Delta sigma analog-to-digital converter
A delta sigma converter according to the present invention replaces the quantizer of a conventional delta sigma converter, such as a comparator followed by a latch, with N quantizers, each operating at a reduced frequency fs/N and phase offset from each other by 2 pi /N. The quantized outputs are as...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A delta sigma converter according to the present invention replaces the quantizer of a conventional delta sigma converter, such as a comparator followed by a latch, with N quantizers, each operating at a reduced frequency fs/N and phase offset from each other by 2 pi /N. The quantized outputs are assembled in accordance with a control signal to produce a feedback signal at a frequency fs and the feedback signal is applied to a subtractor of the delta sigma converter. |
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