SIGMA-DELTA MODULATOR AND METHOD FOR OPERATING A SIGMA-DELTA MODULATOR
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United States of America
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Oct 31, 2024
app pub date -
Apr 22, 2024
filing date -
Apr 22, 2024
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Abstract
A sigma-delta modulator. The signal-delta modulator includes: an integrator having an instrumentation amplifier designed to receive an input signal to be modulated at a first input and to receive a feedback signal at a second input, wherein the integrator is designed to generate an integrator signal using the input signal and the feedback signal; a quantizer, which is designed to generate a quantizer signal in accordance with the integrator signal; a first FIR digital-to-analog converter, which is designed to generate the feedback signal in accordance with the quantizer signal; a first compensation device, which is designed to compensate for an excess loop delay in accordance with the quantizer signal; and a second compensation device, which comprises a second FIR digital-to-analog converter, which is designed to compensate for a clock cycle shift of the feedback signal in accordance with the quantizer signal.
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