Performances of front-end electronics based on sigma-delta modulation — A simulation study

@article{Zhao2015PerformancesOF,
  title={Performances of front-end electronics based on sigma-delta modulation — A simulation study},
  author={Z. Zhao and Qi-wei Huang and Qiyu Peng and Jianfeng Xu},
  journal={2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)},
  year={2015},
  pages={1-2}
}
We present a novel front-end electronic design using sigma-delta (Σ-Δ) modulation. The new design needs only one analog amplifier, one differential digital input port and one digital output port from a FPGA. Both the energy and timing calculation are implemented in FPGA firmware. A Simulink model is established to simulate and evaluate the circuit design and the sample data processing. The energy is calculated directly by summing the sequences of 0 and 1 generated by the 1-bit Σ-Δ ADC module… CONTINUE READING

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