|
Match
|
Document |
Document Title |
|
|
7242335 |
System on chip for digital control of electronic power devices
An integrated digital controller for controlling power electronic devices and method of its use, comprises an analog-to-digital converting scanner module for scanning analog data inputs and used to...
|
|
|
7230557 |
Audio codec adapted to dual bit-streams and methods for use therewith
A audio codec includes a first analog to digital converter for producing a first one-bit data stream, a second one-bit data stream is received from a digital microphone. A selection module produces...
|
|
|
7227482 |
Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same
In a first-order complex band-pass filter, multiplexers are alternately switched over between time intervals of phases A and B, where the multiplexers includes two multiplexers provided at input...
|
|
|
7227479 |
Digital background calibration for time-interlaced analog-to-digital converters
The present invention provides for background calibration of a time-interleaved analog-to-digital converter (TIADC). In one embodiment, a background calibrator includes a TIADC having a parallel...
|
|
|
7221298 |
Calibration circuitry
Circuitry includes a multiplexer to output first data and second data in response to a clock signal, the clock signal having rising and falling clock edges, where the multiplexer outputs first data...
|
|
|
7221300 |
Digital-to-analog converter data rate reduction by interleaving and recombination through mixer switching
A system and method implement very high data rate baseband DACs suitable for wireless applications related to new standards (e.g. Ultra-Wide Band) using CMOS processes allowing an integrated...
|
|
|
7212143 |
Circuit for selectively analog signals into digital codes
A circuit for selectively converting at least one analog signal into corresponding digital codes. The circuit includes a management block having a plurality of inputs, each adapted for receiving a...
|
|
|
7209066 |
Circuit and method for extending microcontroller analog input capability
A circuit and method extends the analog input capability of a microcontroller by including an autonomous sequence control circuit that supplies input signal setting data and implements delay...
|
|
|
7209063 |
Semiconductor integrated circuit having switch circuit of digital signal
A switch circuit shifts a bit number of a digital input signal sequentially according to a selection signal and outputs the shifted digital signal as a digital output signal. A switch control...
|
|
|
7205919 |
Digital signal processing apparatus and digital signal processing method
The present invention aims to realize linking of 1-bit signals having respective sampling frequencies that are different from each other and show a relationship of one equal to integer times of the...
|
|
|
7199728 |
Communication system with low power, DC-balanced serial link
A data communication system comprises a transmission line between first and second integrated circuits. An encoder on the first integrated circuit encodes an input data stream to produce a sequence...
|
|
|
7196650 |
Signal converter systems and methods with enhanced signal-to-noise ratios
Signal converter systems are provided with N analog-to-digital converters that respectively respond to N interleaved clock signals which have a common clock frequency and are further provided with...
|
|
|
7188199 |
DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memory
DMA controller for mixed signal device. A mixed signal integrated circuit with memory control is disclosed. A data conversion circuit is provided that is operable to receive an analog input signal...
|
|
|
7183953 |
Calibrating automatic test equipment containing interleaved analog-to-digital converters
Automatic test equipment (ATE) includes interleaved analog-to-digital (A2D) converters to produce digital signals, where the digital signals are used to produce an output signal, the output signal...
|
|
|
7180439 |
Multi-path digital power supply controller
A multi-path digital power supply controller includes a first ADC (ADC1) coupled to the supply's output voltage V out and arranged to provide an output which varies with V out 's low frequency...
|
|
|
7173557 |
Analog/digital converter
An A/D converter for converting an analog input into a binary-encoded word includes a bit-weight memory storing bit weights that include maximum, mimimum, and medium weights. During a conversion...
|
|
|
7170436 |
Current mode analog-to-digital converter using parallel, time-interleaved successive approximation subcircuits
A High-speed Current Mode Analog to Digital Converter is disclosed. The ADC is high-speed, yet is manufacturable at a relatively low cost. The device processes an analog signal through a plurality...
