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9083372 Dynamically adjusted A/D resolution  
A process variable transmitter is used to measure a process variable, and, in doing so, dynamically changes the resolution of the A/D converter based upon the measured value of the analog input...
9041571 Flexible ADC calibration technique using ADC capture memory  
Systems and methods are provided for calibrating an analog to digital converter (ADC) using one or more feedback mechanisms. In an embodiment, a capture memory module captures a portion of ADC...
9042462 Differential signal transmission  
Transport of differential signals is provided. In one aspect, a telecommunications system includes a first unit and a second unit. The first unit can calculate a differential signal from an...
9041579 Analog-to-digital conversion in pixel arrays  
An analog-to-digital converter for generating an output digital value equivalent to the difference between a first analog signal level (Vres) and a second analog signal level (Vsig) comprises at...
9041582 Organism state quantity measuring apparatus  
An apparatus including a detecting unit that detects information indicating a state of an organism from the organism or an organism specimen extracted from the organism and outputs the detected...
9041570 Analog-to-digital converter and analog-to-digital conversion method  
An analog-to-digital converter according to the present invention includes first and second analog-to-digital conversion cells (11, 12), control means (10) for, when a mode specifying signal MD...
9041575 Analog-to-digital conversion apparatus and method capable of achieving fast settling  
A method utilized in an analog-to-digital conversion apparatus, for converting an analog input signal into a digital output signal including a first portion and a second portion, includes: using a...
9035680 Comparator and analog-to-digital converter  
Embodiments of the present invention provide a comparator and an analog-to-digital converter. A sampling module, a pre-amplifying module, and a coupling module in the comparator obtain a third...
9035814 Feedforward delta-sigma modulator  
A feedforward delta-sigma modulator includes a successive approximation analog-to-digital converter, a digital-to-analog converter, N integrators, a first adder, a second adder, and an...
9035811 Analog digital data conversion method, analog digital data converter, and analog digital conversion chip  
The present invention is applicable to the field of communication, and provides an analog digital data conversion method, an analog digital data convertor and an analog digital conversion chip....
9035812 Method and apparatus for generating a band pass signal  
A modulator and a method are disclosed. The modulator is for generating a band pass signal and comprises: sigma delta modulation logic operable to receive an input signal and to perform at least a...
9036211 Light emitting apparatus, manufacturing method for the light emitting apparatus, printer, and manufacturing method for the printer  
A light emitting apparatus including: a plurality of light emitting elements; a drive circuit including a transistor and a capacitor having one end connected to a gate of the transistor; and a...
9035815 High-speed and high-resolution signal analysis system  
An apparatus relating generally to signal analysis is disclosed. In such an apparatus, a first comparator is coupled to receive a signal input and a first input level. A second comparator is...
9030342 Digital tuning engine for highly programmable delta-sigma analog-to-digital converters  
An integrated circuit includes a component calculator configured to compute at least one component value of a highly programmable analog-to-digital converter (ADC) from at least one application...
9030340 N-path interleaving analog-to-digital converter (ADC) with background calibration  
A system and method are provided of performing background corrections for an interleaving analog-to-digital converter (ADC). An analog input signal s1(t) is accepted having a first frequency f1...
9030346 Method and apparatus for self-test of successive approximation register (SAR) A/D converter  
A single-ended SAR ADC includes an additional capacitor, a self-test engine, and independent control of sample and hold conditions, which allows for quick and accurate testing of the ADC.
9030345 Ring oscillator circuit, A/D conversion circuit, and solid state imaging apparatus  
A ring oscillator circuit causing a pulse signal to circulate around a circle to which an even number of inverting circuits are connected in a ring, wherein one of the inverting circuits is a...
9030341 Compensation for lane imbalance in a multi-lane analog-to-digital converter (ADC)  
Various multi-lane ADCs are disclosed that substantially compensate for impairments present within various signals that result from various impairments, such as phase offset, amplitude offset,...
9030344 System and method for integration of hybrid pipeline  
A system includes a pipeline analog-to-digital converter as a first stage to process an input signal, and a successive approximation register (SAR) analog-to-digital converter as a second stage to...
9024797 Integrating A/D converter  
In an integrating A/D converter, first and second reference voltage inputs (18, 20) alternatingly connect through a reference voltage switch (16, 16′) via a first reference resistor (Rref) to an...
9024795 Continuous-time delta sigma modulator  
A continuous-time delta sigma modulator, having an integrator and a comparator clocked with a clock frequency that are connected in a feedback loop, having a voltage source that is connected to...
9026065 Methods and apparatus for resource sharing for voice and data interlacing  
Methods and apparatus for voice and data interlacing in a system having a shared antenna. In one embodiment, a voice and data communication system has a shared antenna for transmitting and...
9024798 Method of successive approximation A/D conversion  
According to a method of Successive Approximation Register (SAR) analog to digital conversion, N+1 SAR cycles are performed to obtain an output digital code having N bits. An analog signal is...
RE45493 Analog to digital conversion for a CMOS imager  
An image sensor system using offset analog to digital converters. The analog to digital converters require a plurality of clock cycles to carry out the actual conversion. These conversions are...
9019139 Analog to digital converter with built-in data compression based on shot noise of image sensor  
An A/D converter system that has a ranging detector that receives and characterizes an input signal. The characterizing sets a coarse range selection based on a level of the input signal. A higher...
9019137 Multiplying digital-to-analog converter  
A charge canceling multiplying digital-to-analog converter (MDAC) is provided with a reference block having inputs to accept reference voltages each sample clock cycle. The MDAC includes a...
