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US 7,215,270 B1Granted
Sigma-delta modulator having selectable OSR with optimal resonator coefficient
AssigneeIntrinsix Corporation
InventorsMucahit Kozak, Eugene Michael Petilli
Life of this patent
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Abstract
A programmable Sigma-Delta Modulator (SDM) includes a first input to select an oversampling rate (OSR), which has a corresponding resonator coefficient value to provide an optimal notch in the Noise Transfer Function (NTF).
Claims24
A programmable sigma-delta modulator (SDM) circuit, comprising:
- a first input to select a first one of a plurality of oversampling ratio (OSR) values;
- a clock input to receive a clock signal;
- and
- a module to provide a plurality of resonator coefficient values, each of the plurality of resonator coefficient values corresponding to one of the OSR values.
1 more element
A method of providing a programmable sigma-delta modulator (SDM) circuit, comprising:
- providing a first input to select a first one of plurality of oversampling ratio (OSR) values;
- providing a clock input to receive a clock signal;
- and
- providing a module to provide a plurality of resonator coefficient values, each of the plurality of coefficient values corresponding to one of the OSR values.
1 more element
An article, comprising:
- a storage medium having stored thereon instructions that when executed by a machine result in the following:
- providing a first input to select a first one of plurality of oversampling ratio (OSR) values;
- providing a clock input to receive a clock signal;
- and
- providing a module to provide a plurality of resonator coefficient values, each of the plurality of coefficient values corresponding to one of the OSR values.
2 more elements
Dependencies are inferred from the claim text.