|
|
|
7145491 |
Time-interleaved band-pass delta-sigma modulator
A time-interleaved bandpass delta-sigma modulator is developed which includes a first adder and a second adder and a comparator. An input signal is transmitted to the first adder according to the...
|
|
|
7142140 |
Auto scanning ADC for DPWM
A system for monitoring interrupts to a processor includes a multiplexer having a plurality of inputs connected to receive various analog inputs. The multiplexer further has an output which is...
|
|
|
7142141 |
System and method for scheduling access to an analog-to-digital converter and a microprocessor
An audio system is disclosed and includes a semiconductor device having an analog-to-digital converter (ADC) system and includes a controller and a programmable control register coupled to the...
|
|
|
7138933 |
Time-interleaved signal converter systems with reduced timing skews
Time-interleaved signal converter systems are provided that multiplex respective digital sequences of system converters into an interleaved digital sequence before filtering each respective digital...
|
|
|
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...
|
|
|
7126107 |
Methods and apparatuses for sensing rotational position of a component in a printing device
An encoder and related methods for use in a printing device indexing system are provided. In some embodiments, the system comprises a feedroller or other component configured to index media through...
|
|
|
7126515 |
Selectable real time sample triggering for a plurality of inputs of an analog-to-digital converter
An analog-to-digital conversion apparatus for converting a plurality of analog input signals may include a plurality of analog input, a plurality of sample and hold circuits, one or more...
|
|
|
7126514 |
Inverter control device and inverter control method
An inverter control microcomputer 10 comprises AD converters 21–23 , a selector control circuit 31 , and a selector 32 . The selector 32 selects three analog signals from among inputted...
|
|
|
7126522 |
Apparatus and method of analog-to-digital conversion
An analog-to-digital conversion apparatus includes a register group, a selecting section and an A/D conversion section. The register group has a plurality of registers holding a plurality of...
|
|
|
7113120 |
Charge transfer system and method
A charge transfer system includes a current-based input device for generating an input current signal, a temporary energy storage device, and an amplification device. A switching device couples the...
|
|
|
7112932 |
System-on-chip for high voltage applications
A system-on-a-chip (SOC) in CMOS technology capable to support high voltage applications has been achieved. The single chip system of the present invention comprises high-voltage circuitry, a...
|
|
|
7106233 |
Integrated galvanomagnetic sensor array system
Galvanomagnetic sensor array system and method for providing data interface to a basic sensor array are provided. The sensor system includes an array of galvanomagnetic elements, and a processor...
|
|
|
7102556 |
Method and apparatus for obtaining power computation parameters
A method and apparatus for obtaining power computation parameters is presented. Accurate computation of power requires multiplying voltage and current at the same instant of time and integrating...
|
|
|
7098839 |
Flash array digitizer
Apparatus for rapidly acquiring a large number of samples of a signal under test, stores the samples in a waveform memory without converting the samples to binary form. The signal under test is...
|
|
|
7098826 |
Auto-configuration to connect transmit and receive ports to corresponding ports on the other end irrespective of cable connection mis-match
An aspect of the present invention provides multiple switches in a transceiver, which enable pins provided for transmission and reception to be connected to either a transmit port or a receive...
|
|
|
7098828 |
Complex band-pass ΔΣ AD modulator for use in AD converter circuit
A complex band-pass ΔΣ AD modulator is provided with a subtracter device, a complex band-pass filter, first and second AD converters, and first and second DA converters. The first and second DA...
|
|
|
7068199 |
Digital to analog converter, phase control circuit, transmission unit recognition circuit
A digital to analog converter is implemented by two or more digital to analog converters and is further implemented in such a way that the operation of its analog output voltages is combined and...
|
|
|
7068195 |
Accurate sampling technique for ADC
A time interleaved ADC system includes a delay circuit that has a dynamically adjusted speed to achieve uniformly spaced sampling intervals. The adjustment control circuit monitors the sampling...