9019142 Solid-state imaging device, imaging system, and method for driving solid-state imaging device  
In a solid-state imaging device which includes column analog-to-digital conversion circuits (ADCs) for converting pixel signals output from pixels into digital signals, each of the column ADCs...
9019141 Imaging apparatus and method of driving the same  
An imaging apparatus and a method of driving the same that can generate a digital data of a high resolution pixel signal are provided. The imaging apparatus includes: a pixel (10-1) for generating...
9019409 Image sensing device and method for operating the same  
An image sensing device includes, inter alia, a ramp signal generation unit generating a ramp signal that decreases during first and second periods for finding data values corresponding to a pixel...
9013344 High speed dynamic comparator  
A comparator circuit (FIG. 4) is disclosed. The circuit includes an amplifier circuit (300,302) arranged to produce an output signal (Vom,Vop). A first current source (312) is arranged to produce...
9013338 Method, system and apparatus for dual mode operation of a converter  
Methods, systems and apparatuses for operating a converter or other circuits are disclosed. More particularly, in one embodiment a converter or other circuit can be operated in two modes which may...
9013343 Controllers and methods for accepting multiple different types of input signals  
According to various aspects, exemplary embodiments are disclosed of controllers and methods for accepting multiple different types of input signals. One example controller includes an input...
9013442 SAR ADC with dynamic input scaling and offset adjustment  
An apparatus for generating an image of touch on or about a touch-sensitive surface comprising a touch panel is disclosed. The touch panel can include a plurality of touch sensors configured for...
9013341 Noise shaping for digital pulse-width modulators  
A circuit including an analog-to-digital converter (ADC). The ADC is configured to receive an analog feedback signal and an analog input signal and generate a digital output. The circuit further...
9013339 Track and hold architecture with tunable bandwidth  
To date, bandwidth mismatch within time-interleaved (TI) analog-to-digital converters (ADCs) has been largely ignored because compensation for bandwidth mismatch is performed by digital...
9013340 Protection circuit for analog-to-digital converter, digital power supply, digital signal processing method, processing module, and circuit protection method  
A protection circuit includes: a first gain module, configured to receive a first input signal, scale the first input signal according to a first scaling factor, to obtain a first analog signal,...
9007242 Self-calibrated delta-sigma modulator and method thereof  
A delta-sigma modulator and corresponding method are disclosed. In one implementation, the delta-sigma modulator includes a multiplexer for receiving an analog input signal and a common mode...
9007244 Sampling rate based adaptive analog biasing  
A mixed signal device includes an analog circuit and a digital circuit coupled to the analog circuit. The digital circuit includes a component that samples a signal at a sampling rate that is...
9007247 Multi-bit sigma-delta modulator with reduced number of bits in feedback path  
A sigma-delta modulator for an ADC, passes an input signal to a loop filter, then to a multi-bit quantizer of the modulator. An output of the quantizer is passed to a digital filter, and a...
9007253 Successive-approximation-register analog-to-digital converter and method thereof  
A main ADC (analog-to-digital converter) for converting an analog input signal into a digital data, and an auxiliary ADC for converting the same analog input signal into an auxiliary digital data,...
9007248 MASH sigma-delta modulator and DA converter circuit  
A MASH sigma-delta modulator includes: parallel integration units in M stages configured to receive N pieces of data from a previous stage, to perform integral calculation in parallel; parallel...
9007249 Amplifier, fully-differential amplifier and delta-sigma modulator  
An amplifier includes a front-end gain stage and an AC-coupled push-pull output stage. The AC-coupled push-pull output stage includes a first transistor, having a source, a drain and a gate,...
9007251 Apparatus and method for converting an analog time domain signal into a digital frequency domain signal, and apparatus and method for converting an analog time domain signal into a digital time domain signal  
An apparatus for converting an analog signal into a digital signal includes: two identical analog-to-digital-converters converting the analog signal into first and second digital time domain...
9007097 Key press detecting circuit and method for detecting the status of multiple keys through a single pin  
A key press detecting circuit and method detect the status of multiple keys through a single pin. In an embodiment, a constant current is provided to apply to a key module through a single pin, to...
9000966 Integrated circuit, analog-digital converter and CMOS image sensor with the same  
A integrated circuit includes an analog power domain circuit having more than one stages, a digital power domain circuit having at least one stage receiving the output signal of the analog power...
9000969 Variable resolution data conversion in a receiver  
A received plurality of signals may be filtered to select an in-band signal and/or an out-of-band. A signal strength of the selected signal(s) may be measured. A resolution of an analog-to-digital...
9000960 High-order and nested redundancies in time-interleaved ADCs  
Examples are provided for time-interleaved analog-to-digital conversion with redundancy. The redundancy may include high-order and nested redundancies. An apparatus may include multiple...
9000967 Apparatuses and methods for linear to discrete quantization conversion with reduced sampling variation errors  
Provided is an apparatus for converting a continuous-time, continuously variable signal into a sampled and quantized signal, which includes an input line for accepting an input signal, multiple...
9000964 Circuit and method for signal conversion  
The invention concerns a circuit comprising: a first transistor (202) having a first main current node coupled to a first voltage signal (CNVDD), a control node coupled to a second voltage signal...
9000968 Analog-to-digital converter with clock halting circuit  
An analog to digital converter (ADC) includes a clock-halting circuit that is enabled by an externally generated trigger signal. The clock-halting circuit halts an input clock signal to the ADC...