研究目的
Investigating the design and optimization of a third-order 1-bit sigma-delta modulator for high-resolution biomedical imaging systems.
研究成果
The work successfully designed and optimized a third-order 1-bit sigma-delta modulator, achieving a SNR of 80.6 dB, SFDR of 89.7 dB, SNDR of 79.9 dB (12.98 ENOB), demonstrating the effectiveness of the Verilog-AMS model.
研究不足
The paper does not explicitly mention limitations, but the focus on simulation-based analysis may imply limitations in practical implementation and testing.
1：Experimental Design and Method Selection:
The design involves building a Verilog-AMS model for a sigma-delta modulator, focusing on topology, stage order, oversampling rate, and system parameters.
2：Sample Selection and Data Sources:
The work does not specify sample selection but focuses on theoretical and simulation-based analysis.
3：List of Experimental Equipment and Materials:
The paper mentions the use of Matlab, Mathematic, and Cadence for simulation and optimization.
4：Experimental Procedures and Operational Workflow:
The design process includes confirming modulator specifications, choosing system structure, determining system parameters, and verifying through simulation.
5：Data Analysis Methods:
The analysis involves comparing simulation results between Matlab-Simulink and Cadence to verify the Verilog-AMS model's effectiveness.
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