|
|
|
7053804 |
Phase-error reduction methods and controllers for time-interleaved analog-to-digital systems
Methods and controllers are provided to estimate and reduce phase errors between converters of time-interleaved analog-to-digital systems by generating corresponding error signals in the form of...
|
|
|
7053806 |
System and method for calibration of autoranging architectures
A method for calibrating a segmented analog to digital signal conversion system is provided. The method includes segmenting a desired relationship between DAC output values and desired ADC input...
|
|
|
7049984 |
Time-interleaved samplers
This invention relates to a method of calibrating a time-interleaved analogue-to-digital sampler ( 10 ) and to a method of performing analogue-to-digital conversion with a sampler ( 10 ) so...
|
|
|
7046180 |
Analog-to-digital converter with range error detection
A circuit includes a multiplexer, an analog-to-digital converter, and a processor that compares a sequence of digital outputs from the analog-to-digital converter to a sequence of normal ranges...
|
|
|
7042376 |
Scanning front end using single-pole, double-throw switches to reduce settling time
A scanning front end of a measurement device using single-pole, double-throw switches (SPDT) to multiplex input signals into signal conditioning circuitry. The scanning front end may also include N...
|
|
|
7038610 |
Integration type A/D converter, and battery charger utilizing such converter
An integration type A/D converter has two sets of integration type A/D converter sections which can be periodically switched over at a predetermined period, with one converter section integrating...
|
|
|
7038602 |
Method for correcting periodic sampling errors
In one representative embodiment, scaling factors and delay values associated with respective analog-to-digital converters (ADCs) of an interleaved ADC are stored in memory. As a digital sample...
|
|
|
7039464 |
Voltage independent measurement apparatus, system, and method
A cardiac rhythm management apparatus may include a monitored energy source, a reference energy source, and a measurement module. The monitored source provides an initial pacing amplitude voltage...
|
|
|
7030791 |
A/D conversion device having input level shift and output correction function
In an A/D conversion device, one level shift circuit shifts an input voltage to the low potential side by Vt 1 , and another level shift circuit shifts the input voltage to the high potential side...
|
|
|
7030796 |
Analog-to-digital converting apparatus for processing a plurality of analog input signals at high rate and display device using the same
An analog-to-digital converting apparatus for rapidly processing a plurality of analog input signals at a high rate and a display device using the same. The apparatus includes a clock signal...
|
|
|
7023368 |
Digital-to-analog signal converting apparatus and method to extend usable spectrum over Nyquist frequency
A digital-circuit return-to-zero device and method for digital-to-analog conversion is disclosed that uses an internal multiplexer alternatively selecting, or selecting in a scheduled fashion,...
|
|
|
7023369 |
Multiplexed-input-separated sigma-delta analog-to-digital converter design for pixel-level analog-to-digital conversion
An image-sensing element has an array of photodiodes or other photodetecting elements and performs sigma-delta analog-to-digital conversion on the outputs of the photodetecting elements. The...
|
|
|
7002498 |
Analog demultiplexing
The analog demultiplexer (FIG. 6 ) includes an input amplifier (A 1 ), and output amplifiers (AMP 1 –AMP N ). The output and inverting (−) input of amplifiers (AMP 1 –AMP N ) are connected...
|
|
|
6985100 |
Integrated circuit comprising a DAC with provision for setting the DAC to a clear condition, and a method for setting a DAC to a clear condition
A multi-channel integrated circuit comprises a plurality of channels (CH 1 to CH 20 ). A DAC ( 3 ) is provided in each channel (CH 1 to CH 20 ) for converting digital data inputted to the circuit...
|
|
|
6977602 |
Wide band digital to analog converters and methods, including converters with selectable impulse response
Wide band CMOS digital to analog converters (DACs), including converters with selectable impulse response, using multiple DAC cores. The DAC cores operate on the same data at the DAC clock rate,...
|