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6946985 |
Device for reconfiguring a faulty storage assembly
The invention CONCERNS a device for reconfiguring an assembly of N basic electronic modules associated with k redundant modules comprising: N multiplexers each having a first terminal (d i )...
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6943714 |
Method and apparatus of 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...
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6943713 |
Process and device for the sequential addressing of the inputs of a multiplexer of a data acquisition circuit
The systematic, and possibly repeated, acquisition of several distinct quantities for exploitation by a user system by utilizing a multiplexer with staged architecture without all inputs...
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6937174 |
Sampling/holding method and circuit
The objective is to provide a sampling/holding circuit that can operate at high speed and low power consumption. The sampling/holding circuit has multiple sampling units 2 - 1 ˜k. Each sampling...
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6930629 |
Analog/digital converting apparatus
Upon detection of any abnormality in digital data of one of the input channels, it is possible to read, with reliability, digital data of all the remaining channels whose conversion is performed...
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6897800 |
Analog demultiplexer
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 by a...
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6892177 |
Method and system for adjusting the dynamic range of a digital-to-analog converter in a wireless communications device
A wireless communication device ( 100 ) may include a receiver ( 110 ), a memory ( 104 ), a digital-to-analog converter ( 128 ), an audio playback system ( 124 ) and other features. A dynamic range...
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6864823 |
Enhanced control of an analog to digital converter
The invention relates to a method, mixed signal integrated circuit, mobile communication device, system and computer program for controlling an analog-to-digital converter. To reduce latency and...
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6836230 |
Device and method for generating digital signals each coding a value of an analog signal
A number P of single analog inputs receive an analog signal having a frequency F from a sensor electrode. A single digital output sequentially generates a number P of first digital signals coding...
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6833802 |
Controllable electrical resistor
The invention is based on the object of specifying a controllable resistor network which exhibits a wide dynamic range and at the same time only a small relative resistance increment size. ...
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6819274 |
Method for tuning a bandpass analog-to-digital converter and associated architecture
Methods and architectures for tuning bandpass analog-to-digital converters (ADCs) are disclosed that can be used, for example, with receiver architectures and associated methods that are also...
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6809674 |
Analog-to-digital converters
Systems and methods are disclosed to provide threshold detection and successive approximation analog-to-digital conversion. For example, in accordance with an embodiment of the present invention, a...
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6804490 |
Selective message broadcasting system
A selective message broadcasting system. The system can include fixed storage configured to store pre-recorded audio messages. A digital audio system can be coupled to the fixed storage, and can...
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6801146 |
Sample and hold circuit including a multiplexer
A sample and hold circuit is provided which includes first and second input circuits adapted to sample, respectively, first and second voltage measurements. The second voltage measurements...
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6801142 |
Method and device for detecting bits in a data signal
A method and device are described for detecting bits in a read signal sampled at a system clock frequency which deviates from the bit frequency. A series of bit-frequency relevant signal values (B...
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6795010 |
Techniques for pausing and resuming analog-to-digital signal conversion
Techniques are described for analog-to-digital signal conversion. According to exemplary embodiments, a first request is associated with a plurality of input terminals and a second request is...
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6795000 |
Programmable converter having an automatic channel sequencing mode
A counter circuit is provided which is particularly suitable for controlling cyclical events. The counter consists of a chain of logic elements 160, 167, 164 which sequentially pass a ‘1’...
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6774831 |
Analog switch circuit
An analog switch and an analog multiplexer are realized by which electron charges which have been stored in a stray capacitance provided on the output side thereof before a switch is conducted do...
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6771711 |
Digital GMSK filter
A digital GMSK filter for use for frequency modulation of a carrier signal in a GMSK transmission system is described. The GMSK filter uses a large number of individual current sources, whose...
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6737999 |
Mismatch-shaping for a quadrature digital-to-analog converter
Mismatch-shaping for a digital-to-analog converter (DAC) involves allocating elements from an element array to multiple DAC channels. Various state variables are used to keep track of element...
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6737850 |
Power supply voltage detection circuit and power supply voltage detection method
A power supply voltage detection circuit, includes a constant voltage generator and an A/D converting unit and an A/D conversion result register. The constant voltage generator generates a first...
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6720902 |
High dynamic range digital converter
The present invention provides a single analog-to-digital converter system which is capable of converting an input signal having a high dynamic range into a digital signal which is within the range...
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6717539 |
Digital-to-analog converter
The digital-to-analog converter includes an output line, and a plurality of converters receiving control signals representative of digital data. Each converter selectively connects the output line...
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6707406 |
Semiconductor device for inverter control and control method
A microcomputer for performing an inverter control includes three AD converters provided therein. The first and second AD converters are used for a motor control, and each receive a motor position...
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6707405 |
Integrated analog multiplexer
An integrated analog multiplexer with several multiplexer inputs, a multiplexer output, a switch device and a differential amplifier with an inverting and a non-inverting amplifier input as well as...
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6701395 |
Analog-to-digital converter that preseeds memory with channel identifier data and makes conversions at fixed rate with direct memory access
An integrated circuit including a DMA controller, an ADC having a plurality of conversion channels and address and data ports for connection to external memory means, the DMA controller being...
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6696996 |
Method and apparatus to eliminate audible clicking transients when switching audio streams
A method and apparatus to switch between two audio streams without creating a clicking transient. A first serial audio stream is brought into a serial shift register. A series of samples of that...
