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US20160308552 |
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... |
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US20160173115 |
PASSIVE AMPLIFICATION CIRCUIT AND ANALOG-DIGITAL CONVERTOR
A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice... |
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US20120326902 |
BACKGROUND CALIBRATION OF OFFSETS IN INTERLEAVED ANALOG TO DIGITAL CONVERTERS
A multi-channel time interleaved ADC (TIADC) provides for offset estimation and correction. The correction is accomplished through analog adjustment of offset rather than by digital correction of... |
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US20170117914 |
METHOD AND APPARATUS FOR PROVIDING DIGITAL BACKGROUND CALIBRATION FOR MISMATCHES IN M-CHANNEL TIME-INTERLEVED ADCS (TI-ADCS)
The present invention relates to a method and apparatus for providing digital background calibration for mismatches in M-channel time-interleaved ADCs(TI-ADCs), more specifically providing a pure... |
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US20130106632 |
CALIBRATION OF INTERLEAVED ADC
The disclosure is directed to an interleaved analog-to-digital converter having: first, second and third sub-converters; a control block configured to control the first sub-converter to sample a... |
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US20100103006 |
ADC TEST CIRCUIT AND SEMICONDUCTOR DEVICE
An ADC test circuit has an expected value generator configured to generate an expected value signal for a converted output signal of an ADC (Analog to Digital Converter), a test signal generator... |
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US20110032128 |
ANALOG-DIGITAL CONVERTER CIRCUIT AND CALIBRATION METHOD
Provided is an analog-digital converter circuit having a normal mode for converting a received analog signal into a digital signal, and a calibration mode for adjusting an offset voltage of a... |
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US20100164765 |
DAC calibration circuits and methods
Provided is a DAC with tuning circuitry in accordance with some embodiments for tuning current sources in the DAC. The DAC may be used for a sigma-delta converter in some embodiments. |
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US20160094238 |
APPARATUS FOR TESTING ANALOG-TO-DIGITAL CONVERTER AND TESTING METHOD THEREOF
There is provided an apparatus for testing an analog-to-digital converter including: an analog-to-digital converter converting an analog type signal into a digital type signal; a signal generator... |
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US20100073207 |
Delta-Sigma Analog-to-Digital Converters and Methods to Calibrate Delta-Sigma Analog-to-Digital Converters
Delta-sigma analog-to-digital converters (ADCs) and methods to calibrate methods to delta-sigma ADCs are disclosed. In one particular example, a delta-sigma ADC is described, including an n-bit... |
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US20060022854 |
Method and apparatus for operating correlator of an ADC circuit
An analog-to-digital converter (ADC) circuit that converts an analog input signal into a digital output circuit includes a reduced block length correlator circuit and a digital subtractor circuit,... |
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US20120274493 |
Digital-to-Analog Converter circuit with Rapid Built-in Self-test and Test Method
A digital-to-analog converter circuit with rapid built-in self-test is disclosed. The digital-to-analog converter includes a control unit for generating a selection control signal and a digital... |
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US20150326238 |
SEMICONDUCTOR DEVICE
A microcomputer includes a bus, a CPU (Central Processing Unit) coupled to the bus, a RAM (Random-access Memory) coupled to the bus, and an AD (Analog-to-Digital) converter coupled to the bus. The... |
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US20150200681 |
Segmented Digital-To-Analog Converter With Overlapping Segments
In one embodiment, a segmented digital-to-analog converter (DAC) has two configurations (i.e., sub-DACs) with overlapping operating ranges and a data mapper that maps the digital input signal into... |
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US20100073206 |
ANALOG-TO-DIGITAL CONVERSION CIRCUITS AND METHOD FOR CALIBRATING THEREOF
An analog-to-digital conversion circuit is provided and includes an input unit, at least one analog-to-digital converter, and a processing unit. The input unit receives an analog input signal and... |
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US20060214820 |
Decoder circuit
A decoder circuit, for example a dual-rail decoder, receives input signals (43) from the end of a communications bus (not shown). The parity is calculated over the data wires (Do, D1, D2, D3)... |
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US20130293402 |
TEST OF AN EMBEDDED ANALOG-TO-DIGITAL CONVERTER
A method for testing an analog-to-digital converter (ADC) includes applying ramps to the input of the converter, and classifying the digital codes produced by the converter according to a... |
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US20060132340 |
Apparatus and method for time-to-digital conversion and jitter-measuring apparatus using the same
A time-to-digital conversion apparatus reduces the pulse width of a signal to be tested by introducing the signal through a plurality of shrinking cells cascaded until the reduced pulse width... |
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US20050068210 |
Apparatus and method for measuring data converter
The present apparatus for measuring data converter comprises a digital-to-analog converter, a multiplexer, a histogram analyzer and a software engine. The digital-to-analog converter is intended... |
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US20070126614 |
Digital signal analyzing
The present invention relates to a method and a corresponding system for analyzing a digital signal, in particular a method for determining bit error rates of a digital signal, said method... |
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US20100328121 |
CIRCUIT TESTING
A method for testing a circuit that generates an n-bit pulse density modulated output in response to an input signal or combination of input signals, for example the analogue section (12) of an... |
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US20150311910 |
CURRENT COMPARATOR OFFSET CALIBRATION IN DIGITAL-TO-ANALOG CONVERTER CALIBRATIONS
In an aspect of the disclosure, a method and an apparatus are provided for calibrating a current comparator circuit associated with a DAC element. The apparatus receives an output of a current... |
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US20130050001 |
CALIBRATION SCHEME FOR ANALOG-TO-DIGITAL CONVERTER
An analog-to-digital converter (ADC) apparatus comprising an input signal connector, an output signal port, two or more sub-ADCs, a digital signal processing (DSP) block, wherein the result from... |