consumption. When a most significant bit of a...
|
|
|
7365668 |
Continuous-time delta-sigma analog digital converter having operational amplifiers
The invention concerns a continuous-time delta-sigma analog-digital converter for the conversion of an analog input signal into a digital output signal, comprising an analog filter which filters...
|
|
|
7352316 |
Time-interleaved AD converter
In a time-interleaved AD converter which combines together low-speed high-resolution AD converters for effective high speed operation, various deterioration factors possessed by each of the...
|
|
|
7352311 |
Continuous time noise shaping analog-to-digital converter
A system for a continuous time noise shaping analog-to-digital converter (“ADC”) with a suppressed carrier pulse width modulated (“PWM”) quantizer is disclosed. In particular, a suppressed...
|
|
|
7315272 |
Inverter-based flash analog-to-digital converter using floating resistor ladder
An analog-to-digital converter device for converting an analog signal into a digital signal includes a comparator array including a plurality of comparators, each of the comparators including a...
|
|
|
7315271 |
Analog-to-digital converter
The invention relates to an analog-to-digital converter. The analog-to-digital converter, for conversion of a signal for digitization into a digital signal, contains a number of comparators, each...
|
|
|
7298310 |
Continuous-time digital signal generation, transmission, storage and processing
A method of digitally processing an analog signal in continuous time includes producing a continuous-time digital signal from an analog signal via a technique that does not include periodic...
|
|
|
7277041 |
Cross-coupled folding circuit and analog-to-digital converter provided with such a folding circuit
A cross coupled folding circuit comprises a reference voltage circuit to supply m reference voltages, an amplifier circuit to provide control signals, in response to an input signal and to the...
|
|
|
7277039 |
Semiconductor integrated circuit with A/D converter having a ladder-type resistor
A semiconductor integrated circuit including an A/D converter capable of converting an analog signal accepted through an external terminal into a digital signal. The A/D converter includes: a...
|
|
|
7271756 |
Non-linear distribution of voltage steps in flash-type A/D converters
A method, apparatus, and system for converting an input voltage VIN to a digital output. A comparison of VIN with reference voltages in one or more flash-type analog-to-digital (A/D) converters...
|
|
|
7262724 |
System and method for adjusting dynamic range of analog-to-digital converter
Techniques for adjusting the dynamic range of an A/D converter in response to various conditions are disclosed. A value output by the A/D converter is utilized to determine if the A/D converter is...
|
|
|
7233274 |
Capacitive level shifting for analog signal processing
An analog processing block is arranged to receive an input signal through an AC coupling circuit. A digitally programmable voltage reference (DPVR) circuit is arranged to provide selection of a...
|
|
|
7230559 |
Quantizer in a multilevel sigma-delta analogue/digital converter
The quantizer ( 2 ′) has an input network ( 5 ) which generates N different drive signals (V ij ) as a function of the quantizer input signal (V I+ −V I− ). The input network ( 5 ) is...
|
|
|
7212144 |
Flash ADC
A differential analog to digital converter (ADC) comprises first and second resistance ladder legs, first and second amplifiers, and a plurality of comparators. Each resistance ladder leg includes...
|
|
|
7199738 |
Sigma delta beamformer and method with reduced artifact
Dynamic focusing is performed at Nyquist rate F N for the received signal. For each imaging point, a single-bit SDM sample is selected from each active array channel, according to the...
|
|
|
7193552 |
Flash analog-to-digital converter
A differential input flash analog-to-digital converter in which an array of comparators is connected to compare reference signals within a parabolic distribution of such signals generated by the...
|
|
|
7158068 |
Technique for comparing analog signal with reference voltage
The present invention provides a technique for reducing power consumption of an A/D converting device. An A/D converting device according to the present invention includes: multiple comparators...
|
|
|
7135999 |
Circuit arrangement for compensation for nonlinearities from analog/digital converters operating with different timing
A circuit arrangement ( 10 ) for compensating for nonlinearities (NL 1 , NL 2 ) from analog/digital converters ( 15, 16 ) operating with different timing, having at least two analog/digital...
|
|
|
7132972 |
Continuous-time digital signal generation, transmission, storage and processing
A method of digitally processing an analog signal in continuous time includes producing a continuous-time digital signal from an analog signal via a technique that does not include periodic...
|
|
|
7113119 |
Electronic circuit with a sigma delta A/D converter
The A/D convener has a digital output for outputting a digital output signal selected from a set of three or more available values. A feedback loop generates the digital output signal so that a...
|
|
|
7102559 |
Analog-to-digital converter having interleaved coarse sections coupled to a single fine section
An analog-to-digital conversion arrangement for converting an analog input signal into a digital output signal with a most significant part and a least significant part comprises sample means for...
|
|
|
7098837 |
A/D converter
A current mode A/D converter for reducing current consumption while enhancing resolution. The A/D converter includes a V/I conversion circuit for sampling and converting an input voltage to a...
|