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6690313 |
Digital-to-analog upconverter
The digital signal is provided to the digital-to-analog upconverter ( 40 ) such as through digital signal processing circuitry ( 70 ). A sample rate signal and a divided sample rate signal are...
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6690682 |
Bit multiplexing of packet-based channels
A system for data transmission and communication receives a plurality of Gigabit Ethernet data packets from multiple Gigabit Ethernet links. The system bit multiplexes the data packets, on a bit by...
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6667705 |
Analog to digital converter threshold detection circuit
At least one exemplary embodiment of the present invention includes a device that comprises a microprocessor, a multiplexing analog-to-digital converter integral to said microprocessor, and a...
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6657572 |
Digital noise-shaping filter with real coefficients and method for making the same
A digital noise-shaping filter with real coefficients for delta-sigma data converters used in a digital amplifier, 1-bit digital/analog converter, 1-bit analog/digital converter and the like, and a...
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6657574 |
One line data format for audio analog-to-digital converters
An analog-to-digital converter is provided for converting multiple analog inputs into corresponding digital values. An output interface circuit uses differential signaling to reduce noise and...
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6653963 |
Method and apparatus for the A/D conversion of analog signals and corresponding A/D converter arrangement
An A/D converter arrangement comprises an A/D converter ( 6 ) to which analog signals from a plurality of signal channels ( 2 ) can be fed for A/D conversion. With the help of an appropriate...
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6621437 |
Multiplexed digital-to-analog converters used in communication devices
A system includes a transceiver having mixers, variable gain amplifiers, a modulator, a local oscillator and power amplifiers that may receive control signals generated by a Digital-to-Analog...
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6621434 |
Method for converting a plurality of signals from one of a digital and analogue form to the other form
A method for selectively and sequentially converting digital video data signals in three formats, namely, standard definition, progressive scan and high definition formats to analogue form such...
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6611219 |
Oversampling data recovery apparatus and method
An open-loop data recovery apparatus and method utilizing an oversampling technique is provided, by which the occurrence of data transitions is counted and a proper sampling clock phase is decided....
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6593865 |
Rapid multiplexing analog to digital converter
A multiplexed signal processor is described as having an input circuit for receiving multiple input signals. A modulator processes a selected input signal to produce a representative digital...
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6573849 |
Semiconductor device having a plurality of AD converters for inverter control of a motor and method thereof
A microcomputer for performing an inverter control includes three AD converters provided therein. The first and second AD converters are used for a motor control, and each receive a motor position...
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6570517 |
Digital to analog converting circuit
A multi-channel DAC having a digital input port ( 2 ) for receiving digital input codes and a plurality of analogue output terminals (OUT 1 to OUTN) on channels (CH 1 to CHN) on which...
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6559783 |
Programmable auto-converting analog to digital conversion module
A method and device automatically convert a plurality of analog input channels using a single analog to digital conversion circuit. The device includes a multiplexer, an analog to digital...
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6549151 |
Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms
The method and apparatus of the present invention is directed to architectures for signal processing, such as for performing analog-to-digital and digital-to-analog conversions, in which the source...
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6542100 |
Apparatus and method for filtering a signal which represents a digital data stream
A signal to be produced, which represents a digital data stream, is generated using the currents or voltages from current or voltage sources selected from multiple current or voltage sources. The...
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6531975 |
Apparatus and method for multi-channel digital to analog conversion of signals with different sample rates
An apparatus and method for converting digital input signals sampled at different rates to analog signals includes a digital to analog converter for each digital input signal. Each digital to...
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6522282 |
Estimation of timing offsets in parallel A/D converters
A parallel analog-to-digital converter device has parallel converter cells signal (u) appearing at an input line. The cells are clocked by a common clock signal delayed by delay elements for the...
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6522274 |
Use of pointers to enhance flexibility of serial port interface for an integrated circuit with programmable components
A method and apparatus are used to process a plurality of analog signals on a corresponding plurality of physical channels using a circuit having analog to digital converter (ADC) components, a...
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6518902 |
PC card and WLAN system having high speed, high resolution, digital-to analog converter with off-line sigma delta conversion and storage
A PC card and corresponding WLAN system having an improved DAC operable at higher speed than heretofore achievable which exploits the sigma-delta principle in a different way. More particularly,...
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6515610 |
Analog-to-digital conversion for multiple voltage signals in an integrated circuit
An analog-to-digital conversion circuit converts parallel analog voltage signals into corresponding parallel analog current signals. The analog-to-digital conversion circuit multiplexes the...
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6509857 |
Digital-to-analog converting method and digital-to-analog converter
A digital-to-analog (D/A) converter with a required accuracy can be implemented in a smaller chip area and at a lower cost. The D/A converter comprises a decoder which receives a digital input...
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6507298 |
Method for selecting, prioritizing, and A/D conversion of analog signals, and A/D converter configuration that prioritizes and selects signals
A method for A/D conversion of analog signals using an A/D converter, and to an appropriate A/D converter circuit. In order to process converter request signals from different converter request...
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6486809 |
Analog to digital converter with configurable sequence controller
A digital system is provided with an Analog to Digital converter (ADC) that has a configuration that allows a programmable number of Auto conversions to occur on two separate and independent, but...
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