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sigma-delta converter |
Also found in: Wikipedia | 0.06 sec. |
sigma-delta converterA circuit that generates a 1-bit pulse density modulated (PDM) signal from analog input. It creates fixed-width pulses in relation to the amplitude of the analog waveform. As the wave amplitude rises, 1's are produced. As it falls, 0's result. If it remains neutral, alternating 01's are created. See PDM and SACD. sigma-delta converter [‚sig·mə ‚del·tə kən′vərd·ər] (electronics) A class of electronic systems containing both analog and digital subsystems whose most common application is the conversion of analog signals to digital form, and vice versa, using pulse density modulation to create a high-rate stream of single-amplitude pulses in either case. Also known as delta-sigma converter. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Analog Devices: AD7745 capacitance to digital converter, a high-resolution sigma-delta converter that accepts direct capacitance inputs. As the cost of high-resolution sigma-delta converters continues to drop, the technology is becoming more accessible, and chip manufacturers are called upon to provide more options for designers of high-resolution measurement systems in which performance, space and power consumption are critical," said Mike Britchfield, product line director for sigma-delta converters, Analog Devices. The WM8728 retains the low noise, multi-bit sigma-delta converter architectures that has been so successful for us, while adding completely new function sets which provide the user with many benefits. |
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