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US 5,982,313 AGranted
High speed sigma-delta analog-to-digital converter system
AssigneeAnalog Devices, Inc.
InventorsTodd L. Brooks, David Robertson
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Abstract
An ADC system includes a sigma-delta modulator that receives an analog input and provides a first digital output and an analog output. An ADC, coupled to the sigma-delta modulator, receives the analog output as an input and provides a second digital output. A digital processor, coupled to the sigma-delta modulator and the ADC, receives the first and second digital outputs and provides a digital representation of the analog input.
Claims8
An ADC system comprising:
- a multi-bit sigma-delta modulator that receives an analog input and provides a first digital output and an analog output;
- an ADC, coupled to the sigma-delta modulator, that receives the analog output as an input and provides a second digital output;
- and
- a digital processor, coupled to the sigma-delta modulator and the ADC, that receives the first and second digital outputs and provides a digital representation of the analog input.
1 more element
Dependencies are inferred from the claim text.